AMC7823 Integrated Multichannel ADC and DAC for Analog Monitoring and Control | TI.com

AMC7823
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Integrated Multichannel ADC and DAC for Analog Monitoring and Control

Integrated Multichannel ADC and DAC for Analog Monitoring and Control - AMC7823
Datasheet
 

Description

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.

Features

  • 12-Bit ADC (200kSPS):
    • Eight Analog Inputs
    • Input Range 0 to 2 × VREF
  • Programmable VREF, 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)

Parametrics

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Part number Order ADC input channels (#) ADC resolution (bits) DAC channels DAC: resolution (Bits) Temperature sensing GPIOs Interface Special function Operating temperature range (C) Package Group Package size: mm2:W x L (PKG) ADC: sampling rate (KSPS) ADC: analog input range (Min) (V) ADC: analog input range (Max) (V) DAC: settling time (uS) DAC: output full scale (Min) (V) DAC: output full scale (Max) (V)
AMC7823 Order now 8     12     8     12     Local
Remote    
6     SPI     Current Source up to 10 mA     -40 to 85     WQFN | 40     40WQFN: 36 mm2: 6 x 6 (WQFN | 40)     200     0     5     2     0     5    
AMC7812 Order now 16     12     12     12     Local
Remote    
8     SPI
I2C    
Temp Sensor     -40 to 105     HTQFP | 64
VQFN | 64    
64HTQFP: 144 mm2: 12 x 12 (HTQFP | 64)
64VQFN: 81 mm2: 9 x 9 (VQFN | 64)    
500     -5     5     2     0     12.5    
AMC7812B Order now 16     12     12     12     Local
Remote    
8     I2C
SPI    
Temp Sensor     -40 to 125     HTQFP | 64
VQFN | 64    
64HTQFP: 144 mm2: 12 x 12 (HTQFP | 64)
64VQFN: 81 mm2: 9 x 9 (VQFN | 64)    
500     -5     5     2     0     12.5    
AMC7820 Samples not available 8     12     3