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See Technical Specifications

AMC1303E2520DWVR +BOM

±mV input range facilitates easy integration with various system

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

AMC1303E2520DWVR
Datasheet:

AMC1303E2520DWVR Datasheet (PDF)
Device Type:

Current sensing
Peak-to-peak Input Voltage Range (V):

250mV
Interface Type:

Serial CMOS
Sample Rate (max) (Msps):

20
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AMC1303E2520DWVR 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

Customizable firmware and software configurations
User-definable commands and APIs
Remote monitoring and control capabilities
Integration with third-party systems and protocols

Specifications

Device type	Current sensing	Peak-to-peak input voltage range (V)	250mV
Interface type	Serial CMOS	Sample rate (max) (Msps)	20
Rating	Catalog	CMTI (min) (kV/µs)	50
Number of input channels	1	Architecture	Delta-Sigma
SNR (dB)	84.5	Operating temperature range (°C)	-40 to 125
Power consumption (typ) (mW)	34.3	SFDR (dB)	100
Isolation rating	Reinforced	Withstand isolation voltage (VISO) (Vrms)	5000
Working isolation voltage (VIOWM) (Vrms)	1500	Transient isolation voltage (VIOTM) (VPK)	7
Creepage (min) (mm)	8.5	Clearance (min) (mm)	8.5
feature-resolution	16bit	feature-maximum-single-supply-voltage-v
feature-minimum-dual-supply-voltage-v		feature-maximum-dual-supply-voltage-v
feature-power-supply-type		feature-packaging	Tape and Reel
feature-minimum-single-supply-voltage-v		feature-rad-hard
feature-pin-count	8	feature-cecc-qualified
feature-esd-protection	Yes	feature-escc-qualified
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No