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SP9504
Quad, 12-Bit, Voltage Output D/A Converter
s s s s s s s s s s s Low Cost Four 12-Bit DAC's on a Single Chip Low Power -- 80 mW (20mW/DAC) Double-Buffered Inputs 5V Supply Operation Voltage Outputs, 4.5V Range Midscale Preset, Zero Volts Out Guaranteed +0.5 LSB Max INL Guaranteed +0.75 LSB Max DNL 2MHz 4-Quadrant Multiplying Bandwidth 28-pin SOIC and Plastic DIP Packages s Either 12 or 8 bit P bus
DESCRIPTION The SP9504 is a low power replacement for the popular SP9345, Quad 12-Bit Digital-to-Analog Converter. It features +4.5V output swings when using 5 volt supplies. The converter is doublebuffered for easy microprocessor interface. Each 12-bit DAC is independently addressable and all DACS may be simultaneously updated using a single transfer command. The output settlingtime is specified at 4s. The SP9504 is available in 28-pin SOIC and plastic DIP packages, specified over commercial temperature range.
Ref In
INPUT REGISTERS DATA INPUTS 8 MSB's 4 LSB's LATCH LATCH
DAC REGISTERS - LATCH DAC + VOUT1
- LATCH DAC + VOUT2
- LATCH LATCH DAC + VOUT3
- LATCH LATCH DAC + VOUT4
CONTROL LOGIC
A0
A1
CS
WR1 B1/B2 WR2 XFER CLR
SP9504DS/03
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
1
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at these or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. VDD - GND .................................................................... -0.3V, +6.0V VSS - GND .................................................................... +0.3V, -6.0V VDD - VSS ...................................................................................................................... -0.3V, +12.0V VREF ..................................................................................... VSS, VDD DIN ....................................................................................... VSS, VDD Power Dissipation Plastic DIP .......................................................................... 375mW (derate 7mW/C above +70C) Small Outline ...................................................................... 375mW (derate 7mW/C above +70C)
SPECIFICATIONS
(Typical at 25C;TMIN TATM AX; VDD = +5V, VSS = -5V, VREF = +3V; CMOS logic level digital inputs; specifications apply to all grades unless otherwise noted.)
PARAMETER DIGITAL INPUTS Logic Levels VIH VIL 4 Quad, Bipolar Coding REFERENCE INPUT Voltage Range Input Resistance ANALOG OUTPUT Gain -K -J -K, -J Initial Offset Bipolar Voltage Range Bipolar Output Current STATIC PERFORMANCE Resolution Integral Linearity -K -J -K, -J Differential Linearity -K -J Monotonicity DYNAMIC PERFORMANCE Multiplying Bandwidth Settling Time Small Signal Full Scale Slew Rate
MIN.
TYP.
MAX.
UNITS
CONDITIONS
2.4 0.8 Offset Binary +3 2.2 +4.5
Volts Volts
1.5
Volts k
Note 5 DIN = 1,877; code dependent
+0.5 +1.0 +1.0 +0.25 +3.0 +5.0 +0.5 12 +0.25 +0.5 +0.5
+2.0 +4.0 +5.0 +3.0 +4.5
LSB LSB LSB LSB Volts mA mA Bits
VREF = +3V; Note 3 VREF = +3V; Note 3 VREF = +4.5V; Note 3 DIN = 2,048 VREF = +3V VREF = +4.5V
+0.5 +1.0 +3.0
LSB LSB LSB LSB LSB
VREF = +3V; Note 3 VREF = +3V; Note 3 VREF = +4.5V; Note 3
+0.25 +0.75 +0.25 +1.0 Guaranteed 2 0.5 4 4
MHz s s V/s to 0.012% to 0.012%
SP9504DS/03
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
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SPECIFICATIONS (CONTINUED)
(Typical at 25C; TMIN TATMAX; VDD = +5V, VSS = -5V, VREF = +3V; CMOS logic level digital inputs; specifications apply to all grades unless otherwise noted.)
