AMC7836IPAPRG4.B中文资料德州仪器数据手册PDF规格书

1 Features

1• 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

2 Applications

• Communications Infrastructure:

– Cellular Base Stations

– Microwave Backhaul

– Optical Networks

• General-Purpose Monitor and Control

• Data Acquisition Systems

3 Description

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 channelcount,

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.