Product Summary

The AD574ASD/883 is a complete 12-bit successive approximation analog-to-digital converter with 3-state output buffer circuitry for direct interface to an 8- or 16-bit microprocessor bus. A high precision voltage reference and clock of the AD574ASD/883 are included on-chip, and the circuit guarantees full-rated performance without external circuitry or clock signals.

Parametrics

AD574ASD/883 absolute maximum ratings: (1)VCC to Digital Common: 0 V to +16.5 V; (2)VEE to Digital Common: 0 V to –16.5 V; (3)VLOGIC to Digital Common: 0 V to +7 V; (4)Analog Common to Digital Common: ±1 V; (5)Control Inputs (CE, CS, AO 12/8, R/C) to Digital Common: –0.5 V to VLOGIC + 0.5 V; (6)Analog Inputs (REF IN, BIP OFF, 10 VIN) to Analog Common: VEE to VCC; (7)20 VIN to Analog Common: ±24 V.

Features

AD574ASD/883 features: (1)Complete 12-Bit A/D Converter with Reference and Clock; (2)8- and 16-Bit Microprocessor Bus Interface; (3)Guaranteed Linearity Over Temperature. 0℃ to +70℃, T, U; (4)No Missing Codes Over Temperature; (5)35 ms Maximum Conversion Time; (6)Buried Zener Reference for Long-Term Stability and Low Gain.

Diagrams

AD574ASD/883 block diagram and pin configuration

AD570*
AD570*
Other

Data Sheet
Negotiable 
AD5700-1ACPZ-RL7
AD5700-1ACPZ-RL7

IC HART MODEM LP INT OSC 24LFCSP
Data Sheet
0-1500: $3.10
AD5700-1BCPZ-R5
AD5700-1BCPZ-R5

IC INTERFACE MODEM
Data Sheet
0-1: $6.95
1-10: $6.25
10-25: $5.69
25-100: $5.15
100-250: $4.72
AD5700-1BCPZ-RL7
AD5700-1BCPZ-RL7

IC HART MODEM LP INT OSC 24LFCSP
Data Sheet
0-1500: $3.61
AD5700ACPZ-RL7
AD5700ACPZ-RL7

IC HART MODEM LP 24LFCSP
Data Sheet
0-1500: $2.73
AD5700BCPZ-R5
AD5700BCPZ-R5

IC INTERFACE MODEM
Data Sheet
0-1: $6.26
1-10: $5.63
10-25: $5.12
25-100: $4.63
100-250: $4.24