PARAMETER MIN. TYP. MAX. SWITCHING CHARACTERISTICS tDS Data Set Up Time 140 100 tDN Data Hold Time 0 tWR Write Pulse Width 140 100 tXFER Transfer Pulse Width 140 100 tWC Total Write Command 280 200 STABILITY Gain 15 Bipolar Zero 15 POWER REQUIREMENTS VDD -J, -K 8 11 VSS -J, -K 8 11 Power Dissipation 80 ENVIRONMENTAL AND MECHANICAL Operating Temperature -J, -K 0 +70 Storage -60 +150 Package -_P 28-pin Plastic DIP -_S 28-pin SOIC Notes: 1. 2. 3. 4. 5.
UNITS ns ns ns ns ns ppm/C ppm/C
CONDITIONS to rising edge of WR1 Figure 4
t to t tMIN to tMAX Note 5 +5V, +3%; Note 4, 5
MIN MAX
mA -5V, +3%; Note 4, 5 mA mW
C C
Integral Linearity, for the SP9504, is measured as the arithmetic mean value of the magnitudes of the greatest positive deviation and the greatest negative deviation from the theoretical value for any given input condition. Differential Linearity is the deviation of an output step from the theoretical value of 1 LSB for any two adjacent digital input codes. 1 LSB = 2*VREF/4,096. VREF = 0V. The following power up sequence is recommended to avoid latch up: VSS (-5V), Vdd (+5V), REF IN.
+0.25 lsb DNLE -0.25 lsb +0.25 lsb INLE -0.25 lsb 0 DNLE, INLE plots
SP9504DS/03
CODE Vref = 3V
4095
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
3
PIN ASSIGNMENTS Pin 1 -- VOUT 4 -- Voltage Output from DAC4. Pin 2 -- VSS -- -5V Power Supply Input. Pin 3 -- VDD -- +5V Power Supply Input. Pin 4 -- CLR -- Clear. Gated with WR2 (pin 11). Active low. Clears all DAC outputs to 0V. Pin 5 -- REF IN -- Reference Input for DACs. Pin 6 -- GND -- Ground. Pin 7 -- B1/B2 -- Byte 1/Byte 2 -- Selects Data Input Format. A logic "1" on pin 7 selects the 12-bit mode, and all 12 data bits are presented to the DAC(s) unchanged; a logic "0" selects the 8-bit mode, and the four LSBs are connected to the four MSBs, allowing an 8-bit MSB-justified interface. Pins 8 and 9 -- A0 & A1 -- Address for DAC Selection. A1/A0 = 0/0 = DAC1; 0/1 = DAC2; 1/ 0 = DAC3; 1/1 = DAC4. Pin 10 -- XFER -- Transfer. Gated with WR2 (pin 11); loads all DAC registers simultaneously. Active low. Pin 11 -- WR2 -- Write Input 2 -- In conjunction with XFER (pin 10), controls the transfer of data from the input registers to the DAC registers. In conjunction with CLR (pin 4), the DAC registers are forced to 1000 0000 0000 and the DAC outputs will settle to 0V. Active low. Pin 12 -- WR1 -- Write Input1 -- In conjunction with CS (pin 13), enables input register selection, and controls the transfer of data from the input bus to the input registers. Active low. Pin 13 -- CS -- Chip Select -- Enables writing data to input registers and/or transferring data from input bus to DAC registers. Active low.
PINOUT -- 28-PIN PLASTIC DIP & SOIC
VOUT4 VSS VDD CLR REF IN GND B1/B2 A0 A1 XFER WR2 WR1 CS VOUT1
1 2 3 4 5 6 7 8 9 10 11 12 13 14
SP9504
28 27 26 25 24 23 22 21 20 19 18 17 16 15
VOUT3 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 VOUT2
Pin 14 -- VOUT1 -- Voltage Output from DAC1. Pin 15 -- VOUT2 -- Voltage Output from DAC2. Pin 16 -- DB11 -- Data Bit 11; Most Significant Bit. Pin 17 -- DB10 -- Data Bit 10. Pin 18 -- DB9 -- Data Bit 9. Pin 19 -- DB8 -- Data Bit 8. Pin 20 -- DB7 -- Data Bit 7. Pin 21 -- DB6 -- Data Bit 6. Pin 22 -- DB5 -- Data Bit 5. Pin 23 -- DB4 -- Data Bit 4. Pin 24 -- DB3 -- Data Bit 3. Pin 25 -- DB2 -- Data Bit 2. Pin 26 -- DB1 -- Data Bit 1. Pin 27 -- DB0 -- Data Bit 0; LSB Pin 28 -- VOUT3 -- Voltage Output from DAC3.
