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Details for AMC1204BDWVR by Texas Instruments
Semiconductors - ICs > Data & Signal Conversion > Analog-to-Digital Converters - ADC
DELTA-SIGMA MOD 16BIT 78KSPS SOIC-8
AMC1204BDWVR image

AMC1204BDWVR by Texas Instruments

DELTA-SIGMA MOD 16BIT 78KSPS SOIC-8
Features
Certified Digital Isolation: u2013 CSA, VDE V 0884-10, and UL1577 Approved u2013 Isolation Voltage: 4250 VPEAK (AMC1204B) u2013 Working Voltage: 1200 VPEAK u2013 Transient Immunity: 15 kV/u00b5s
Excellent DC Precision: u2013 INL: u00b18LSB (Maximum) u2013 Gain Error: u00b12% (Maximum)
External Clock Input for Easier Synchronization
Fully Specified Over the Extended Industrial
High Electromagnetic Field Immunity (see Application Note SLLA181A)
Long Isolation Barrier Lifetime (see Application Report SLLA197)
Outstanding AC Performance: u2013 SNR: 84 dB (Minimum) u2013 THD: u201380 dB (Maximum)
u00b1250-mV Input Voltage Range Optimized for Shunt Resistors
Part Information
AMC1204BDWVR image
RoHS Compliant
Description
The AMC1204 and AMC1204B are 1-bit digital output, isolated delta-sigma (ΔΣ) modulators that can be clocked at up to 20 MHz. The digital isolation of the modulator output is provided by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier has been certified to provide basic galvanic isolation of up to 4000 VPEAK (AMC1204) and 4250 VPEAK (AMC1204B) according to UL1577, VDE V 0884-10, and CSA standards or specifications. The AMC1204 and AMC1204B provide a single-chip solution for measuring the small signal of a shunt resistor across an isolated barrier. These types of resistors are typically used to sense currents in motor control inverters, green energy generation systems, and other industrial applications. The AMC1204 and AMC1204B differential inputs easily connect to the shunt resistor or other low-level signal sources. An internal reference eliminates the need for external components. When used with an appropriate external digital filter, an effective number of bits (ENOB) of 14 is achieved at a data rate of 78 kSPS. A 5-V analog supply (AVDD) is used by the modulator while the isolated digital interface operates from a 3-V, 3.3-V, or 5-V supply (DVDD). The AMC1204 and AMC1204B are available in SOIC-16 (DW) and SOIC-8 (DWV) packages and are specified from –40°C to 105°C.
Specifications
Resolution (Bits):
16bit
Sampling Rate:
78kSPS
Input Channel Type:
Differential
Data Interface:
Serial
Supply Voltage Type:
Single
Supply Voltage Min:
4.5V
Supply Voltage Max:
5.5V
ADC / DAC Case Style:
SOIC
No. of Pins:
8Pins
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)
Supply Current:
11mA
Alternate Descriptions
ADC Single Delta-Sigma 78ksps 16-bit Serial 8-Pin SOIC T/R Avnet America
ADC Single Delta-Sigma 78ksps 16-bit Serial 8-Pin SOIC T/R Avnet Europe