Datasheet Summary
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-patible 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....