Description
Data Sheet 18-Bit, 2 MSPS/1 MSPS/500 kSPS, Easy Drive, Differential SAR ADCs AD4003/AD4007/AD4011 .
The AD4003/AD4007/AD4011 are high accuracy, high speed, low power, 18-bit, Easy Drive, precision successive approximation register (SAR) analog-to-di.
Features
* Easy Drive Greatly reduced input kickback Input current reduced to 0.5 μA/MSPS Enhanced acquisition phase, ≥79% of cycle time at 1 MSPS First conversion accurate, no latency or pipeline delay Input span compression for single-supply operation Fast conversion allows low SPI clock rates Input overvol
Applications
* Automated test equipment Machine automation Medical equipment Battery-powered equipment Precision data acquisition systems Instrumentation and control systems
FUNCTIONAL BLOCK DIAGRAM
2.4V TO 5.1V
10µF
1.8V
VREF VREF/2
0
VREF VREF/2
0
AD4003/ AD4007/ AD4011
REF
VDD
HIGH-Z
MODE
IN+
18-BI