SP9504DS/03
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
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FEATURES The SP9504 is a low-power replacement for the popular SP9345, Quad 12-Bit Digital-to-Analog Converter. This Quad, Voltage Output, 12-Bit Digital-to-Analog Converter features 4.5V output swings when using 5 volt supplies. The input coding format used is standard offset binary, Table 1. The converter utilizes double-buffering on each of the 12 parallel digital inputs, for easy microprocessor interface. Each 12-bit DAC is independently addressable and all DACS may be simultaneously updated using a single XFER command. The output settlingtime is specified at 4s to full 12-bit accuracy when driving a 5Kohm, 50pF load combination. The SP9504, Quad 12-Bit Digital-to-Analog Converter is ideally suited for applications such as ATE, process controllers,robotics,andinstrumentation. TheSP9504 is available in 28-pin plastic DIP or SOIC packages, specified over the commercial (0C to +70C) temperature range. THEORY OF OPERATION The SP9504 consists of five main functional blocks -- input data multiplexer, data registers, control logic, four 12-bit D/A converters, and four bipolar output voltage amplifiers. The input data multiplexer is designed to interface to either 12- or 8-bit microprocessor data busses. The input data format is controlled by the B1/B2 signal -- a logic "1" selects the 12-bit mode, while a logic "0" selects the 8-bit mode. In the 12-bit mode the data is transferred to the input registers without changes in its format. In the 8-bit mode, the four least significant bits (LSBs) are connected to the
INPUT MSB 1111 1111 1000 1000 0000 0000 1111 1111 0000 0000 0000 0000 LSB 1111 1110 0001 0000 0001 0000 1 LSB = Table 1. Offset Binary Coding VREF - 1 LSB VREF - 2 LSB 0 + 1 LSB 0 -VREF + 1 LSB -VREF 2VREF 2
12
four most significant bits (MSBs), allowing an 8-bit MSB-justified interface. All data inputs are enabled using the CS signal in both modes. The digital inputs are designed to be both TTL and 5V CMOS compatible. In order to reduce the DAC full scale output sensitivity to the large weighting of the MSB's found in conventional R-2R resistor ladders, the 3 MSB's are decoded into 8 equally weighted levels. This reduces the contribution of each bit by a factor of 4, thus, reducing the output sensitivity to mismatches in resistors and switches by the same amount. Linearity errors and stability are both improved for the same reasons. Each D/A converter is separated from the data bus by two registers,eachconsistingoflevel-triggeredlatches, Figure 1. The first register (input register) is 12-bits wide. The input register is selected by the address input A0 and A1, and is enabled by the CS and WR1 signals. In the 8-bit mode, the enable signal to the 8 MSB's is disabled by a logic low on B1/B2 to allow the 4 LSB's to be updated. The second register (DAC register), accepts the decoded 3 MSB's plus the 9 LSB's. The four DAC registers are updated simultaneously for all DAC's using the XFER and WR2 signals. Using the CLR and WR2 signals or the power-on-reset, (enabled when the power is switched on) the DAC registers are set to 1000 0000 0000 and the DAC outputs will settle to 0V. Using the control logic inputs, the user has full control of address decoding, chip enable, data transfer and clearing of the DAC's. The control logic inputs are level triggered, and like the data inputs, are TTL and CMOS compatible. The truth table (Table 2) shows the appropriate functions associated with the states of the control logic inputs. The DACs themselves are implemented with a precision thin-film resistor network and CMOS transmission gate switches. Each D/A converter is used to convert the 12-bit input from its DAC register to a precision voltage. The bipolar voltage output of the SP9504 is created on-chip from the DAC Voltage Output (VDAC) by using an operational amplifier and two feedback resistors connected as shown in Figure 2. This configuration produces a +4.5V bipolar output range with standard offset binary coding.
