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Voltage
Reference
Oscillator
Fault
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Test
Device
Current
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Line A
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Channel 1
Channel 2
Channel 3
PGA
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ADC
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ADC
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ADC
Current
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Sensing
Current
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Voltage
Sensing
Current
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Voltage
Sensing
PGA
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ADC
PGA
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ADC
PGA
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ADC
Channel 4
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Channel 8
PGA
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ADC
PGA
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ADC
Line B
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Line N
Op
Amp
ADS130E08
www.ti.com
SBAS574A –JULY 2012–REVISED SEPTEMBER 2012
Low-Cost, 8-Channel, Integrated Analog Front-End for Metering Applications
Check for Samples: ADS130E08
The device incorporates commonly-required features
1
FEATURES
in industrial metering applications. With high levels of
23
• Eight Differential Current and Voltage Inputs
integration and exceptional performance, the
• Eight Low-Noise PGAs and
ADS130E08 enables the creation of scalable
Eight High-Resolution ADCs
industrial power systems at significantly reduced size,
power, and low overall cost.
• Exceeds Class 1.0 Performance
The ADS130E08 has a flexible input multiplexer per
• CMRR: –110 dB
channel that can be independently connected to the
• Crosstalk: –105 dB
internally-generated signals for test, temperature, and
• THD: –108 dB
fault detection. The ADS130E08 operates at a data
• Power: 750 µW/Channel
rate of 8 kSPS. Fault detection can be implemented
internal to the device using the integrated
• Data Rates: 8 kSPS
comparators with digital-to-analog converter (DAC)-
• Programmable Gains (1, 2, and 8)
controlled trigger levels.
• DC Coupling:
Multiple devices can be cascaded in high channel
– Dual Supplies: +3 V to +5 V or
count systems in a daisy-chain configuration. These
+1.8 V to +3.6 V
complete analog front-end (AFE) solutions are
packaged in a TQFP-64 package and specified over
– Bipolar Supply: ±2.5 V
the industrial temperature range of –40°C to +105°C.
• Built-In Test Signals
• Fault Detection Comparators
• Four GPIO Pins
• Internal and External Reference
• Flexible Power-Down: STBY Mode
• SPI™ Data Interface
• Package: TQFP-64 (PAG)
• Operating Temperature Range:
–40°C to +105°C
APPLICATIONS
• Industrial Power Applications:
– Three-Phase Metering
– Industrial Applications
DESCRIPTION
The ADS130E08 is a multi-channel, simultaneous
sampling, 16-bit, delta-sigma (ΔΣ) analog-to-digital
converter (ADC) with a built-in programmable gain
amplifier (PGA), internal reference, and an external
oscillator interface.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2SPI is a trademark of Motorola.
3All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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