Analog Devices Inc. AD7294BSUZ

Description
The AD7294 is a 12-bit monitor and control system that integrates a 12-bit SAR ADC, four 12-bit DACs, temperature sensors, and current sense inputs. It offers precise control of current, voltage, and temperature in various applications.

Features
12-bit SAR ADC with 3 µs conversion time
Four uncommitted analog inputs
Differential/single-ended V2xV input ranges
Two high-side current sense inputs
5 V to 59.4 V operating range
0.5% max gain error
±200 mV input range
Two external diode temperature sensor inputs
-55°C to 150°C measurement range
±2°C accuracy
Series resistance cancellation
One internal temperature sensor
±2°C accuracy
Built-in monitoring features
Minimum/maximum recorder for each channel
Programmable alert thresholds
Programmable hysteresis
Four 12-bit monotonic 15 V DACs
5 V span, 0 V to 10 V offset
8 µs settling time
10 mA sink and source capability
Power-on resets (POR) to 0 V
Internal 2.5 V reference
2-wire fast mode I²C interface
Temperature range: -40°C to 105°C
Package types: 64-lead TQFP or 56-lead LFCSP

Applications
Cellular base stations (GSM, EDGE, UMTS, CDMA, TD-SCDMA, W-CDMA, WiMAX)
Point-to-multipoint and other RF transmission systems
12 V, 24 V, 48 V automotive applications
Industrial controls