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| TECHNICAL DATA Melody Generator with Accompaniment FEATURES * Two Sound Sources with Envelope (CR Envelope) * Melody is inserted up to two. * According to customer's request, the inserted melody is flexible. * 3.0V to 5.0V Operating Voltage * DC or AC Triggered Performance Start Mode (Mask Selected) * Can Drive an 8 Ohm Dynamic Loudspeaker if Provided Externally with a Transistor * Bare chip or 8-pin DIP (Plastic) Package available BT8048 DESCRIPTION The BT8048 is a CMOS LSI chip, which plays a prearranged melodies. ORDERING INFORMATION BT8048N Plastic BT8048D SOIC TA = -40 to 85 C for all packages ABSOLUTE MAXIMUM RATINGS ( Ta = 25oC ) Characteristic Power Supply Voltage Input Terminal Voltage Operating Temperature Storage Temperature Soldering Temperature and Time Symbol VDD V10 Ta Tstg Tsol Value - 0.3 to + 7.0 - 0.2 to VDD + 0.2 -40 to + 85 (VSS = 1.5V) - 65 to + 150 260 C, 10s (at lead) o Unit V V o o C C ELECTRICAL CHARACTERISTICS (VDD = 5V, Ta = 25oC; unless otherwise specified) Characteristic Operating Voltage Input Voltage "1" "0" MT Power Supply Time Response Time MO OUTPUT PIN EQUIVALENT CIRCUIT Symbol VDD VIH VIL Test Condition Min 3.0 VDD - 0.3 VSS 150 600 Typ 5.0 Max 5.5 VDD VSS + 0.3 ms ms Unit V V 130k Main Melody 150k MO Pin Accompaniment Inside of BT8048 Inside of BT8032 1 BT8048 BLOCK DIAGRAM OSC1 OSC2 OSCILLATOR RHYTHM ROM ACCOMPANMENT GENERATOR ENVELOPE MIXER ENV1 ENV2 TEMPO ROM MELODY ROM RHYTHM GENERATOR B/ E ENVELOPE MIXER MO MELODY ROM SEL1 SEL2 MT CONTROL ADDRESS COUNTER P1 CONTROL ROM TONE GENERATOR DRIVER OUT1 OUT2 PIN DESCRIPTION Pin. No. 1 2 3 4 5 6 7 8 Pin Name OSC1 OSC2 SEL1 VSS ENV1 ENV2 MO VDD Pull-Down Resistor Provided Functions A resistor is connected between both terminals to from a ring oscillator, or external reference signals are applied to OSC1. For binary selection: this Terminal in Conjunction with SEL1, selects a Melody. For direct selection: Selects Melody 2 and Controls Start and Stop of it's Performance. Power Supply Terminal (0V). Connects Resistor and Capacitor to add Envelope to Main Melody. Connects Resistor and Capacitor to add Envelope to Accompaniment. Output Terminal or Acoustic Signals that have not been Amplified. 3.0V to 5.0V Operating Voltage 2 BT8048 APPLICATION CIRCUIT (basic external connection) LINE OUTC3 C2 R2 C1 R1 VR2 BT8032 BT8048 VR1 * CR Oscillation, DC Input RECOMMENDED CONDITIONS FOR EXTERNAL DEVICES Symbol VR1 VR2 R1 R2 Ratings 1-2 50 100 100 Unit M k k k Symbol C1 C2 C3 Ratings 4.7 4.7 0.1 Unit F F F - MELODY SELECT TABLE Switch Melody Gong Bong Up Down SEL1 OFF ON OFF ON SEL2 OFF OFF ON ON 3 BT8048 N SUFFIX PLASTIC DIP (MS - 001BA) A 8 5 B 1 4 Dimension, mm Symbol A B MIN 8.51 6.1 MAX 10.16 7.11 5.33 0.36 1.14 2.54 7.62 0 2.92 7.62 0.2 0.38 10 3.81 8.26 0.36 0.56 1.78 F L C D C -T- SEATING PLANE F G M H J N G D 0.25 (0.010) M T K H J K L M N NOTES: 1. Dimensions "A", "B" do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side. D SUFFIX SOIC (MS - 012AA) Dimension, mm 5 A 8 Symbol A B P MIN 4.8 3.8 1.35 0.33 0.4 1.27 5.72 0 0.1 0.19 5.8 0.25 MAX 5 4 1.75 0.51 1.27 H B C 1 G 4 C R x 45 D F -TD 0.25 (0.010) M T C M K SEATING PLANE G J F M H J K M P R 8 0.25 0.25 6.2 0.5 NOTES: 1. Dimensions A and B do not include mold flash or protrusion. 2. Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B 0.25 mm (0.010) per side. 4 |
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