Datasheet Texas Instruments AMC7891SRHHR — 数据表

AMC7891
SBAS518A – AUGUST 2011 – REVISED DECEMBER 2011 www.ti.com Analog Monitor and Control Circuit
with 10-Bit, Multi-Channel ADC and Four DACs, Temperature
Sensor, and 12 GPIOs
Check for Samples: AMC7891 FEATURES APPLICATIONS 1 23 10-Bit, 500-kSPS SAR ADC:
– 8 External Analog Inputs
– VREF, 2 × VREF Input Ranges
Four 10-Bit Monotonic DACs:
– 0 to 5-V Output Range
– Up to 10-mA Sink and Source Capability
– Power-On Reset to 0 V
Internal 2.5-V Reference
Internal Temperature Sensor:
– –40°C to +125°C Operation
– Accuracy of ±2.5°C
12 General-Purpose I/O Ports:
– 1.8-V to 5.5-V Operation
Low-Power SPIв„ў-Compatible Serial Interface:
– 4-Wire Mode, 1.8-V to 5.5-V Operation
– SCLK up to 30 MHz
Temperature Range: –40°C to +105°C
Low Power: 32.5 mW at 5 V, Full Operating
Conditions …