Product details

Device type Current sensing Peak-to-peak input voltage range (V) 0.25 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Working isolation voltage (VIOWM) (Vrms) 1500 Transient isolation voltage (VIOTM) (VPK) 7071 CMTI (min) (kV/µs) 75 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0002 Input offset drift (±) (typ) (V/°C) 0.000001 Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable
Device type Current sensing Peak-to-peak input voltage range (V) 0.25 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Working isolation voltage (VIOWM) (Vrms) 1500 Transient isolation voltage (VIOTM) (VPK) 7071 CMTI (min) (kV/µs) 75 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0002 Input offset drift (±) (typ) (V/°C) 0.000001 Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable
SOIC (DWV) 8 67.275 mm² 5.85 x 11.5
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Functional Safety-Capable
  • ±250-mV input voltage range optimized for current measurements using shunt resistors
  • Fixed gain: 8.2 V/V
  • Low DC errors:
    • Offset error: ±0.2 mV (max)
    • Offset drift: ±0.9 µV/°C (max)
    • Gain error: ±0.3% (max)
    • Gain drift: ±30 ppm/°C (max)
    • Nonlinearity: 0.03% (max)
  • 3.3-V or 5-V operation on high-side and low-side
  • Fail-safe output
  • High CMTI: 100 kV/µs (min)
  • Low EMI, meets CISPR-11 and CISPR-25 standards
  • Safety-related certifications:
    • 7071-VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000-VRMS isolation for 1 minute per UL1577
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Functional Safety-Capable
  • ±250-mV input voltage range optimized for current measurements using shunt resistors
  • Fixed gain: 8.2 V/V
  • Low DC errors:
    • Offset error: ±0.2 mV (max)
    • Offset drift: ±0.9 µV/°C (max)
    • Gain error: ±0.3% (max)
    • Gain drift: ±30 ppm/°C (max)
    • Nonlinearity: 0.03% (max)
  • 3.3-V or 5-V operation on high-side and low-side
  • Fail-safe output
  • High CMTI: 100 kV/µs (min)
  • Low EMI, meets CISPR-11 and CISPR-25 standards
  • Safety-related certifications:
    • 7071-VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000-VRMS isolation for 1 minute per UL1577

The AMC1300B-Q1 is a precision, isolated amplifier with an output separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 5 kVRMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577, and supports a working voltage of up to 1.5 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from hazardous voltages and damage.

The input of the AMC1300B-Q1 is optimized for direct connection to a low-impedance shunt resistor or other low-impedance voltage source with low signal levels. The excellent DC accuracy and low temperature drift supports accurate current control in PFC stages, DC/DC converters, traction inverters, and OBCs over the full automotive temperature range from –40°C to +125°C.

The integrated missing-shunt and missing high-side supply detection features simplify system-level design and diagnostics.

The AMC1300B-Q1 is a precision, isolated amplifier with an output separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 5 kVRMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577, and supports a working voltage of up to 1.5 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from hazardous voltages and damage.

The input of the AMC1300B-Q1 is optimized for direct connection to a low-impedance shunt resistor or other low-impedance voltage source with low signal levels. The excellent DC accuracy and low temperature drift supports accurate current control in PFC stages, DC/DC converters, traction inverters, and OBCs over the full automotive temperature range from –40°C to +125°C.

The integrated missing-shunt and missing high-side supply detection features simplify system-level design and diagnostics.

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Technical documentation

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Type Title Date
* Data sheet AMC1300B-Q1 Automotive, Precision, ±250-mV Input, Reinforced Isolated Amplifier datasheet (Rev. B) PDF | HTML 15 Jun 2022
Application note Designing a Bootstrap Charge-Pump Power Supply for an Isolated Amplifier PDF | HTML 25 Sep 2023
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
White paper Best in Class Radiated Emissions EMI Performance with Isolated Amplifiers (Rev. A) PDF | HTML 15 Mar 2023
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. R) 12 Jul 2022
Circuit design Isolated Current-Sensing Circuit W/ ±250-mV Input Range & Single-Ended Output PDF | HTML 27 Jun 2022
Functional safety information AMC1300B-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 15 Dec 2021
Application note Isolated Voltage-Measurement Circuit With ±250-mV Input and Differential Output (Rev. A) 09 Sep 2021
Analog Design Journal Design considerations for isolated current sensing 18 Mar 2021
Circuit design Isolated current-measurement circuit with ±250-mV input and differential output 23 Jul 2020
White paper Comparing isolated amplifiers and isolated modulators (Rev. A) 28 Feb 2019
EVM User's guide AMC130x Evaluation Module User's Guide (Rev. C) 28 Jun 2018

Design & development

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Evaluation board

AMC1300EVM — AMC1300 ±250-mV input, reinforced isolated amplifier with high CMTI evaluation module

The AMC1300 evaluation module (EVM) is a platform for evaluating the AMC1300, which is a 7-kV reinforced isolation amplifier designed for use in current shunt measuring applications. AMC1300EVM allows the user to explore all the features of the AMC1300.

