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AMC1303E2520DWV +BOM

Isolated Module 16 b 78k CMOS, Serial 8-SOIC

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

AMC1303E2520DWV
Datasheet:

AMC1303E2520DWV Datasheet (PDF)
Type:

Isolated Module
Number Of Channels:

1
Resolution (Bits):

16 b
Sampling Rate (Per Second):

78k
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AMC1303E2520DWV General Description

The AMC1303 (AMC1303x0510, AMC1303x0520, AMC1303x2510, and AMC1303x2520) is a family of precision, delta-sigma (ΔΣ) modulators 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 V_PK 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 AMC1303 is optimized for direct connection to shunt resistors or other low voltage-level signal sources. The ±50-mV input voltage range option allows significant reduction of the power dissipation through the shunt. The output bit-stream of the AMC1303 is synchronized to the internally generated clock and is Manchester coded (AMC1303Ex) or uncoded (AMC1303Mx). 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 an effective output data rate of 78 kSPS.

The bitstream output of the Manchester coded AMC1303Ex versions supports single-wire data and clock transfer without having to consider the setup and hold time requirements of the receiving device.

Key Features

Pin-compatible family optimized for shunt-resistor-based current measurements:
- ±50-mV or ±250-mV input voltage ranges
- Manchester coded or uncoded bistream options
- 10-MHz and 20-MHz clock 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-V_PK reinforced isolation per DIN VDE V 0884-11: 2017-01
- 5000-V_RMS 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

Specifications

Category	Integrated Circuits (ICs)Data AcquisitionADCs/DACs - Special Purpose	Series	-
Type	Isolated Module	Number of Channels	1
Resolution (Bits)	16 b	Sampling Rate (Per Second)	78k
Data Interface	CMOS, Serial	Voltage Supply Source	Analog and Digital
Voltage - Supply	2.7V ~ 5.5V	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Base Product Number	AMC1303