OUTPUT
SP9504DS/03
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
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INPUT REGISTER DB11 - DB8 4 DB7 - DB4 4 4 4 8-BIT LATCH
DAC REGISTER
Ref In 40 K 40 K
8 3 TO 7 DECODE & 5 BITS LATCH 4 - 12 DAC + VOUT
4 DB3 - DB0 4 MUX 4 4-BIT LATCH
Figure 1. Detailed Block Diagram (only one DAC shown)
USING THE SP9504 WITH DOUBLE-BUFFERED INPUTS Loading Data To load a 12-bit word to the input register of each DAC, using a 12-bit data bus, the sequence is as follows: 1) Set XFER=1, B1/B2=1, CLR=1, WR1=1, WR2=1, CS=1. 2) Set A1 and A0 (the DAC address) to the desired DAC -- 0,0 = DAC1; 0,1 = DAC2 1,0 = DAC3; 1,1 = DAC4 . 3) Set D11 (MSB) through D0 (LSB) to the desired digital input code. 4) Load the word to the selected DAC by cycling WR1 and CS through the following sequence: "1" -- "0" -- "1" 5) Repeat sequence for each input register.
A1 0 0 0 0 1 1 1 1 X X X X X A0 0 0 1 1 0 0 1 1 X X X X X ** X 1 1 X ** X 1 X 1 CS WR1 B1/B2 1 0 1 0 1 0 1 0 X X X X X 0 X X 1 0 X X WR2 1 1 1 1 1 1 1 1 XFER X X X X X X X X
To load a 12-bit word to the input register of each DAC, using an 8-bit data bus, the sequence is as follows: 1) Set XFER=1, B1/B2=1, CLR=1, WR1=1, WR2=1, CS=1. 2) Set D11 through D4 to the 8 MSB's of the desired digital input code. 3) Load the 8 MSB's of the digital word to the selected input register by cycling WR1 and CS through the "1" -- "0" -- "1" sequence. 4) Reset B1/B2 from "1" ---- "0" 5) Set D11 (MSB) through D8 to the 4 LSB's of the digital input code. 6) Load the 4 LSB's by cycling WR1 and CS through the "1" -- "0" -- "1" sequence. 7) Repeat sequence for each input register.
CLR X X X X X X X X 1
FUNCTION Address DAC 1 and load input register Address DAC 1 and load 4 LSBs Address DAC 2 and load input register Address DAC 2 and load 4 LSBs Address DAC 3 and load input register Address DAC 3 and load 4 LSBs Address DAC 4 and load input register Address DAC 4 and load 4 LSBs
Transfer data from input registers to DAC registers
Sets all DAC output voltages to 0V Temporarily force all DAC output voltages to 0V, while CLR is low X X Invalid state with any other control line active Invalid state with any other control line active
X = Don't care; ** = Don't care; however, CS and WR1 = 1 will inhibit changes to the input registers. Table 2. Control Logic Truth Table
SP9504DS/03
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
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REF IN - D + VDAC
Figure 2. Transfer Function
VOut = VOut
D (2048 -1) x REF IN D x REF IN 4,096
VDAC =
TRANSFERRING DATA To transfer the four 12-bit words in the four input registers to the four DAC registers: 1) Set CLR=1, CS=1, WR1=1. 2) Cycle WR2 and XFER through the "1" -- "0" -- "1" sequence. To set the outputs of the four DAC's to 0V, cycle WR2 and CLR through the "1" -- "0" -- "1" sequence, while keeping XFER=1. ONE LATCH, OR NO LATCHES The latches that form the registers can be used in a "semi-" transparent mode, and a "fully-" transparent mode. In order to use the SP9504 in either mode the user must be interfaced to a 12-bit bus only (B1=1). The semi-transparent mode is set up such that the second set of latches is transparent and the first set is used to latch the incoming data. Data is latched into the first set rather than the second set, in order to minimize glitch energy induced from the data formatting. In this mode, XFER, WR2 and CS are tied low, and WR1 is used to strobe the data to the addressed DAC. Each DAC is addressed using the address lines A0 and A1. After the appropriate DAC has been selected and the data is settled at the digital inputs,
