AMC7836 Texas instruments

AMC7836

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AMC7836

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Описание

The AMC7836 is a highly-integrated, low-power, analog monitoring and control solution. The device includes a 21-channel, 12-bit analog-to-digital converter (ADC), sixteen 12-bit digital-to-analog converters (DACs) with programmable output ranges, eight GPIOs, an internal reference, and a local temperature-sensor channel. The high level of integration significantly reduces component count and simplifies closed-loop system designs making it ideal for multichannel applications where board space, size, and low-power are critical. The low-power, very high-integration and wide operating-temperature range of the device make it suitable as an all-in-one, low-cost, bias-control circuit for the power amplifiers (PA) found in multichannel RF communication systems. The flexible DAC output ranges allow the device to be used as a biasing solution for a large variety of transistor technologies, such as LDMOS, GaAs, and GaN. The AMC7836 feature set is similarly beneficial in general-purpose monitor and control systems.For applications that require a different channel-count, additional features, or converter resolutions, Texas Instruments offers a complete family of analog monitor and control (AMC) products. For more information, go to www.ti.com/amc.

16 Monotonic 12-Bit DACs
- Selectable Ranges: –10 V to 0 V, –5 V to 0 V, 0 V to 5 V, and 0 V to 10 V
- High Current Drive Capability: up to ±15 mA
- Auto-Range Detector
- Selectable Clamp Voltage
12-Bit SAR ADC
- 21 External Analog Inputs
  - 16 Bipolar Inputs: –12.5 V to +12.5 V
  - 5 High-Precision Inputs: 0 V to 5 V
- Programmable Out-of-Range Alarms
Internal 2.5-V Reference
Internal Temperature Sensor
- –40°C to +125°C Operation
- ±2.5°C Accuracy
Eight General-Purpose I/O Ports (GPIOs)
Low-Power SPI-Compatible Serial Interface
- 4-Wire Mode, 1.8-V to 5.5-V Operation
Operating Temperature: –40°C to +125°C
Available in 64-Pin HTQFP PowerPAD™ IC Package

Number of ADC channels	21
ADC resolution (Bits)	12
Number of DAC channels	16
DAC resolution (Bits)	12
Temperature sensing	Local
Number of GPIOs	8
Interface type	SPI
Features	GPIO, Temp Sensor
Operating temperature range (°C)	-40 to 125
Rating	Catalog
ADC sampling rate (ksps)	87
ADC analog input range (min) (V)	-12.5
ADC analog input range (max) (V)	12.5
DAC settling time (µs)	10
DAC output full-scale (min) (V)	-10
DAC output full-scale (max) (V)	10