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ADuCM330 - Precision Battery Sensor

General Description

3  Specifications 4  Absolute Maximum Ratings 10  ESD Caution 10  Pin Configuration and Function Descriptions 11  Terminology 13  REVISION HISTORY 10/15

Rev.

B to Rev.

Revision B: Initial Version Data Sheet Applications Information 14  Design Guidelin

Key Features

  • Memory High precision analog-to-digital converters (ADCs) Dual channel, simultaneous sampling I-ADC 20-bit Σ-Δ (minimizes range switching) VADC/TADC 20-bit Σ-Δ Programmable ADC conversion rate from 1 Hz to 8 kHz On-chip ±5 ppm/°C voltage reference Current channel Fully differential, buffered input Programmable gain (from 4 to 512) ADC absolute input range:.
  • 200 mV to +300 mV Digital comparator with current accumulator feature Voltage channel Buffered, on-chip attenuator for 12 V batter.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet Integrated, Precision Battery Sensor for Automotive Systems ADuCM330/ADuCM331 FEATURES Memory High precision analog-to-digital converters (ADCs) Dual channel, simultaneous sampling I-ADC 20-bit Σ-Δ (minimizes range switching) VADC/TADC 20-bit Σ-Δ Programmable ADC conversion rate from 1 Hz to 8 kHz On-chip ±5 ppm/°C voltage reference Current channel Fully differential, buffered input Programmable gain (from 4 to 512) ADC absolute input range: −200 mV to +300 mV Digital comparator with current accumulator feature Voltage channel Buffered, on-chip attenuator for 12 V battery input Temperature channel External and on-chip temperature sensor options Microcontroller ARM Cortex-M3 32-bit processor 16.