ADS7809U

16-Bit, 10us, CMOS, Sampling analog-to-digital converter, SOP, serial output

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PartNumber:: ADS7809U

Brand:: Burr-Brown Corporation - BB | Pack: SOP | D/C: 10+

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Products Upload time: 2011-11-02

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Product Summary

The ADS7809U is a complete 16-bit sampling analog-to-digital converter. It contains a 16-bit capacitor-based SAR A/D with S/H, reference, clock, and a serial data interface. Data can be output using the internal clock, or can be synchronized to an external data clock. The ADS7809U also provides an output synchronization pulse for ease of use with standard DSP processors. The ADS7809U is specified at a 100kHz sampling rate, and guaranteed over the full temperature range.

Parametrics

ADS7809U absolute maximum ratings: (1)Analog Inputs: R1IN: ±25V, R2IN: ±25V, R3IN: ±25V, CAP: VANA+0.3V to AGND2 –0.3V, REF: Indefinite Short to AGND2, Momentary Short to VANA; (2)Ground Voltage Differences: DGND, AGND2: ±0.3V; (3)VANA: 7V; (4)VDIG to VANA: +0.3; (5)VDIG: 7V; (6)Digital Inputs: –0.3V to VDIG +0.3V; (7)Maximum Junction Temperature: +165℃; (8)Internal Power Dissipation: 700mW; (9)Lead Temperature (soldering, 10s): +300℃.

Features

ADS7809U features: (1)100kHz sampling rate; (2)86dB sinad with 20kHz input; (3)±2 LSB INL; (4)DNL: 16 BITS “No Missing Codes”; (5)six specified input ranges; (6)serial output; (7)single +5V supply operation; (8)pin-compatible with 12-BIT ADS7808; (9)uses internal or external reference; (10)100mW max power dissipation; (11)20-pin 0.3" plastic DIP and SOIC; (12)simple DSP interface.