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AMC7891

Texas Instruments
Part Number AMC7891
Manufacturer Texas Instruments
Description Analog Monitor/Controller
Published May 22, 2020
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community AMC7834 SLAS972B – NOVEMBER 20...
Datasheet PDF File AMC7891 PDF File

AMC7891
AMC7891

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community AMC7834 SLAS972B – NOVEMBER 2014 – REVISED MARCH 2016 AMC7834 12-Bit Integrated Power-Amplifier Monitor and Control System with Temperature, Current and Voltage Supervision Capabilities 1 Features •1 Eight Monotonic 12-bit DACs With Programmable Ranges – Four Bipolar DACs: –4 to 1 V, –5 to 0 V, and 0 to 5 V – Four Unipolar DACs: 0 to 5 V, and 2.
5 to 7.
5 V – High Current Drive Capability: up to ±10 mA – Selectable Clamp Voltage • Multi-Channel 12-bit SAR ADC – Four External Analog Inputs: 0 to 2.
5 V Range – Four Internal Inputs for Bipolar DAC Monitoring – Programmable Out-of-Range Alarms • Four High-Side Current-Sense Amplifiers – Common Mode Voltages: 4 to 60 V – Optional Closed-Loop Drain-Current Controller Operation • Temperature Sensing Capabilities – Internal Temperature Sensor – Two Remote Temperature-Diode Drivers • Internal 2.
5 V Reference • Four General-Purpose I/O Ports (GPIOs) • Low-Power SPI-Compatible Serial Interface – 4-Wire Mode, 1.
7 to 3.
6 V Operation • Operating Temperature Range: –40°C to +125°C • Available in a 56-Pin VQFN Package 2 Applications • Communications Infrastructure: – Cellular Base Stations – Microwave Backhaul – Optical Networks • General-Purpose Monitor and Control • Data Acquisition Systems 3 Description The AMC7834 device is a highly-integrated, lowpower, analog monitoring and control solution for power-amplifier (PA) biasing capable of temperature, current and voltage supervision.
The device integrates a multi-channel, 12-bit analogto-digital converter (ADC); eight, 12-bit digital-toanalog converters (DAC); four high-side currentsense amplifiers that can be optionally set to operate as part of four independent closed-loop drain-current controllers; an accurate on-chip temperature sensor and two remote temperature-sensor diode drivers; four configurable general-purpose I/O ports (GPIOs); and an accurate internal reference.
The high level of...


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