bringing WR1 low will transfer the data to the addressed DAC. The user should be sure to bring WR1 high again so that the next selected DAC will not be overwritten by the last digital code. This mode of operation may be useful in applications where preloading of the input registers is not necessary Figure 3a. A fully transparent mode is realized by tying WR1, CS, WR2, and XFER all low. In this mode, anything that is written on the12-bit data bus will be passed directly to the selected DAC. Since both latches are not being used, the previous digital word will be overwritten by the new data as soon as the address changes. This may be useful should the user want to calibrate a circuit, by taking full scale or zero scale readings for all four DAC's, Figure 3b. ZEROING DAC OUTPUTS While keeping XFER pin high, the DAC outputs can be set to zero volts two different ways. The first involves the CLR and WR2 pins. In normal operation, the CLR pin is tied high, thus, disabling the clear function. By cycling WR2 and CLR through "1" --"0" --"1" sequence, a digital code of 1000 0000 0000 is written to all four DAC registers, producing a half scale output or zero volts. The second utilizes the built in power-
SP9504DS/03
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
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on-reset. Using this feature, the SP9504 can be configured such that during power-up, the second register will be digitally "zeroed", producing a zero volt output at each of the four DAC outputs. This is achieved by powering the unit up with XFER in a high state. Thus, with no external circuitry, the SP9504 can be powered up with the analog outputs at a known, zero volt output level.
TEMPORARILY FORCING ALL DAC OUTPUTS TO 0V Set WR1=1, CS=1, WR2=0, XFER=0. The DAC registers can be temporarily forced to 1000 0000 0000 by bringing the CLR pin low. This will force the DAC outputs to 0V, while the CLR pin remains low. When the CLR pin is brought back high, the digital code at the DAC registers will again appear at the DAC's digital inputs, and the analog outputs will return to their previous values.
+3V Reference GND +5V -5V
VOUT3 VOUT4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VOUT4 VSS VDD CLR REF IN GND B1/B2 A0 A1 XFER WR2 WR1 CS VOUT1 VOUT3 DB0 DB1 DB2 DB3 DB4 DB5 SP9504 DB6 DB7 DB8 DB9 DB10 (MSB) DB11 VOUT2 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VOUT3 VOUT4
+3V Reference GND +5V -5V
12-Bit Data Bus
VOUT1 VOUT2
VOUT1 VOUT2 DAC Strobe Address Decode & Control
1 2 3 4 5 6 7 8 9 10 11 12 13 14
VOUT4 VSS VDD CLR REF IN GND B1/B2 A0 A1 XFER WR2 WR1 CS VOUT1
VOUT3 DB0 DB1 DB2 DB3 DB4 DB5 SP9504 DB6 DB7 DB8 DB9 DB10 (MSB) DB11 VOUT2
28 27 26 25 24 23 22 21 20 19 18 17 16 15
12-Bit Data Bus
Address Decode & Control
(a)
(b)
Figure 3. Latch Control Options -- (a) Semi-Transparent Latch Mode; (b) Fully-Transparent Latch Mode
WR2
H L H CS L H L 140ns, tWR Loads Input Data to First Set of Latches
H L H XFER L CLR WR2 H L 140ns, tXFER Data Transfer from Input Register to DAC's
WR1
Figure 4. Timing
SP9504DS/03
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
8
PACKAGE: PLASTIC DUAL-IN-LINE (WIDE)
E1 E
D1 = 0.005" min. (0.127 min.) D
