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ZN448E

ETC
Part Number ZN448E
Manufacturer ETC
Description 8-BIT MICROPROCESSOR COMPATIBLE A-D CONVERTER
Published Apr 17, 2005
Detailed Description DS3013 - 2.2 ZN448/ZN449 8-BIT MICROPROCESSOR COMPATIBLE A-D CONVERTER The ZN448 and ZN449 are 8-bit successive approxi...
Datasheet PDF File ZN448E PDF File

ZN448E
ZN448E

Overview
DS3013 - 2.
2 ZN448/ZN449 8-BIT MICROPROCESSOR COMPATIBLE A-D CONVERTER The ZN448 and ZN449 are 8-bit successive approximation A-D converters designed to be easily interfaced to microprocessors.
All active circuitry is contained on-chip including a clock generator and stable 2.
5V bandgap reference, control logic and double buffered latches with reference.
Only a reference resistor and capacitor, clock resistor and capacitor and input resistors are required for operation with either unipolar or bipolar input voltage.
BUSY (END OF CONVERSION) RD (OUTPUT ENABLE) CLOCK WR (START CONVERSION) REXT VIN VREF IN 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 DB0 (LSB) DB1 DB2 DB3 DB4 DB5 DB6 DB7 (MSB) +VCC (+5V) FEATURES s s s s s s s Easy Interfacing to Microprocessor, or operates as a 'Stand-Alone' Converter Fast: 9 microseconds Conversion time Guaranteed Choice of Linearity: 0.
5 LSB - ZN448, 1 LSB - ZN449 On-Chip Clock Choice of On-Chip or External Reference Voltage Unipolar or Bipolar In...


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