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12-Bit 40-KSPS Low Power Sampling A/D Converter w/IR & Parallel/Serial Interface (Rev. B)
Texas Instruments
Description
The ADS8506 is a complete low power, single 5-V supply, 12-bit sampling analog-to-digital (A/D) converter. It contains a complete 12-bit capacitor-based, successive approximation register (SAR) A/D converter with sample and hold, clock, reference, and data interface. The converter can be configured for a variety of input ranges including ±10 V, 4 V, and 5 V. For most input ranges, the input voltage can swing to 25 V or –25 V without damage to the converter. A SPI compatible serial interface allows data to be synchronized to an internal or external clock. A full parallel interface with BYTE select is also provided to allow the maximum system design flexibility. The ADS8506 is specified at 40 kHz sampling rate over the industrial –40°C to 85°C temperature range.
Features
40-kHz Min Sampling Rate 4-V, 5-V, and ±10-V Input Ranges 73.9-dB SINAD with 10-kHz Input ±0.45 LSB Max INL ±0.45 LSB Max DNL, 12-Bit No Missing Codes ±5-mV BPZ, ±0.5 PPM/°C BPZ Drift SPI Compatible Serial Output With Daisy-Chain (TAG), SPI Master/Slave Feature Single 5-V Analog Supply Pin-Compatible With ADS7806 and 16-Bit ADS7807/8507 Uses Internal or External 2.5-V Reference Low Power Dissipation 24 mW Typ, 30 mW Max at 40 KSPS 50-µW Max Power Down Mode 28-Pin SO Package Full Parallel Interface 2’s Comp or BTC Output Code APPLICATIONS Industrial Process Control Test Equipment Medical Equipment Data Acquisition Systems Digital Signal Processing Instrumentation QSPI, SPI are trademarks of Motorola.
Related Datasheets
| Part Number | Description | Category |
| • ADS1174 | Quad/Octal, Simultaneous Sampling, 16-Bit Analog-to-Digital Converters (Rev. A) | Cards and Modules |
| • ADS5281 | 12-Bit Octal-Channel ADC Family Up to 65MSPS (Rev. G) | Cards and Modules |
| • ADS574 | Microprocessor-Compatible Sampling CMOS A/D Converter | Cards and Modules |
| • ADS7812 | ADS7812: Low-Power, Serial 12-Bit Sampling Analog-To-Digital Converter (Rev. A) | Cards and Modules |
| • ADS8471 | 16-Bit, 1-MSPS, Pseudo-Bipolar, Unipolar Input, Micropower Sampling ADC | Cards and Modules |
| • ADS8504 | 12-BIT 250-KSPS Sampling CMOS Analog-to-Digital Converter (Rev. A) | Cards and Modules |
| • ADS8507 | 16-Bit 40-KSPS Low Power Sampling Analog-to-Digital Converter | Cards and Modules |
| • ADS8508 | 12-Bit 250-KSPS Serial CMOS Sampling ADC | Cards and Modules |
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