Small Reinforced Isolated Modulator With ±50mV Input and Manchester-Encoded CMOS Interface
Product details
Parameters
Package | Pins | Size
Features
- Pin-compatible family optimized for shunt-resistor-based current measurements:
- ±50-mV or ±250-mV input voltage ranges
- Manchester coded or uncoded bitstream options
- Excellent DC performance:
- Offset error: ±50 µV or ±100 µV (max)
- Offset drift: 1 µV/°C (max)
- Gain error: ±0.2% (max)
- Gain drift: ±40 ppm/°C (max)
- Transient immunity: 100 kV/µs (typ)
- System-level diagnostic features
- Safety-related certifications:
- 7000-VPEAK reinforced isolation per DIN VDE V 0884-11: 2017-01
- 5000-VRMS 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
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Description
The AMC1306 is a precision, delta-sigma (ΔΣ) modulator with the output separated from the input circuitry by a capacitive double isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced isolation of up to 7000 VPEAK according to the DIN VDE V 0884-11 and UL1577 standards. Used in conjunction with isolated power supplies, this isolated modulator separates parts of the system that operate on different common-mode voltage levels and protects lower-voltage parts from damage.
The input of the AMC1306 is optimized for direct connection to shunt resistors or other low voltage-level signal sources. The unique low input voltage range of the ±50-mV device allows significant reduction of the power dissipation through the shunt and supports excellent ac and dc performance. The output bitstream of the AMC1306 is Manchester coded (AMC1306Ex) or uncoded (AMC1306Mx), depending on the derivate. By using an integrated digital filter (such as those in the TMS320F2807x or TMS320F2837x microcontroller families) 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 bitstream output of the Manchester coded AMC1306Ex versions support single-wire data and clock transfer without having to consider the setup and hold time requirements of the receiving device.
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | AMC1306x Small, High-Precision, Reinforced Isolated Delta-Sigma Modulators With High CMTI datasheet (Rev. C) | Jan. 16, 2020 |
User guide | AMC1303, AMC1306, and AMC1336 Evaluation Module User's Guide (Rev. B) | Dec. 16, 2019 | |
More literature | Nonoptical Isolating Devices UL 1577 Certificate of Compliance (Rev. B) | Nov. 26, 2018 | |
Technical article | Get cerTIfied, not certi-FRIED! Electromagnetic compatibility testing explained (Part 4) | Feb. 06, 2015 | |
Technical article | Using delta-sigma modulators for isolated high-voltage measurements | Jan. 09, 2015 | |
Technical article | Part III: Get CerTIfied, not certi-FRIED! Electromagnetic compatibility testing explained | Dec. 02, 2014 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
Features
- Full-featured evaluation board for the AMC1306 single-channel delta-sigma modulators
- Configurable AVDD and DVDD power supplies
- Screw terminals for easy access to analog inputs and digital outputs
Design tools & simulation
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
SOIC (DWV) | 8 | View options |
Ordering & quality
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