ZN427E8 - Zarlink Semiconductor Inc

ZN427E8 MICROPROCESSOR COMPATIBLE 8-BIT SUCCESSIVE APPROXIMATION A-D CONVERTER

ZN427E8 / ZN427J8 MICROPROCESSOR COMPATIBLE 8-BIT SUCCESSIVE APPROXIMATION A-D CONVERTER The ZN427 is an 8-bit successive approximation converter with three-state outputs to permit easy interfacing to a common data bus. The IC contains a voltage switching DAC, a fast comparator, successive approximation logic and a 2.56V precision bandgap reference, the use.

Features

s Easy Interfacing to Microprocessor, or Operates as a 'Stand-Alone' Converter s Fast: 10 microseconds Conversion time Guaranteed s No Missing Codes over Operating Temperature Range s Data Outputs Three-State TTL Compatible, other Logic Inputs and Output TTL and CMOS Compatible s Choice of On-Chip or External Reference Voltage s Ratiometric Operation s Unipolar or Bipolar Input Ranges s Complementary to ZN428 DAC s Commercial or Military Temperature Range BUSY (END OF CONVERSION) 1 RD (OUTPUT ENABLE) 2 CLOCK 3 WR (START CONVERSION) 4 REXT 5 VIN VREF IN 6 7 VREF OUT 8 GROUND 9 18 BIT .