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ADS131E06 Arkusz danych(PDF) 1 Page - Texas Instruments |
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ADS131E06 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 60 page EMI Filters and Input MUX Control and SPI Interface Voltage Reference Oscillator Fault Detection Test Device Current Sensing Line A Voltage Sensing Channel 1 Channel 2 Channel 3 PGA û ADC PGA û ADC PGA û ADC Current Sensing Voltage Sensing Current Sensing Voltage Sensing Current Sensing Voltage Sensing PGA û ADC PGA û ADC PGA û ADC Channel 4 Channel 5 Channel 6 Channel 7 Channel 8 PGA û ADC PGA û ADC Line B Line C Line N Op Amp ADS131E04 ADS131E06 ADS131E08 www.ti.com SBAS561A – JUNE 2012 – REVISED APRIL 2013 Analog Front-End for Power Monitoring, Control, and Protection Check for Samples: ADS131E04, ADS131E06 , ADS131E08 The ADS131E0x incorporate features commonly 1 FEATURES required in industrial power monitoring, control, and 23 • Eight Differential Current and Voltage Inputs protection applications. The ADS131E0x inputs can • Outstanding Performance: be independently and directly interfaced with a resistor-divider network or a transformer to measure – Exceeds Class 0.1 Performance voltage. The inputs can also be interfaced to a – Dynamic Range at 1 kSPS: 118 dB current transformer or Rogowski coil to measure – Crosstalk: –110 dB current. With high integration levels and exceptional performance, the ADS131E0x family enables the – THD: –90 dB at 50 Hz and 60 Hz creation of scalable industrial power systems at • Supply Range: significantly reduced size, power, and low overall – Analog: cost. – +3 V to +5 V (Unipolar) The ADS131E0x have a flexible input multiplexer per – ±2.5 V (Bipolar, allows dc coupling) channel that can be independently connected to the internally-generated signals for test, temperature, and – Digital: +1.8 V to +3.6 V fault detection. Fault detection can be implemented • Low Power: 2 mW per Channel internal to the device, using the integrated • Data Rates: 1, 2, 4, 8, 16, 32, and 64 kSPS comparators with digital-to-analog converter (DAC)- controlled trigger levels. The ADS131E0x can operate • Programmable Gains (1, 2, 4, 8, and 12) at data rates as high as 64 kSPS. • Fault Detection and Device Testing Capability These complete analog front-end (AFE) solutions are • SPI™ Data Interface and Four GPIOs packaged in a TQFP-64 package and are specified • Package: TQFP-64 (PAG) over the industrial temperature range of –40°C to • Operating Temperature Range: +105°C. –40°C to +105°C APPLICATIONS • Industrial Power Applications: – Energy Metering – Monitoring, Control, and Protection DESCRIPTION The ADS131E0x are a family of multichannel, simultaneous sampling, 24- and 16-bit, delta-sigma ( ΔΣ), analog-to-digital converters (ADCs) with a built- in programmable gain amplifier (PGA), internal reference, and an onboard oscillator. 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. 2 SPI is a trademark of Motorola. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2012–2013, 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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