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AMC1200-Q1

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Automotive, ±250-mV input, precision current sensing basic isolated amplifier

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Data sheet

AMC1200-Q1

ACTIVE
Data sheet Order now

Product details

Device type Current sensing Peak-to-peak input voltage range (V) 0.25 Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 800 Transient isolation voltage (VIOTM) (VPK) 4250 CMTI (min) (kV/µs) 10 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0015 Input offset drift (±) (typ) (µV/°C) 1.5 Rating Automotive Operating temperature range (°C) -40 to 105
Device type Current sensing Peak-to-peak input voltage range (V) 0.25 Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 800 Transient isolation voltage (VIOTM) (VPK) 4250 CMTI (min) (kV/µs) 10 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0015 Input offset drift (±) (typ) (µV/°C) 1.5 Rating Automotive Operating temperature range (°C) -40 to 105
SOIC (DWV) 8 67.275 mm² 5.85 x 11.5 SOP (DUB) 8 98.8 mm² 9.5 x 10.4
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 2: –40°C to 105°C
    • HBM ESD Classification Level H2
    • CDM ESD Classification Level C3B
  • ±250-mV Input Voltage Range Optimized for
    Shunt Resistors
  • Very Low Nonlinearity: 0.075% (max)
    with 5-V High-Side Supply
  • Low Offset Error: 1.5 mV (max)
  • Low Noise: 3.1 mVRMS (typical)
  • Low High-Side Supply Current:
    8 mA (max) at 5 V
  • Input Bandwidth: 60 kHz (min)
  • Fixed Gain: 8 (0.5% accuracy)
  • High Common-Mode Rejection Ratio:
    108 dB (typical)
  • 3.3-V Operation on Low-Side
  • Certified Galvanic Isolation:
    • UL1577 and VDE V 0884-10 Approved
    • Isolation Voltage: 4250 VPEAK
    • Working Voltage: 1200 VPEAK
    • Transient Immunity: 10 kV/\xECs (min)
  • Typical 10-Year Lifespan at Rated Working
    Voltage (see Application Report, SLLA197
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 2: –40°C to 105°C
    • HBM ESD Classification Level H2
    • CDM ESD Classification Level C3B
  • ±250-mV Input Voltage Range Optimized for
    Shunt Resistors
  • Very Low Nonlinearity: 0.075% (max)
    with 5-V High-Side Supply
  • Low Offset Error: 1.5 mV (max)
  • Low Noise: 3.1 mVRMS (typical)
  • Low High-Side Supply Current:
    8 mA (max) at 5 V
  • Input Bandwidth: 60 kHz (min)
  • Fixed Gain: 8 (0.5% accuracy)
  • High Common-Mode Rejection Ratio:
    108 dB (typical)
  • 3.3-V Operation on Low-Side
  • Certified Galvanic Isolation:
    • UL1577 and VDE V 0884-10 Approved
    • Isolation Voltage: 4250 VPEAK
    • Working Voltage: 1200 VPEAK
    • Transient Immunity: 10 kV/\xECs (min)
  • Typical 10-Year Lifespan at Rated Working
    Voltage (see Application Report, SLLA197

The AMC1200-Q1 is a precision isolation amplifier with the output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier is certified to provide galvanic isolation of up to 4250 VPEAK according to UL1577 and VDE V 0884-10. Used in conjunction with isolated power supplies, this device prevents noise currents on a high common-mode voltage line from entering the local ground and interfering with or damaging sensitive circuitry.

The input of the AMC1200-Q1 is optimized for direct connection to shunt resistors or other low-voltage level signal sources. The performance of the device supports accurate current control, resulting in systemlevel power saving and (especially in motor-control applications) lower torque ripple. The common-mode voltage of the output signal is automatically adjusted to either the 3-V or 5-V low-side supply.

The AMC1200-Q1 is available in a wide-body, 8-pin SOIC package (DWV) and a gullwing, 8-pin SOP package (DUB).

The AMC1200-Q1 is a precision isolation amplifier with the output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier is certified to provide galvanic isolation of up to 4250 VPEAK according to UL1577 and VDE V 0884-10. Used in conjunction with isolated power supplies, this device prevents noise currents on a high common-mode voltage line from entering the local ground and interfering with or damaging sensitive circuitry.

The input of the AMC1200-Q1 is optimized for direct connection to shunt resistors or other low-voltage level signal sources. The performance of the device supports accurate current control, resulting in systemlevel power saving and (especially in motor-control applications) lower torque ripple. The common-mode voltage of the output signal is automatically adjusted to either the 3-V or 5-V low-side supply.

The AMC1200-Q1 is available in a wide-body, 8-pin SOIC package (DWV) and a gullwing, 8-pin SOP package (DUB).
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Technical documentation

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Type Title Date
* Data sheet AMC1200-Q1 Fully-Differential Isolation Amplifier datasheet (Rev. A) PDF | HTML 29 Jan 2016
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
Application brief HEV/EV의 션트 및 홀 기반 절연 전류 감지 솔루션 비교 (Rev. C) PDF | HTML 16 Jul 2024
Application brief Vergleich von isolierten Shunt- und Hall-basierten Strommesslösungen in Hybrid- und Elektrofahrzeugen (Rev. C) PDF | HTML 16 Jul 2024
White paper Vergleich isolierter Verstärker und isolierter Modulatoren (Rev. B) PDF | HTML 02 Jul 2024
White paper 절연 증폭기와 절연 모듈레이터 비교 (Rev. B) PDF | HTML 02 Jul 2024
Application brief Anschluss eines Differenzialausgangsverstärkers (isoliert) an einen A/D-Wandler mit unsymmetrischem Eingang (Rev. B) PDF | HTML 27 Jun 2024
Application brief 단일 종단 입력 ADC에 차동 출력(절연) 증폭기 인터페이싱 (Rev. B) PDF | HTML 27 Jun 2024
White paper Comparing Isolated Amplifiers and Isolated Modulators (Rev. B) PDF | HTML 04 Jun 2024
Certificate VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. W) 31 Jan 2024
Application brief Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC (Rev. B) PDF | HTML 02 Jun 2023
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML 04 May 2023
Application brief Comparing shunt- and hall-based isolated current-sensing solutions in HEV/EV (Rev. C) PDF | HTML 28 Mar 2023
Certificate UL Certificate of Compliance File E181974 Vol 4 Sec 1 (Rev. A) 05 Aug 2022
Certificate CSA Certification (Certificate: 220991) (Rev. A) 23 Oct 2015
EVM User's guide AMC1200EVM User Guide (Rev. A) 30 Jul 2013

Design & development

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Evaluation board

AMC1200EVM — AMC1200 evaluation module for ±250-mV-input basic isolated amplifier for current sensing

The AMC1200 is an isolated single-channel analog amplifier an output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. The AMC1200 is used in high-resolution measurement applications including current monitoring, industrial (...)

User guide: PDF
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Simulation model

AMC1200 TINA-TI Reference Design

SBAM098.ZIP (24 KB) - TINA-TI Reference Design
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Simulation model

AMC1200 TINA-TI Spice Model

SBAM097.ZIP (11 KB) - TINA-TI Spice Model
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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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SOP (DUB) 8 Ultra Librarian
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