Product details

Device type Current sensing Peak-to-peak input voltage range (V) 50mV Interface type Serial CMOS Sample rate (max) (Msps) 21 Rating Catalog CMTI (min) (kV/µs) 15 Number of input channels 1 Architecture Delta-Sigma SNR (dB) 82.5 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 45 SFDR (dB) 83 Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 4000 Working isolation voltage (VIOWM) (Vrms) 600 Transient isolation voltage (VIOTM) (VPK) 5.657 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) 21 Rating Catalog CMTI (min) (kV/µs) 15 Number of input channels 1 Architecture Delta-Sigma SNR (dB) 82.5 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 45 SFDR (dB) 83 Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 4000 Working isolation voltage (VIOWM) (Vrms) 600 Transient isolation voltage (VIOTM) (VPK) 5.657 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5
SOIC (DWV) 8 67.275 mm² 5.85 x 11.5
  • ±50-mV input voltage range optimized for current measurement with shunt resistors
  • Manchester coded or uncoded bitstream options
  • Excellent DC performance for high-precision sensing on system level:
    • Offset error and drift: ±50 µV, ±1 µV/°C (max)
    • Gain error and drift: ±0.2%, ±40 ppm/°C (max)
  • 3.3-V operation for reduced power dissipation on both sides of the isolation barrier
  • System-level diagnostic features
  • High electromagnetic field immunity
    (see the ISO72x Digital Isolator Magnetic-Field Immunity application report)
  • Safety-related certifications:
    • 5657-VPK basic isolation per DIN VDE V 0884-11: 2017-01
    • 4000-VRMS isolation for 1 minute per UL1577
    • CAN/CSA No. 5A-component acceptance service notice
      and DIN EN 61010-1 end equipment standard
  • ±50-mV input voltage range optimized for current measurement with shunt resistors
  • Manchester coded or uncoded bitstream options
  • Excellent DC performance for high-precision sensing on system level:
    • Offset error and drift: ±50 µV, ±1 µV/°C (max)
    • Gain error and drift: ±0.2%, ±40 ppm/°C (max)
  • 3.3-V operation for reduced power dissipation on both sides of the isolation barrier
  • System-level diagnostic features
  • High electromagnetic field immunity
    (see the ISO72x Digital Isolator Magnetic-Field Immunity application report)
  • Safety-related certifications:
    • 5657-VPK basic isolation per DIN VDE V 0884-11: 2017-01
    • 4000-VRMS isolation for 1 minute per UL1577
    • CAN/CSA No. 5A-component acceptance service notice
      and DIN EN 61010-1 end equipment standard

The AMC1106 is a precision, delta-sigma (ΔΣ) modulator with the output separated from the input circuitry by a capacitive isolation barrier that is highly resistant to magnetic interference.

The input stage of the AMC1106 is optimized for direct connection to shunt resistors or other low voltage-level signal sources commonly used in multi-phase electricity meters to achieve excellent ac and dc performance. The device low input voltage range of ±50-mV allows use of small shunt resistor values to minimize power dissipation. Decimate the output bitstream of the AMC1106 with an appropriate digital filter. The MSP430F67x, TMS320F2807x, and TMS320F2837x microcontrollers, and the AMC1210 integrate these digital filters for seamless operation with the AMC1106.

On the high-side, the modulator is supplied by a
3.3-V or 5-V power supply (AVDD). The isolated digital interface operates from a 3.0-V, 3.3-V, or 5-V power supply (DVDD).

The AMC1106 is specified over the extended industrial temperature range of –40°C to +125°C.

The AMC1106 is a precision, delta-sigma (ΔΣ) modulator with the output separated from the input circuitry by a capacitive isolation barrier that is highly resistant to magnetic interference.

The input stage of the AMC1106 is optimized for direct connection to shunt resistors or other low voltage-level signal sources commonly used in multi-phase electricity meters to achieve excellent ac and dc performance. The device low input voltage range of ±50-mV allows use of small shunt resistor values to minimize power dissipation. Decimate the output bitstream of the AMC1106 with an appropriate digital filter. The MSP430F67x, TMS320F2807x, and TMS320F2837x microcontrollers, and the AMC1210 integrate these digital filters for seamless operation with the AMC1106.

On the high-side, the modulator is supplied by a
3.3-V or 5-V power supply (AVDD). The isolated digital interface operates from a 3.0-V, 3.3-V, or 5-V power supply (DVDD).

The AMC1106 is specified over the extended industrial temperature range of –40°C to +125°C.

