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AMC1303M0510

ACTIVE

±50-mV input, precision current sensing reinforced isolated modulator with 10-MHz int clock

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Data sheet

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NEW AMC0303M0510 ACTIVE Precision, +/-50-mV Input, reinforced isolated delta-sigma modulator with 10 MHz internal clock Drop in replacement for AMC13xx

AMC1303M0510

ACTIVE
Data sheet Order now

Product details

Device type Current sensing Peak-to-peak input voltage range (V) 50mV Interface type Serial CMOS Sample rate (max) (Msps) 10 Rating Catalog CMTI (min) (kV/µs) 50 Number of input channels 1 Architecture Delta-Sigma SNR (dB) 85 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 29.4 SFDR (dB) 98 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Working isolation voltage (VIOWM) (Vrms) 1500 Transient isolation voltage (VIOTM) (VPK) 7 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5
Device type Current sensing Peak-to-peak input voltage range (V) 50mV Interface type Serial CMOS Sample rate (max) (Msps) 10 Rating Catalog CMTI (min) (kV/µs) 50 Number of input channels 1 Architecture Delta-Sigma SNR (dB) 85 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 29.4 SFDR (dB) 98 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Working isolation voltage (VIOWM) (Vrms) 1500 Transient isolation voltage (VIOTM) (VPK) 7 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5
SOIC (DWV) 8 67.275 mm² 5.85 x 11.5
  • Pin-compatible family optimized for shunt-resistor-based current measurements:
    • ±50mV or ±250mV input voltage ranges
    • Manchester-coded or uncoded bitstream options
    • 10MHz and 20MHz clock options
  • Excellent DC performance:
    • Offset error: ±50µV or ±100µV (max)
    • Offset drift: ±1µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±40ppm/°C (max)
  • Transient immunity: 100kV/µs (typ)
  • System-level diagnostic features
  • Safety-related certifications:
    • 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL1577
    • CAN/CSA no. 5A-component acceptance service notice and IEC 62368-1 end equipment standard
  • Fully specified over the extended industrial temperature range: –40°C to +125°C
  • Pin-compatible family optimized for shunt-resistor-based current measurements:
    • ±50mV or ±250mV input voltage ranges
    • Manchester-coded or uncoded bitstream options
    • 10MHz and 20MHz clock options
  • Excellent DC performance:
    • Offset error: ±50µV or ±100µV (max)
    • Offset drift: ±1µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±40ppm/°C (max)
  • Transient immunity: 100kV/µs (typ)
  • System-level diagnostic features
  • Safety-related certifications:
    • 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL1577
    • CAN/CSA no. 5A-component acceptance service notice and IEC 62368-1 end equipment standard
  • Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC1303 (AMC1303x0510, AMC1303x0520, AMC1303x2510, and AMC1303x2520) is a family of precision, isolated delta-sigma (ΔΣ) modulators. The output is separated from the input circuitry by a capacitive isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced isolation of up to 7000VPK according to the DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 standards, and supports a working voltage up to 1.5kVRMS

The input of the AMC1303 device is optimized for direct connection to shunt resistors or other, low-impedance signal sources. The small size, high DC accuracy, low temperature drift, and high common-mode transient immunity (CMTI) support accurate isolated current sensing in noisy high-voltage applications.

The output bitstream of the AMC1303 is synchronized to the internally generated clock and is Manchester coded (AMC1303Ex) or uncoded (AMC1303Mx). Combined with a digital low-pass filter (such as a Sinc-filter) the device achieves 85dB of dynamic range at an effective output data rate of 78kSPS.

The AMC1303 (AMC1303x0510, AMC1303x0520, AMC1303x2510, and AMC1303x2520) is a family of precision, isolated delta-sigma (ΔΣ) modulators. The output is separated from the input circuitry by a capacitive isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced isolation of up to 7000VPK according to the DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 standards, and supports a working voltage up to 1.5kVRMS

The input of the AMC1303 device is optimized for direct connection to shunt resistors or other, low-impedance signal sources. The small size, high DC accuracy, low temperature drift, and high common-mode transient immunity (CMTI) support accurate isolated current sensing in noisy high-voltage applications.

The output bitstream of the AMC1303 is synchronized to the internally generated clock and is Manchester coded (AMC1303Ex) or uncoded (AMC1303Mx). Combined with a digital low-pass filter (such as a Sinc-filter) the device achieves 85dB of dynamic range at an effective output data rate of 78kSPS.
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Technical documentation

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* Data sheet AMC1303x Small, High-Precision, Reinforced Isolated Delta-Sigma Modulators With Internal Clock datasheet (Rev. D) PDF | HTML 29 Oct 2024
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. Z) 08 Jan 2026
White paper Vergleich isolierter Verstärker und isolierter Modulatoren (Rev. B) PDF | HTML 19 Aug 2024
White paper 절연 증폭기와 절연 모듈레이터 비교 (Rev. B) PDF | HTML 19 Aug 2024
Application brief Shunt-Widerstandsauswahl für isolierte Datenwandler PDF | HTML 15 Aug 2024
Application brief 절연 데이터 컨버터를 위한 션트 레지스터 선택 PDF | HTML 15 Aug 2024
White paper Comparing Isolated Amplifiers and Isolated Modulators (Rev. B) PDF | HTML 04 Jun 2024
Application note Clock Edge Delay Compensation With Isolated Modulators Digital Interface to MCUs (Rev. A) PDF | HTML 12 Jan 2024
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML 04 May 2023
Application note Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 29 Mar 2023
Certificate UL Certificate of Compliance Vol4 Sec5 E181974 (Rev. A) 23 Jan 2023
Certificate TUEV Technical Report No. 713203936 20 Oct 2021

Design & development

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Evaluation board

AMC1303EVM — AMC1303 small, high-precision, reinforced isolated modulator evaluation module

The AMC1303 devices are 1-bit modulators with an output buffer separated from the input interface circuitry by a silicon dioxide (SiO2) isolation barrier. The isolation barrier provides galvanic isolation of up to 8000 VPEAK. When used in combination with an FPGA or other digital filter, AMC1303 (...)
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Simulation model

AMC1303X IBIS Model

SBAM327.ZIP (29 KB) - IBIS Model
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Calculation tool

MODULATOR-TIMING-EXCEL-CALC — Isolated Modulator Digital Communication Timing Calculation Tool

Use this excel calculator to confirm the correct clock setup and hold timing compensation method with an isolated modulator and SDFM controller.
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SBAR013 — Isolated Amplifier Voltage Sensing Excel Calculator

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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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Supported products & hardware
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