Preliminary Technical Data
FEATURES
12 bit SAR ADC 8 single-ended inputs Channel sequencer functionality Analog Input Range 0 to 2.
5V 12-bit temperature-to-digital converter Temperature sensor accuracy of ±2°C typical Temperature range: −40°C to +125°C Specified for VDD of 2.
8 V to 3.
6V Logic
Voltage VDRIVE = 1.
65V to 3.
6V Power-down current : 10 µA Internal 2.
5V Reference I2C-compatible serial interface supports standard & fast modes 20-lead LFCSP
8-Channel, I2C, 12-Bit SAR ADC with Temperature Sensor AD7291
Functional Block Diagram
Figure 1.
GENERAL DESCRIPTION
The AD7291 is a 12-bit, high speed, low power, 8-channel, successive approximation ADC with an internal temperature sensor.
Th...