Analog Devices Inc.

Category: Data Converters

Precision Integrated Analog Front End, Controller, and PWM for Battery Test and Formation Systems Features: CC and CV battery test and formation modes with transparent and automatic switchover, for systems of 20 Ah or less Precise measurement of voltage and current Independent feedback control blocks Highly accurate, factory trimmed instrumentation and differential amplifiers In-amp for current sense gain: 66 V/V Difference amplifier for voltage sense gain: 0.4V/V Stable over temperature: offset voltage drift <0.6 µV/°C (maximum) Gain drift: <3 ppm/°C (maximum) Current sense CMRR: 120 dB minimum Popular SMPS control for charge/discharge High PWM linearity with internal ramp voltage 50 kHz to 300 kHz user controlled switching frequency Synchronization output or input with adjustable phase shift Programmable soft start

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