Shenzhen Meiyuxin Technology Co., Ltd. [recycling electronic waste materials] sells ADS131B02QPWRQ1 automotive 24-bit 32kSPS dual-channel synchronous sampling analog-to-digital converter, quality assurance, brand new, original price, and supports third-party platform testing! ! !

ADS131B02QPWRQ1 Product Description:

The ADS131B02-Q1 is a two-channel, simultaneous sampling, 24-bit, delta-sigma analog-to-digital converter (ADC) with wide dynamic range, low power consumption, and buffered analog input, ideal for use in automotive battery management systems (BMS) . The ADC input can be connected directly to a shunt resistor for bidirectional battery current measurement, to a resistive divider network for high voltage measurement, or to a temperature sensor such as a thermistor or an analog output temperature sensor.

Individual ADC channels can be independently configured based on sensor input. A low-noise, programmable gain amplifier (PGA) provides gains from 1 to 128 to amplify low-level signals. The device employs a global chopping mode to remove temperature drift over temperature and over time. In addition, the device integrates offset voltage and gain calibration registers to help eliminate signal chain errors.

The device integrates a low-drift, 1.2-V reference and a high-precision oscillator, reducing printed circuit board (PCB) area. Optional Cyclic Redundancy Check (CRC) in data-in, data-out, and register maps ensures communication integrity.

ADS131B02QPWRQ1 Features:

• AEC-Q100 Qualified for Automotive Applications:

– Temperature class 1: –40°C to +125°C, TA

• Provides functional safety

– Documentation to aid in functional safety system design

• 2 Simultaneous Sampling Differential Input ADC

• Programmable Data Rate: Up to 32kSPS

• Programmable gain: up to 128

• Noise performance:

– 0.82µVRMS @ 1kSPS, Gain = 8

• Use global chopping mode to remove temperature drift over temperature and time

• High impedance analog input for direct sensor connection

• Integrated Negative Charge Pump Allows Input Signal Measurements Below Ground

• Crosstalk between channels: -120dB

• Low-Drift Internal Reference: 1.2V

• Precision Internal Oscillator

• CRC for communication and register map

• Analog and Digital Power: 2.7V to 3.6V

• Low Power Consumption: 3mW at 3.3V AVDD and DVDD

ADS131B02QPWRQ1 Application:

• Electric vehicle charging station

– DC electronic metering

• Automotive battery management systems (BMS):

– Current shunt measurement

– Voltage measurement is achieved using an external resistor divider

– Temperature measurement is achieved using a thermistor or an analog output temperature sensor