AMC1304M25DW Part Information

Details for AMC1304M25DW by Texas Instruments

Semiconductors - ICs > Data & Signal Conversion > Analog-to-Digital Converters - ADC

Part Description

The AMC1304 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 V VDE V 0884-10, UL1577 and CSA standards. Used in conjunction with isolated power supplies, the device prevents noise currents on a high common-mode voltage line from entering the local system ground and interfering with or damaging low voltage circuitry. The input of the AMC1304 is optimized for direct connection to shunt resistors or other low voltagelevel signal sources. The unique low input voltage range of the ±50-mV device allows significant reduction of the power dissipation through the shunt while supporting excellent ac and dc performance. By using an appropriate digital filter (that is, as integrated on the TMS320F2807x or TMS320F2837x families) to decimate the bit stream, the device can achieve 16 bits of resolution with a dynamic range of 81 dB (13.2 ENOB) at a data rate of 78 kSPS. On the high-side, the modulator is supplied by an integrated low-dropout (LDO) regulator that allows an unregulated input voltage between 4 V and 18 V (LDOIN). The isolated digital interface operates from a 3.3-V or 5-V power supply (DVDD). The AMC1304 is available in a wide-body SOIC-16 (DW) package and is specified from –40°C to +125°C.

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Part Features

  • Excellent DC Performance Supporting High- Precision Sensing on System Level: u2013 Offset Error: u00b150 u00b5V or u00b1100 u00b5V (max) u2013 Offset Drift: 1.3 u00b5V/u00b0C (max) u2013 Gain Error: u00b10.2% or u00b10.3% (max) u2013 Gain Drift: u00b140 ppm/u00b0C (max)
  • External 5-MHz to 20-MHz Clock Input for Easier System-Level Synchronization
  • Fully Specified Over the Extended Industrial
  • High Electromagnetic Field Immunity (see Application Note SLLA181A)
  • On-Chip 18-V LDO Regulator
  • Pin-Compatible Family Optimized for Shunt- Resistor-Based Current Measurements: u2013 u00b150-mV or u00b1250-mV Input Voltage Ranges u2013 CMOS or LVDS Digital Interface Options
  • Safety-Related Certifications: u2013 7000-VPK Reinforced Isolation per DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 u2013 5000-VRMS Isolation for 1 Minute per UL1577 u2013 CAN/CSA No. 5A-Component Acceptance Service Notice, IEC 60950-1, and IEC 60065 End Equipment Standards
  • Transient Immunity: 15 kV/u00b5s (min)

Part Specifications

Resolution (Bits) 16bit
Sampling Rate 20MSPS
Input Channel Type Differential
Data Interface Serial
Supply Voltage Type Single
Supply Voltage Min 3V
Supply Voltage Max 5.5V
ADC / DAC Case Style WSOIC
No. of Pins 16Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range Single 16-Bit Sigma-Delta ADCs
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 3 - 168 hours
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • ADC, 16BIT, 20MSPS, SERIAL, WSOIC-16; Resolution (Bits):16bit; Sampling Rate:20MSPS; Input Channel Type:Differential; Data Interface:Serial; Supply Voltage Type:Single; Supply Voltage Min:3V; Supply Voltage Max:5.5V; ADC / DAC Case RoHS Compliant: Yes | Newark Electronics
  • Reinforced Isolated Modulator With LDO Regulator, ±250mV Input, and CMOS Interface | Texas Instruments

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