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SN65004
One Channel Direct Drive Speech Controller
INTRODUCTION
SN65004 Series is 4 seconds one-channel single chip voice synthesizer IC which contains a PWM Direct Drive Circuit. There is one 2-bit I/O port and built in a tiny controller. By programming through the tiny controller, user's applications including section combination, trigger modes, output status, and other logic functions can be easily implemented.
FEATURES
Single power supply 2.4V - 5.1V 4 seconds voice capacity is provided Built in a tiny controller One 2-bit I/O port is provided 32*4 bits RAM are provided Maximum 16k program ROM is provided Readable ROM code data Built in a high quality speech synthesizer Adaptive playing speed from 2.5k-20kHz is provided Built in a PWM Direct Drive circuit output BUO1 and BUO2 directly connected to Speaker for sound output System clock: 1MHZ
PIN ASSIGNMENT
Symbol P20 P21 VDD OSC TEST GND BUO1 BUO2 I/O I/O I/O I I I I O O Function Description Bit0 of I/O port 2 Bit1 of I/O port 2 Positive power supply Oscillation component connection pin For testing only Negative power supply PWM output 1 PWM output 2
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SN65004
One Channel Direct Drive Speech Controller
ABSOLUTE MAXIMUM RATINGS
Items Supply Voltage Input Voltage Operating Temperature Storage Temperature Symbol VDD-V VIN TOP TSTG Min -0.3 GND-0.3 -20.0 -55.0 Max 6.0 VDD+0.3 70.0 125.0 Unit. V V
o o
C C
ELECTRICAL CHARACTERISTICS
Item Operating Voltage Standby current Operating Current Input current of P2 Drive current of P2 Sink Current of P2 Drive current of Buo1 Sink Current of Buo1 Drive Current of Buo2 Sink Current of Buo2 Oscillation Freq. Sym. Min. Typ. Max. Unit VDD ISBY IOPR IIH IOD IOS IOD IOS IOD IOS FOSC 2.4 1.5 2.0 100 100 100 100 3.0 3.0 2 3 120 120 120 120 1.0 5.1 1.0 250 10.0 V uA uA uA mA mA mA mA Condition VDD=3V, no load VDD=3V, no load VDD=3V,VIN=3V VDD=3V,VO=2.4V VDD=3V,VO=0.4V VDD=3V,Buo1=1.5V VDD=3V,Buo1=1.5V
mA VDD=3V,Buo2=1.5V mA VDD=3V,Buo2=1.5V MHz VDD=3V
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SN65004
One Channel Direct Drive Speech Controller
APPLICATION CIRCUIT
Note: Please bonds all of VDD and VSS pins.
SN65004
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SN65004
One Channel Direct Drive Speech Controller
BONDING PAD
SN65004
Note : The substrate MUST be connected to Vss in PCB layout.
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SN65004
One Channel Direct Drive Speech Controller
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