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Preliminary Technical Data
FEATURES
Low noise: 1 nV/Hz at 1kHz Low distortion: -120 dB THD @ 20 kHz < 50 nV p-p input noise, 0.1 Hz to 10 Hz Slew rate: 15 V/s Wide bandwidth: 10 MHz Supply current: 5 mA typ Low Offset Voltage: < 100 V max CMRR: 120 dB Unity-Gain Stable 5V to 15V Operation
Dual Ultralow Distortion, Ultralow Noise Op Amp AD8599
PIN CONFIGURATIONS
OUT A - IN A + IN A -V
1 2 3 8 7 6 5
AD8599
+V OUT B - IN B + IN B
TOP VIEW (Not to Scale) 4
Figure 1. 8-Lead SOIC (R-8)
APPLICATIONS
Professional audio preamplifiers ATE / Precision Testers Imaging systems Medical / Physiological measurements Precision detectors / instruments Precision Data Conversion
GENERAL DESCRIPTION
The AD8599 is a dual, very low noise, low distortion operational amplifier ideal for use as a preamplifier. The low noise of 1nV/Hz and low harmonic distortion of -120 dB (or better) at audio bandwidths give the AD8599 the wide dynamic range necessary for preamps in audio, medical , and instrumentation applications. The AD8599's excellent slew rate of 15 V/ s and 10 MHz gain bandwidth make it highly suitable for low frequency medical applications. The low distortion and settling time of the AD8599 make it ideas for buffering of high resolution data converters.
Rev. PrA
Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 (c)2006 Analog Devices, Inc. All rights reserved.
Preliminary Technical Data SPECIFICATIONS
VDD = 15 V and 5 V, VCM=0V, TA = +25oC, unless otherwise noted Table 1.
Parameter INPUT CHARACTERISTICS Offset Voltage Symbol VOS -40C < TA < +85C -40C < TA < +125C -40C < TA < +85C -40C < TA < +125C Conditions Min Typ Max 100 150 150 1 1.5 100 300 300 tbd tbd tbd 11V 2.5 > 100
AD8599
Unit V V V V/C V/C nA nA nA
Offset Voltage Drift
VOS/T
Input Bias Current
IB -40C < TA < +85C -40C < TA < +125C
Input Offset Current
IOS -40C < TA < +85C -40C < TA < +125C VDD = 15V VDD = 5V -11V < VCM < +11V RL = 2 k, VO = -10V V to +10 V -40C < TA < +85C -40C < TA < +125C
Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain
VCM CMRR AVO
V tbd tbd dB V/mV
Input Capacitance OUTPUT CHARACTERISTICS Output Voltage High
CDIFF CCM VOH IOUT = 1 mA IOUT = 10 mA -40C < TA < +85C -40C < TA < +125C
pF pF V V V
Output Voltage Low
VOL
IOUT = 1 mA IOUT = 10 mA -40C < TA < +85C -40C < TA < +125C
mV mV mV
Output Current Closed-Loop Output Impedance POWER SUPPLY Power Supply Rejection Ratio
IOUT ZOUT
Conditions At 1MHz, AV = +1
mA
PSRR
VDD = 15V to 9V -40C < TA < +85C -40C < TA < +125C
120 120 120 5
dB
Supply Current per Amplifier DYNAMIC PERFORMANCE Slew Rate Settling Time Gain Bandwidth Product
ISY SR ts GBP RL = 1 k To 0.01% 10
mA V/s s MHz
15 tbd 10
Rev. PrA | Page 2 of 6
Preliminary Technical Data
Phase Margin M 50
AD8599
Degrees
Rev. PrA | Page 3 of 6
Preliminary Technical Data
Parameter NOISE PERFORMANCE Peak-to-Peak Noise Voltage Noise Density Current Noise Total harmonic distortion + Noise Symbol en p-p en Conditions 0.1 Hz to 10 Hz f = 1 kHz f = 10 kHz f = 1 kHz, 20 G=1, RL 1k , f=250 kHz, VRMS = 3 V, 15V G=1, RL 1k , f=20 kHz, VRMS = 3 V, 15 f = 10 kHz? f = 100 kHz? Min Typ 50 1 tbd < 2pA -90 -110 -120 -120 Max
AD8599
Unit V nV/Hz nV/Hz pA/Hz dB dB dB dB
THD+N
Channel Separation
CS
Rev. PrA | Page 4 of 6
Preliminary Technical Data ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter Supply Voltage Input Voltage Differential Input Voltage Output Short-Circuit to GND Storage Temperature Range Operating Temperature Range Lead Temperature Range (Soldering 60 sec) Junction Temperature Rating 6V GND to VDD 3V Indefinite -65C to +150C -40C to +125C 300C 150C
AD8599
THERMAL RESISTANCE
JA is specified for the worst-case conditions, that is, a device soldered in a circuit board for surface-mount packages. Table 3. Thermal Resistance
Package Type 14-Lead SOIC (R) JA 120 JC 36 Unit C/W
ESD CAUTION
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Rev. PrA | Page 5 of 6
Preliminary Technical Data OUTLINE DIMENSIONS
8.75 (0.3445) 8.55 (0.3366)
14 1 8 7
AD8599
4.00 (0.1575) 3.80 (0.1496)
6.20 (0.2441) 5.80 (0.2283)
0.25 (0.0098) 0.10 (0.0039) COPLANARITY 0.10
1.27 (0.0500) BSC
1.75 (0.0689) 1.35 (0.0531)
0.50 (0.0197) x 45 0.25 (0.0098)
0.51 (0.0201) 0.31 (0.0122)
SEATING PLANE
8 0.25 (0.0098) 0 1.27 (0.0500) 0.40 (0.0157) 0.17 (0.0067)
COMPLIANT TO JEDEC STANDARDS MS-012-AB CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN.
Figure 2. 14-Lead Standard Small Outline Package [SOIC] Narrow Body (R-14) Dimensions shown in millimeters and (inches)
ORDERING GUIDE - DEVICE IN DEVELOPMENT
Model Temperature Range Package Description Package Option
(c) 2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 06274-0-6/06(PrA)
Rev. PrA | Page 6 of 6

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