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AMC3336

ACTIVE

±1-V input, precision voltage sensing reinforced isolated modulator with integrated DC/DC

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Data sheet

AMC3336

ACTIVE
Data sheet Order now

Product details

Device type Voltage sensing Peak-to-peak input voltage range (V) 1V Interface type Serial CMOS Sample rate (max) (Msps) 21 Rating Catalog CMTI (min) (kV/µs) 90 Number of input channels 1 Architecture Delta-Sigma SNR (dB) 84 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 94.05 SFDR (dB) 96 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 1200 Transient isolation voltage (VIOTM) (VPK) 6 Creepage (min) (mm) 8 Clearance (min) (mm) 8
Device type Voltage sensing Peak-to-peak input voltage range (V) 1V Interface type Serial CMOS Sample rate (max) (Msps) 21 Rating Catalog CMTI (min) (kV/µs) 90 Number of input channels 1 Architecture Delta-Sigma SNR (dB) 84 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 94.05 SFDR (dB) 96 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 1200 Transient isolation voltage (VIOTM) (VPK) 6 Creepage (min) (mm) 8 Clearance (min) (mm) 8
SO-MOD (DWE) 16 106.09 mm² 10.3 x 10.3
  • 3.3-V or 5-V single supply with integrated DC/DC converter
  • ±1-V input voltage range optimized for voltage measurements
  • Input resistance: 1 GΩ (typ)
  • Low DC errors:
    • Offset error: ±0.3 mV (max)
    • Offset drift: ±4 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±40 ppm/°C (max)
  • High CMTI: 90 kV/µs (min)
  • System-level diagnostic features
  • Low EMI: Meets CISPR-11 and CISPR-25 standards
  • Safety-related certifications:
    • 6000-VPEAK reinforced isolation per DIN VDE V 0884-11
    • 4250-VRMS isolation for 1 minute per UL1577
  • Fully specified over the extended industrial temperature range: –40°C to +125°C
  • 3.3-V or 5-V single supply with integrated DC/DC converter
  • ±1-V input voltage range optimized for voltage measurements
  • Input resistance: 1 GΩ (typ)
  • Low DC errors:
    • Offset error: ±0.3 mV (max)
    • Offset drift: ±4 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±40 ppm/°C (max)
  • High CMTI: 90 kV/µs (min)
  • System-level diagnostic features
  • Low EMI: Meets CISPR-11 and CISPR-25 standards
  • Safety-related certifications:
    • 6000-VPEAK reinforced isolation per DIN VDE V 0884-11
    • 4250-VRMS isolation for 1 minute per UL1577
  • Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC3336 is a precision, isolated delta-sigma (ΔΣ) modulator, optimized for high-impedance AC voltage measurements. The fully integrated, isolated DC/DC converter allows single-supply operation from the low-side of the device, which makes the device a unique solution for space-constrained applications. The reinforced capacitive isolation barrier is certified according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1.2 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 AMC3336 is optimized for direct connection to a resistor network or other, high-impedance voltage-signal source. The excellent DC accuracy and low temperature drift support accurate voltage measurements over the extended industrial temperature range from –40°C to +125°C.

By using a digital filter (such as a sinc3 filter) to decimate the bitstream, the device can achieve 16 bits of resolution with a dynamic range of 85 dB at a data rate of 78 kSPS.

The AMC3336 is a precision, isolated delta-sigma (ΔΣ) modulator, optimized for high-impedance AC voltage measurements. The fully integrated, isolated DC/DC converter allows single-supply operation from the low-side of the device, which makes the device a unique solution for space-constrained applications. The reinforced capacitive isolation barrier is certified according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1.2 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 AMC3336 is optimized for direct connection to a resistor network or other, high-impedance voltage-signal source. The excellent DC accuracy and low temperature drift support accurate voltage measurements over the extended industrial temperature range from –40°C to +125°C.

By using a digital filter (such as a sinc3 filter) to decimate the bitstream, the device can achieve 16 bits of resolution with a dynamic range of 85 dB at a data rate of 78 kSPS.
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Technical documentation

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Type Title Date
* Data sheet AMC3336 High-Precision, ±1-V Input, Reinforced Isolated Delta-Sigma Modulator With Integrated DC/DC Converter datasheet PDF | HTML 26 Apr 2021
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. S) 29 Feb 2024
White paper 以可靠且經濟實惠的隔離技術解決高電壓設計挑戰 (Rev. C) PDF | HTML 15 Feb 2024
White paper Addressing High-Volt Design Challenges w/ Reliable and Affordable Isolation Tech (Rev. C) PDF | HTML 26 Sep 2023
White paper 높은 신뢰도와 합리적인 가격대의 절연 기술 개발과 관련한 고전압 설계 문제의 해결 (Rev. B) PDF | HTML 19 Sep 2023
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
Application note Best Practices to Attenuate AMC3301 Family Radiated Emissions EMI (Rev. A) PDF | HTML 22 Sep 2022
Application brief Achieving High-Performance Isolated Current and Voltage Sensing in Server PSUs PDF | HTML 21 Jul 2022
EVM User's guide AMC3306 and AMC3336 Evaluation Module User's Guide (Rev. A) PDF | HTML 23 Mar 2021
White paper Comparing isolated amplifiers and isolated modulators (Rev. A) 28 Feb 2019

Design & development

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Evaluation board

AMC3336EVM — AMC3336 evaluation module with integrated DC/DC converter and high CMTI

The AMC3336 evaluation module (EVM) is a platform for evaluating the AMC3336, a precision isolated modulator with an integrated DC/DC converter that powers the high side of the amplifier. AMC3336 is a 7-kV reinforced isolated modulator designed for use in current shunt measuring applications.

A (...)

User guide: PDF | HTML
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Calculation tool

SBAR010 — Delta Sigma Modulator Filter Calculator

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
ADS1201 — High Dynamic Range Delta-Sigma Modulator 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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Package Pins Download
SO-MOD (DWE) 16 View options
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