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AMC1300 and AMC1300B-Q1 PSpice Model (Rev. A)

SBAM460A.ZIP (12 KB) - PSpice Model
Simulation model

AMC13xx TINA-TI SPICE Model for Isolated Voltage-Measurement Circuit

SBAM448.TSC (43 KB) - TINA-TI Spice Model
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Supported products & hardware

Supported products & hardware

Products
Isolated amplifiers
AMC1202 ±50-mV input, precision current sensing basic isolated amplifier AMC1211-Q1 2-V input, precision voltage sensing basic isolated amplifier AMC1300 ±250-mV input, precision current sensing reinforced isolated amplifier AMC1300B-Q1 Automotive, ±250-mV input, precision current sensing reinforced isolated amplifier AMC1301 ±250 mV-Input Precision Reinforced Isolated Amplifier for Current Sensing AMC1301-Q1 Automotive Precision ±250mV-Input 3µs-Delay Reinforced Isolated Amplifier AMC1302 ±50-mV input, precision current sensing reinforced isolated amplifier AMC1302-Q1 Automotive, ±50-mV input, precision current sensing reinforced isolated amplifier AMC1311 2-V input, precision voltage sensing reinforced isolated amplifier AMC1311-Q1 Automotive, 2-V input, precision voltage sensing reinforced isolated amplifier AMC1350 ±5-V input, precision voltage sensing reinforced isolated amplifier AMC1351 0-V to 5-V input, precision voltage sensing reinforced isolated amplifier AMC1400 ±250-mV input, precision, current-sensing, reinforced isolated amplifier with high CMTI AMC1400-Q1 Automotive, ±250-mV input, precision, voltage-sensing, reinforced isolated amplifier with high CMTI AMC1411 2-V input, precision voltage sensing reinforced isolated amplifier with high CMTI AMC1411-Q1 Automotive, 2-V input, precision voltage sensing reinforced isolated amplifier with high CMTI AMC3301 ±250-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC AMC3301-Q1 Automotive, ±250-mV input, precision current sensing reinforced isolated amplifier with int. DC/DC AMC3302 ±50-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC AMC3302-Q1 Automotive, ±50-mV input, precision current sensing reinforced isolated amplifier with int. DC/DC AMC3330 ±1-V input, precision voltage sensing reinforced isolated amplifier with integrated DC/DC AMC3330-Q1 Automotive, ±1-V input, precision voltage sensing reinforced isolated amplifier with int. DC/DC ISO224 ±12-V input, precision voltage sensing reinforced isolated amplifier
Calculation tool

SBAR020 Isolated Amplifier Current Sensing Excel Calculator

Supported products & hardware

Supported products & hardware

Products
Isolated amplifiers
AMC1202 ±50-mV input, precision current sensing basic isolated amplifier AMC1300 ±250-mV input, precision current sensing reinforced isolated amplifier AMC1300B-Q1 Automotive, ±250-mV input, precision current sensing reinforced isolated amplifier AMC1301 ±250 mV-Input Precision Reinforced Isolated Amplifier for Current Sensing AMC1301-Q1 Automotive Precision ±250mV-Input 3µs-Delay Reinforced Isolated Amplifier AMC1302 ±50-mV input, precision current sensing reinforced isolated amplifier AMC1302-Q1 Automotive, ±50-mV input, precision current sensing reinforced isolated amplifier AMC1311 2-V input, precision voltage sensing reinforced isolated amplifier AMC1311-Q1 Automotive, 2-V input, precision voltage sensing reinforced isolated amplifier AMC1350 ±5-V input, precision voltage sensing reinforced isolated amplifier AMC1351 0-V to 5-V input, precision voltage sensing reinforced isolated amplifier AMC1400 ±250-mV input, precision, current-sensing, reinforced isolated amplifier with high CMTI AMC1400-Q1 Automotive, ±250-mV input, precision, voltage-sensing, reinforced isolated amplifier with high CMTI AMC1411 2-V input, precision voltage sensing reinforced isolated amplifier with high CMTI AMC1411-Q1 Automotive, 2-V input, precision voltage sensing reinforced isolated amplifier with high CMTI AMC3301 ±250-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC AMC3301-Q1 Automotive, ±250-mV input, precision current sensing reinforced isolated amplifier with int. DC/DC AMC3302 ±50-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC AMC3302-Q1 Automotive, ±50-mV input, precision current sensing reinforced isolated amplifier with int. DC/DC AMC3330 ±1-V input, precision voltage sensing reinforced isolated amplifier with integrated DC/DC AMC3330-Q1 Automotive, ±1-V input, precision voltage sensing reinforced isolated amplifier with int. DC/DC ISO224 ±12-V input, precision voltage sensing reinforced isolated amplifier
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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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