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ADS1626

Burr-Brown
Part Number ADS1626
Manufacturer Burr-Brown
Description ADC
Published Jul 8, 2020
Detailed Description ADS1625 ADS1626 SBAS280E − JUNE 2003 − REVISED MAY 2007 18ĆBit, 1.25MSPS AnalogĆtoĆDigital Converter FEATURES D Data R...
Datasheet PDF File ADS1626 PDF File

ADS1626
ADS1626

Overview
ADS1625 ADS1626 SBAS280E − JUNE 2003 − REVISED MAY 2007 18ĆBit, 1.
25MSPS AnalogĆtoĆDigital Converter FEATURES D Data Rate: 1.
25MSPS D Signal-to-Noise Ratio: 93dB D Total Harmonic Distortion: −101dB D Spurious-Free Dynamic Range: 103dB D Linear Phase with 615kHz Bandwidth D Passband Ripple: ±0.
0025dB D Adjustable FIFO Output Buffer (ADS1626 only) D Selectable On-Chip Reference D Directly Connects to TMS320C6000 DSPs D Adjustable Power Dissipation: 150 to 515mW D Power Down Mode D Supplies: Analog +5V Digital +3V Digital I/O +2.
7V to +5.
25V APPLICATIONS D Scientific Instruments D Automated Test Equipment D Data Acquisition D Medical Imaging D Vibration Analysis DESCRIPTION The ADS1625 and ADS1626 are high-speed, high-precision, delta-sigma analog-to-digital converters (ADCs) with 18-bit resolution.
The data rate is 1.
25 mega samples per second (MSPS), the bandwidth (−3dB) is 615kHz, and passband ripple is less than ±0.
0025dB (to 550kHz).
Both devices offer the same outstanding performance at these speeds with a signal-to-noise ratio up to 93dB, total harmonic distortion down to −101dB, and a spurious-free dynamic range up to 103dB.
The ADS1626 includes an adjustable first-in, first-out buffer (FIFO) for the output data.
The input signal is measured against a voltage reference that can be generated on-chip or supplied externally.
The digital output data are provided over a simple parallel interface that easily connects to digital signal processors (DSPs).
An out-of-range monitor reports when the input range has been exceeded.
The ADS1625/6 operate from a +5V analog supply (AVDD) and +3V digital supply (DVDD).
The digital I/O supply (IOVDD) operates from +2.
7 to +5.
25V, enabling the digital interface to support a range of logic families.
The analog power dissipation is set by an external resistor and can be reduced when operating at slower speeds.
A power-down mode, activated by a digital I/O pin, shuts down all circuitry.
The ADS1625/6 are offered in a TQFP-64 packa...


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