Product details

Resolution (Bits) 16 Sample rate (max) (ksps) 20 Number of input channels 1 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential Rating Catalog Reference mode Internal Input voltage range (max) (V) 1 Input voltage range (min) (V) -1 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 13.8 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 86 Digital supply (min) (V) 3 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Sample rate (max) (ksps) 20 Number of input channels 1 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential Rating Catalog Reference mode Internal Input voltage range (max) (V) 1 Input voltage range (min) (V) -1 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 13.8 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 86 Digital supply (min) (V) 3 Digital supply (max) (V) 5.5
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • Delta-sigma modulator optimized for voltage and temperature sensing:
    • ±1-V input voltage range
    • High differential input resistance: 1.6 GΩ (typ)
    • Integrated 2.5-V, ±5-mA reference for ratiometric measurement
  • Excellent DC performance:
    • Offset error: ±0.5 mV (max)
    • Offset drift: ±6 µV/°C (max)
    • Gain error: ±0.25% (max)
    • Gain drift: ±45 ppm/°C (max)
    • Ratiometric gain drift: ±15 ppm/°C (max)
  • Selectable manchester encoded or uncoded bitstream output
  • Fully specified over the extended industrial temperature range: –40°C to +125°C
  • Delta-sigma modulator optimized for voltage and temperature sensing:
    • ±1-V input voltage range
    • High differential input resistance: 1.6 GΩ (typ)
    • Integrated 2.5-V, ±5-mA reference for ratiometric measurement
  • Excellent DC performance:
    • Offset error: ±0.5 mV (max)
    • Offset drift: ±6 µV/°C (max)
    • Gain error: ±0.25% (max)
    • Gain drift: ±45 ppm/°C (max)
    • Ratiometric gain drift: ±15 ppm/°C (max)
  • Selectable manchester encoded or uncoded bitstream output
  • Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC1035 is a precision delta-sigma (ΔΣ) modulator that operates from a single 3.0-V to 5.5-V supply and with an externally supplied clock signal in the range of 9 MHz to 21 MHz. In Manchester mode, the specified clock range is 9 MHz to 11 MHz. The differential ±1-V input structure of the device is optimized for high noise environments typical for industrial applications.
Select the output bitstream of the AMC1035 to be Manchester coded to prevent setup and hold time requirement considerations of the receiving device and reduce overall circuit layout efforts. When used with a digital filter (such as integrated in the TMS320F28004x, TMS320F2807x or TMS320F2837x microcontroller families) to decimate the output bitstream, the device can achieve 16 bits of resolution with a dynamic range of 87 dB at a data rate of 82 kSPS.

The internal reference source of the AMC1035 supports ratiometric circuit architecture to minimize the negative impact of the supply voltage variation and temperature drift on the accuracy of the measurement.

The AMC1035 can also be used for AC power line voltage sensing with a digital isolator and isolated power supply.



The AMC1035 is a precision delta-sigma (ΔΣ) modulator that operates from a single 3.0-V to 5.5-V supply and with an externally supplied clock signal in the range of 9 MHz to 21 MHz. In Manchester mode, the specified clock range is 9 MHz to 11 MHz. The differential ±1-V input structure of the device is optimized for high noise environments typical for industrial applications.
Select the output bitstream of the AMC1035 to be Manchester coded to prevent setup and hold time requirement considerations of the receiving device and reduce overall circuit layout efforts. When used with a digital filter (such as integrated in the TMS320F28004x, TMS320F2807x or TMS320F2837x microcontroller families) to decimate the output bitstream, the device can achieve 16 bits of resolution with a dynamic range of 87 dB at a data rate of 82 kSPS.

The internal reference source of the AMC1035 supports ratiometric circuit architecture to minimize the negative impact of the supply voltage variation and temperature drift on the accuracy of the measurement.

The AMC1035 can also be used for AC power line voltage sensing with a digital isolator and isolated power supply.



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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet AMC1035 Delta-Sigma Modulator With Bipolar Input of ±1 V and Reference Output of 2.5 V datasheet (Rev. B) PDF | HTML Apr 9, 2020
White paper Comparing Isolated Amplifiers and Isolated Modulators (Rev. B) PDF | HTML Jun 4, 2024
Application note Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML Mar 29, 2023
Application brief Comparing shunt- and hall-based isolated current-sensing solutions in HEV/EV (Rev. C) PDF | HTML Mar 28, 2023

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

AMC1035EVM — AMC1035 evaluation module

The AMC1035 evaluation module (EVM) is a platform for evaluating the AMC1035, which is a single-channel delta-sigma modulator designed for voltage, current, and temperature sensing. AMC1035EVM allows the user to explore all of the features of the AMC1035.

User guide: PDF | HTML
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Simulation model

AMC1035 IBIS Model

SBAM408.ZIP (38 KB) - IBIS model
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Calculation tool

SBAR010 — Delta Sigma Modulator Filter Calculator

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Calculation tool

SBAR013 — Isolated Amplifier Voltage Sensing Excel Calculator

This calculator provides estimates of the errors associated with using isolation amplifier devices in a voltage sensing configuration.
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Calculation tool

SBAR020 — Isolated Amplifier Current Sensing Excel Calculator

This calculator provides estimates of the errors associated with using isolation amplifier devices in a current sensing configuration.
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