Datasheet Analog Devices AD7457 — 数据表

Low Power, Pseudo Differential, 100 kSPS
12-Bit ADC in an 8-Lead SOT-23
AD7457
FEATURES FUNCTIONAL BLOCK DIAGRAM Specified for VDD of 2.7 V to 5.25 V
Low power:
0.9 mW max at 100 kSPS with VDD = 3 V
3 mW max at 100 kSPS with VDD = 5 V
Pseudo differential analog input
Wide input bandwidth:
70 dB SINAD at 30 kHz input frequency
Flexible power/serial clock speed management
No pipeline delays
High speed serial interface—SPI®-/QSPI™-/
MICROWIRE™-/DSP-compatible
Automatic power-down mode
8-lead SOT-23 package VDD VIN+ 12-BIT
SUCCESSIVE
APPROXIMATION
ADC T/H
VIN– VREF SCLK
SDATA AD7457 CONTROL LOGIC
CS Transducer interface
Battery-powered systems …