Datasheet Analog Devices AD7705BRUZ-REEL7 — Ficha de datos

3 V/5 V, 1 mW, 2-/3-Channel,
16-Bit, Sigma-Delta ADCs
AD7705/AD7706
FEATURES
AD7705: 2 fully differential input channel ADCs
AD7706: 3 pseudo differential input channel ADCs
16 bits no missing codes
0.003% nonlinearity
Programmable gain front end: gains from 1 to 128
3-wire serial interface
SPI®-, QSPI^TM-, MICROWIRE^TM-, and DSP-compatible
Schmitt-trigger input on SCLK
Ability to buffer the analog input
2.7 V to 3.3 V or 4.75 V to 5.25 V operation
Power dissipation 1 mW maximum @ 3 V
Standby current 8 μA maximum
16-lead PDIP, 16-lead SOIC, and 16-lead TSSOP packages GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM
VDD REF IN(-) REF IN(+) AD7705/AD7706
CHARGE
BALANCING
A/D CONVERTER
ANALOG
INPUT …