AMC7823 Texas instruments

AMC7823

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AMC7823

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Описание

The AMC7823 is a complete analog monitoring and control circuit that includes an 8-channel, 12-bit analog-to-digital converter (ADC), eight 12-bit digital- to-analog converters (DACs), four analog input out-of-range alarms, and six GPIOs to monitor analog signals and control external devices. Also, the AMC7823 has an internal sensor to monitor chip temperature, and a precision current source to drive remote thermistors, or RTDs, to monitor remote temperatures.

12-Bit ADC (200kSPS):
- Eight Analog Inputs
- Input Range 0 to 2 × V_REF
Programmable V_REF, 1.25V or 2.5V
Eight 12-Bit DACs (2µs Settling Time)
Four Analog Input Out-of-Range Alarms
Six General-Purpose Digital I/O
Internal Bandgap Reference
On-Chip Temperature Sensor
Precision Current Source
SPI™ Interface, 3V or 5V Logic Compatible
Single 3V to 5V Supply
Power-Down Mode/Low Power
Small Package (QFN-40, 6 × 6 mm)

Number of ADC channels	8
ADC resolution (Bits)	12
Number of DAC channels	8
DAC resolution (Bits)	12
Temperature sensing	Local, Remote
Number of GPIOs	6
Interface type	SPI
Features	GPIO, Temp Sensor
Operating temperature range (°C)	-40 to 85
Rating	Catalog
ADC sampling rate (ksps)	200
ADC analog input range (min) (V)	0
ADC analog input range (max) (V)	5
DAC settling time (µs)	2
DAC output full-scale (min) (V)	0
DAC output full-scale (max) (V)	5