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Type Title Date
* Data sheet AMC1106x Small, High-Precision, Basic Isolated Delta-Sigma Modulators datasheet (Rev. B) PDF | HTML 30 Apr 2020
Certificate VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. W) 31 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 File E181974 Vol 4 Sec 1 (Rev. A) 05 Aug 2022
White paper Comparing isolated amplifiers and isolated modulators (Rev. A) 28 Feb 2019

Design & development

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Evaluation board

AMC1306EVM — AMC1306 small reinforced isolated modulator evaluation module

The AMC1306 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, AMC1306 (...)
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Supported products & hardware

Supported products & hardware

Products
Isolated ADCs
AMC1106E05 Small Basic Isolated Delta-Sigma Modulator With ±50mV Input and Manchester-Encoded CMOS Interface AMC1106M05 ±50-mV input, precision current sensing basic isolated modulator AMC1203 ±250-mV input, precision current sensing basic isolated modulator with int clock AMC1204 ±250-mV input, precision current sensing basic isolated modulator AMC1204-Q1 Automotive, ±250-mV input, precision current sensing basic isolated modulator AMC1210 4-channel digital filter for delta-sigma modulators AMC1303E0510 ±50-mV input, current sensing reinforced isolated modulator with 10-MHz int clock & Manchester code AMC1303E0520 ±50-mV input, current sensing reinforced isolated modulator with 20-MHz int clock & Manchester code AMC1303E2510 ±250-mV input, current sensing reinforced isolated modulator with 10-MHz int clock & Manchester code AMC1303E2520 ±250-mV input, current sensing reinforced isolated modulator with 20-MHz int clock & Manchester code AMC1303M0510 ±50-mV input, precision current sensing reinforced isolated modulator with 10-MHz int clock AMC1303M0520 ±50-mV input, precision current sensing reinforced isolated modulator with 20-MHz int clock AMC1303M2510 ±250-mV input, precision current sensing reinforced isolated modulator with 10-MHz int clock AMC1303M2520 ±250-mV input, precision current sensing reinforced isolated modulator with 20-MHz int clock AMC1304L05 ±50-mV input, precision current sensing reinforced isolated modulator with LDO & LVDS interface AMC1304L05-Q1 Automotive, ±50-mV input, current sensing reinforced isolated modulator with LDO & LVDS interface AMC1304L25 ±250-mV input, precision current sensing reinforced isolated modulator with LDO & LVDS Interface AMC1304L25-Q1 Automotive, ±250-mV input, current sensing reinforced isolated modulator with LDO & LVDS Interface AMC1304M05 ±50-mV input, precision current sensing reinforced isolated modulator with LDO AMC1304M05-Q1 Automotive, ±50-mV input, precision current sensing reinforced isolated modulator with LDO AMC1304M25 ±250-mV input, precision current sensing reinforced isolated modulator with LDO AMC1304M25-Q1 Automotive, ±250-mV input, precision current sensing reinforced isolated modulator with LDO AMC1305L25 ±250-mV input, precision current sensing reinforced isolated modulator with LVDS interface AMC1305L25-Q1 Automotive, ±250-mV input, current sensing reinforced isolated modulator with LVDS Interface AMC1305M05 ±50-mV input, precision current sensing reinforced isolated modulator AMC1305M05-Q1 Automotive, ±50-mV input, precision current sensing reinforced isolated modulator AMC1305M25 ±250-mV input, precision current sensing reinforced isolated modulator AMC1305M25-Q1 Automotive, ±250-mV input, precision current sensing reinforced isolated modulator AMC1306E05 ±50-mV input, precision current sensing reinforced isolated modulator with Manchester code AMC1306E25 ±250-mV input, precision current sensing reinforced isolated modulator with Manchester code AMC1306M05 ±50-mV input, precision current sensing reinforced isolated modulator AMC1306M25 ±250-mV input, precision current sensing reinforced isolated modulator AMC1336 ±1-V input, precision voltage sensing reinforced isolated modulator AMC1336-Q1 Automotive, ±1-V input, precision voltage sensing reinforced isolated delta-sigma modulator AMC3306M05 ±50-mV input, precision current sensing reinforced isolated modulator with integrated DC/DC AMC3306M25 ±250-mV input, precision current sensing reinforced isolated modulator with integrated DC/DC AMC3336 ±1-V input, precision voltage sensing reinforced isolated modulator with integrated DC/DC AMC3336-Q1 Automotive ±1-V input, precision voltage sensing reinforced isolated modulator with integrated DC/DC
Precision ADCs
ADS1202 Current-shunt delta-sigma modulator, 10MHz CLK, +/-250mV input, 16-bit resolution ADS1203 Current-shunt delta-sigma modulator, 10MHz CLK, +/-250mV input, 16-bit resolution, ext ref option ADS1204 Four Delta-Sigma Modulators, 10MHz CLK, 0-5V Input, 16-Bit Resolution ADS1205 Two 1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator ADS1208 10MHz Modulator With Built-in Current Excitation for Hall Sensors ADS1209 16-Bit, 10MHz, 2-Ch, Delta-Sigma Modulator AMC1035 Precision delta-sigma modulator with ±1-V bipolar input and 2.5-V reference output AMC1035-Q1 Automotive precision delta-sigma modulator with ±1-V bipolar input and 2.5-V reference output
Hardware development
Evaluation board
AMC1304L25EVM AMC1304L25 Evaluation Module
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SOIC (DWV) 8 View options

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