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The AMC1035QDRQ1 is a precision delta-sigma modulator that operates from a single 3.0V to 5.5V supply and features an externally powered 9MHz to 21MHz clock signal. The differential ±1V input architecture of the device is optimised for voltage and temperature sensing rendering.

The AMC1035QDRQ1 is optionally available with a Manchester encoded output bitstream, which eliminates the need to consider the setup and retention time requirements of the receiving device and reduces the overall circuit layout effort. When used to extract the output bitstream in conjunction with a digital filter (e.g. integrated into the TMS320F28004x, TMS320F2807x or TMS320F2837x microcontroller families), the device achieves 16-bit resolution with 87 dB dynamic range at a data rate of 82 kSPS.

The AMC1035QDRQ1's internal reference resources support a proportional circuit architecture that minimizes the negative impact of supply voltage variations and temperature drift on measurement accuracy.

The AMC1035QDRQ1 can also be used with digital isolators and isolated power supplies for common mode AC voltage detection.

Product Features

Compliant with AEC-Q100 standard for automotive applications.

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

Delta-sigma modulator optimised for voltage and temperature sensing.

Input voltage range: ±1V

High differential input resistance: 1.6GΩ (typical)

Integrated 2.5V, ±5mA reference for proportional measurements

Excellent DC performance.

Misalignment voltage error: ±0.5mV (max)

Temperature drift: ±6µV/°C (max)

Gain error: ±0.25% (max)

Gain drift: ±45ppm/°C (max)

Proportional gain drift: ±15ppm/°C (max)

Selectable Manchester coded or uncoded bitstream output

Applications

• Voltage and temperature sensing for:

- Traction inverters

- Car chargers

- DC/DC converters

- Integrated power modules

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

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