ADS131A02IPBSR Part Information
The ADS131A02 and ADS131A04 are two- and fourchannel, simultaneously-sampling, 24-bit, delta-sigma (ΔΣ), analog-to-digital converters (ADCs). The wide dynamic range, scalable data rates, and internal fault monitors make the ADS131A02 and ADS131A04 ideally-suited for energy monitoring, protection, and control applications. The ADC inputs can be independently and directly interfaced to a resistordivider network, a transformer to measure voltage or current, or a Rogowski coil to measure current. Flexible power-supply options, including an internal negative charge pump, are available to maximize the effective resolution for high dynamic range applications. Asynchronous and synchronous master and slave interface options are available, providing ADC configuration flexibility when chaining multiple devices in a single system. Several interface checks, ADC startup checks, and data integrity checks can be enabled on the interface to report errors in the ADC and during data transfer. The ADS131A02 and ADS131A04 support data rates up to 128 kSPS. The complete analog front-end (AFE) solutions are packaged in a 32-pin TQFP package and are specified over the industrial temperature range of –40°C to +125°C.
- 2 or 4 Simultaneously-Sampling Differential Inputs
- ADC Self Checks
- Cyclic Redundancy Check (CRC) and Hamming Code Error Correction on Communications
- Data Rates Up to 128 kSPS
- Digital Supply: 1.65 V to 3.6 V
- Flexible Analog Power-Supply Operation: u2013 Using Negative Charge Pump: 3.0 V to 3.45 V u2013 Unipolar Supply: 3.3 V to 5.5 V u2013 Bipolar Supply: u00b12.5 V
- Integrated Negative Charge Pump
- Low-Drift Internal Voltage Reference: 4 ppm/u00b0C
- Multiple SPI Data Interface Modes: u2013 Asynchronous Interrupt u2013 Synchronous Master and Slave
- Noise Performance: u2013 Single-Channel Accuracy: Better Than 0.1% at 10,000:1 Dynamic Range u2013 Effective Resolution: 20.6 Bits at 8 kSPS u2013 THD: u2013100 dB at 50 Hz and 60 Hz
- Operating Temperature Range:
- Package: 32-Pin TQFP
|IC Function||Analogue Front End Device IC|
|Supply Voltage Min||3V|
|Supply Voltage Max||3.45V|
|IC Package Type||TQFP|
|No. of Pins||32Pins|
|Operating Temperature Min||-40°C|
|Operating Temperature Max||125°C|
|Automotive Qualification Standard||-|
|RoHS Phthalates Compliant||Yes|
|MSL||MSL 2 - 1 year|
|SVHC||No SVHC (27-Jun-2018)|
Alternative Part Descriptions
- ANALOGUE FRONT END, 2 CH, 24BIT, TQFP-32; IC Function:Analogue Front End Device IC; Supply Voltage Min:3V; Supply Voltage Max:3.45V; IC Package Type:TQFP; No. of Pins:32Pins; Operating Temperature Min:-40�C; Operating Temperature RoHS Compliant: Yes | Newark Electronics
- 24-bit 128-kSPS 2-channel simultaneous-sampling delta-sigma ADC | Texas Instruments
Frequently Asked Questions
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Yes. This part has been flagged as RoHS Compliant by Farnell.
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