Datasheet Analog Devices AD7691BRMZ — Ficha de datos

18-Bit, 1.5 LSB INL, 250 kSPS PulSAR
Differential ADC in MSOP/LFCSP
AD7691 Data Sheet
FEATURES APPLICATION DIAGRAM APPLICATIONS
Battery-powered equipment
Data acquisitions
Seismic data acquisition systems
Instrumentation
Medical instruments
1.5
POSITIVE INL = 0.43LSB
NEGATIVE INL = –0.62LSB
1.0 +2.5V TO +5V IN+ REF VDD VIO
SDI IN– SDO SCK
±10V, ±5V, .
GND +1.8V TO VDD
3-OR 4-WIRE
INTERFACE
(SPI, DAISY CHAIN, CS) CNV ADA4941 AD7691 Figure 2. Table 1. MSOP, LFCSP/SOT-23 14-/16-/18-Bit PulSAR® ADC
Type
18-Bit True
Differential
16-Bit True …

18-Bit, 250 kSPS PulSAR
Differential ADC in MSOP
AD7691-EP Enhanced Product
FEATURES APPLICATION DIAGRAM ENHANCED PRODUCT FEATURES
Supports defense and aerospace applications (AQEC standard)
Military temperature range: −55°C to +105°C
Controlled manufacturing baseline
One assembly/test site
One fabrication site
Enhanced product change notification
Qualification data available on request APPLICATIONS
Battery-powered equipment
Data acquisitions
Seismic data acquisition systems
Instrumentation
Medical instruments +0.5V TO VDD +2.5V TO +5V IN+ REF VDD VIO
SDI IN– SDO +1.8V TO VDD
3-OR 4-WIRE
INTERFACE
(SPI, DAISY CHAIN, CS) SCK
±10V, ±5V, .
GND CNV
12156-001 ADA4941 AD7691-EP Figure 1. GENERAL DESCRIPTION …