Datasheet Analog Devices AD7678ASTZ — Datenblatt

18-Bit, 2.5 LSB INL, 100 kSPS SAR ADC
AD7678
FUNCTIONAL BLOCK DIAGRAM FEATURES
18-bit resolution with no missing codes
No pipeline delay (SAR architecture)
Differential input range: ±VREF (VREF up to 5 V)
Throughput: 100 kSPS
INL: ±2.5 LSB max (±9.5 ppm of full scale)
Dynamic range: 103 dB typ (VREF = 5 V)
S/(N+D): 100 dB typ @ 2 kHz (VREF = 5 V)
Parallel (18-,16-, or 8-bit bus) and serial 5 V/3 V interface
SPI®/QSPI™/MICROWIRE™/DSP compatible
On-board reference buffer
Single 5 V supply operation
Power dissipation: 18 mW @ 100 kSPS
180 μW @ 1 kSPS
48-lead LQFP or 48-lead LFCSP package
Pin-to-pin compatible upgrade of AD7674/AD7676/AD7679 APPLICATIONS
CT scanners
High dynamic data acquisition
Geophone and hydrophone sensors
- replacement (low power, multichannel)
Instrumentation …