A1 = 0.015" min. (0.381min.) A = 0.25" max. (6.350 max). A2 C O eA = 0.600 BSC (15.240 BSC) L
e = 0.100 BSC (2.540 BSC)
B1 B
DIMENSIONS (Inches) Minimum/Maximum (mm) A2 B B1 C D E E1 L O
24-PIN 0.125/0.195 (3.175/4.953) 0.014/0.022 (0.366/0.559 0.030/0.070 (0.762/1.778) 0.008/0.015 (0.203/0.381) 1.150/1.290 (29.21/32.76) 0.600/0.625 (15.24/15.87) 0.485/0.580 (12.31/14.73) 0.115/0.200 (2.921/5.080) 0/ 15 (0/15)
28-PIN 0.125/0.195 (3.175/4.953) 0.014/0.022 (0.366/0.559 0.030/0.070 (0.762/1.778) 0.008/0.015 (0.203/0.381) 1.380/1.565 (35.05/39.75) 0.600/0.625 (15.24/15.87) 0.485/0.580 (12.31/14.73) 0.115/0.200 (2.921/5.080) 0/ 15 (0/15)
32-PIN 0.125/0.195 (3.175/4.953) 0.014/0.022 (0.366/0.559 0.030/0.070 (0.762/1.778) 0.008/0.015 (0.203/0.381) 1.645/1.655 (41.78/42.04) 0.600/0.625 (15.24/15.87) 0.485/0.580 (12.31/14.73) 0.115/0.200 (2.921/5.080) 0/ 15 (0/15)
40-PIN 0.125/0.195 (3.175/4.953) 0.014/0.022 (0.366/0.559) 0.030/0.070 (0.762/1.778) 0.008/0.015 (0.203/0.381) 1.980/2.095 (50.29/53.21) 0.600/0.625 (15.24/15.87) 0.485/0.580 (12.31/14.73) 0.115/0.200 (2.921/5.080) 0/ 15 (0/15)
48-PIN 0.125/0.195 (3.175/4.953) 0.014/0.022 (0.366/0.559) 0.030/0.070 (0.762/1.778) 0.008/0.015 (0.203/0.381) 2.385/2.480 (60.57/62.99) 0.600/0.625 (15.24/15.87) 0.485/0.580 (12.31/14.73) 0.115/0.200 (2.921/5.080) 0/ 15 (0/15)
SP9504DS/03
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
9
PACKAGE: PLASTIC SMALL OUTLINE (SOIC)
E
H
D A O e B A1 L
DIMENSIONS (Inches) Minimum/Maximum (mm) A A1 B D E e H L O
28-PIN 0.090/0.100 (2.29/2.54) 0.004/0.010 (0.102/0.254) 0.014/0.020 (0.36/0.48) 0.706/0.718 (17.93/18.24) 0.340/0.350 (8.64/8.89) 0.050 BSC (1.270 BSC) 0.463/0.477 (11.76/12.12) 0.020/0.042 (0.51/1.07) 0/8 (0/8)
SP9504DS/03
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
10
ORDERING INFORMATION
Model Temperature Range Package Monolithic 12-Bit Quad DAC Voltage Output: SP9504JP .................................................................................. 0C to +70C ...................................................................... 28-pin, 0.6" Plastic DIP SP9504KP ................................................................................. 0C to +70C ...................................................................... 28-pin, 0.6" Plastic DIP SP9504JS .................................................................................. 0C to +70C ............................................................................. 28-pin, 0.35" SOIC SP9504KS ................................................................................. 0C to +70C ............................................................................. 28-pin, 0.35" SOIC Please consult the factory for pricing and availability on a Tape-On-Reel option.
Corporation
SIGNAL PROCESSING EXCELLENCE
Sipex Corporation Headquarters and Sales Office 22 Linnell Circle Billerica, MA 01821 TEL: (978) 667-8700 FAX: (978) 670-9001 e-mail: sales@sipex.com Sales Office 233 South Hillview Drive Milpitas, CA 95035 TEL: (408) 934-7500 FAX: (408) 935-7600
Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the application or use of any product or circuit described hereing; neither does it convey any license under its patent rights nor the rights of others.
SP9504DS/03
SP9504 Quad, 12-Bit, Voltage Output D/A Converter
(c) Copyright 2000 Sipex Corporation
11

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