The ADS79xx is a 12-, 10-, 8-bit pin compatible multichannel analog-to-digital converter family. The device comparison table shows all twelve devices from this product family.
The devices include a capacitor based SAR A/D converter with inherent sample and hold.
The devices accept a wide analog supply range from 2.7 V to 5.25 V. Very low power consumption makes these devices suitable for battery-powered and isolated power-supply applications.
A wide 1.7-V to 5.25-V I/O supply range facilitates a glueless interface with the most commonly used digital hosts. The serial interface is controlled by CS and SCLK for easy connection with microprocessors and DSP.
The input signal is sampled with the falling edge of CS. It uses SCLK for conversion, serial data output, and reading serial data in. The devices allow auto sequencing of preselected channels or manual selection of a channel for the next conversion cycle.
There are two software selectable input ranges (0 V to VREF and 0 V to 2 × VREF), individually configurable GPIOs (four in case of the TSSOP and one on the VQFN package devices), and two programmable alarm thresholds per channel. These features make the devices suitable for most data acquisition applications.
The devices offer an attractive power-down feature. This is extremely useful for power saving when the device is operated at lower conversion speeds.
The 16-, 12-channel devices from this family are available in a 38-pin TSSOP and 32 pin VQFN package and the 4/8-channel devices are available in a 30-pin TSSOP and 24 pin VQFN packages.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | ADS79xx Pin Compatible, 12-, 10-, 8-Bit, 1-MSPS, 16-, 12-, 8-, 4-Channel, Single-Ended, Serial Interface ADCs datasheet (Rev. C) | PDF | HTML | 24 Jul 2018 |
| EVM User's guide | ADS7953EVM-PDK Evaluation Module | PDF | HTML | 08 Aug 2023 | |
| Certificate | ADS7953EVM-PDK EU Declaration of Conformity (DoC) (Rev. A) | 03 Aug 2023 | ||
| E-book | Best of Baker's Best: Precision Data Converters -- SAR ADCs | 21 May 2015 | ||
| Application note | Determining Minimum Acquisition Times for SAR ADCs, part 2 | 17 Mar 2011 | ||
| Application note | Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A) | 10 Nov 2010 |
For additional terms or required resources, click any title below to view the detail page where available.
ADCPro™ is a modular software system for evaluating analog-to-digital converters (ADCs) without the need for expensive logic analyzers and complex analysis routines. Used alone it is suitable for performing analysis on data sets captured from ADC testing; when paired with a Texas Instruments (...)
The ADS7953EVM-PDK is an evaluation platform for the ADS7953 device, which is a 12-bit, 16-channel, 1-MSPS, single-ended analog input, successive approximation register (SAR) analog-to-digital converter (ADC) that features an easy-to-use serial programming interface (SPI). The ADS7953EVM-PDK eases (...)
| Package | Pins | Download |
|---|---|---|
| TSSOP (DBT) | 38 | View options |
| VQFN (RHB) | 32 | View options |
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