12-Bit, 80 MSPS ADC SE/Diff, Int/Ext Ref., Flexible Clocking, Selectable Fullscale Range And Pwrdown

The ADS809 is a high-dynamic range, 12-bit, 80MHz, pipelined Analog-to-digital Converter (ADC). It includes a high-bandwidth linear track-and-hold that has a low jitter of only 0.25ps rms, leading to excellent Signal-to-Noise Ratio (SNR) performance. The Clock input CAN accept a low-level differential sine wave or square wave signal down to 0.5Vp-p, further improving the SNR performance. It also accepts a single-ended Clock signal and has flexible threshold levels.
The ADS809 has a 2Vp-p differential input range (1Vp-p ? 2 inputs) for optimum signal-to-noise ratio. The differential operation gives the lowest even-order harmonic components. A lower input voltage of 1.5Vp-p or 1Vp-p CAN also be selected using the internal references, further optimizing Spurious-Free Dynamic Range (SFDR). Alternatively, a single-ended input range CAN be used by tying the IN input to the common-mode voltage if desired.
The ADS809 also provides an over-range flag that indicates when the input signal has exceeded the converter?s full-scale range. This flag CAN also be used to reduce the gain of the front-end signal condit 977 ioning circuitry. It also employs digital error-correction techniques to provide excellent differential linearity for demanding imaging applications. The ADS809 is available in a small TQFP-48 PowerPAD? terminally-enhanced package.
By Texas Instruments
ADS809 's PackagesADS809 's pdf datasheet

ADS809 pdf datasheet download

ADS809 Pinout, Pinouts
ADS809 pinout,Pin out
This is one package pinout of ADS809,If you need more pinouts please download ADS809's pdf datasheet.

ADS809 Application circuits
ADS809 circuits
This is one application circuit of ADS809,If you need more circuits,please download ADS809's pdf datasheet.

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