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Data Sheet
Dual Pseudo Differential 16-Bit, 1 MSPS PulSAR ADC 12.0 mW in QSOP AD7902
FEATURES
GENERAL DESCRIPTION
16-bit resolution with no missing codes
The AD7902 is a dual 16-bit, successive approximation, analog-
Throughput: 1 MSPS
to-digital converter (ADC) that operates from a single power
Low power dissipation
supply, VDDx, per ADC. It contains two low power, high speed,
7.0 mW at 1 MSPS (VDD1 and VDD2 only) 12.0 mW at 1 MSPS (total)
16-bit sampling ADCs and a versatile serial port interface (SPI). On the CNVx rising edge, the AD7902 samples an analog input,
140 µW at 10 kSPS INL: ±1.0 LSB typical, ±2.5 LSB maximum
IN+, in the range of 0 V to VREF with respect to a ground sense, IN−. The externally applied reference voltage of the REFx pins
SINAD: 91 dB at 1 kHz THD: −105 dB at 1 kHz Pseudo differential analog input range
0 V to VREF with VREF between 2.4 V to 5.1 V Allows use of any input range Easy to drive with the ADA4841-1/ADA4841-2 No pipeline delay Si.