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Datasheet Analog Devices AD7621AST

Manufacturer:Analog Devices
Series:AD7621
Part Number:AD7621AST

16-Bit, 2 LSB INL, 3 MSPS PulSAR ADC

Datasheets

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    AD7621: 16-Bit, 2 LSB INL, 3 MSPS PulSAR™ ADC Data Sheet (Rev. 0)
    Docket ↓
    16-Bit, 2 LSB INL, 3 MSPS PulSAR® ADC
    AD7621
    FEATURES APPLICATIONS
    Medical instruments
    High speed data acquisition
    Digital signal processing
    Communications
    Instrumentation
    Spectrum analysis
    ATE FUNCTIONAL BLOCK DIAGRAM
    TEMP REFBUFIN REF REFGND DVDD DGND AGND
    OVDD AD7621 AVDD OGND REF
    REF AMP
    IN+ SERIAL
    PORT SWITCHED
    CAP DAC IN– 16
    D[15:0] PARALLEL
    INTERFACE
    PDREF BUSY
    RD CLOCK PDBUF
    PD SER/PAR CS
    CONTROL LOGIC AND
    CALIBRATION CIRCUITRY OB/2C RESET BYTESWAP ...

Prices

Docket:
16-Bit, 2 LSB INL, 3 MSPS PulSAR ADC AD7621
FEATURES
Throughput 3 MSPS (wideband warp and warp mode) 2 MSPS (normal mode) 1.25 MSPS (impulse mode) 2.048 V internal reference Differential input range: VREF (VREF up to 2.5 V) INL: 2 LSB maximum, 1 LSB typical 16-bit resolution with no missing codes SINAD: 89 dB typical @ 100 kHz THD: -101 dB typical @ 100 kHz No pipeline delay (SAR architecture) Parallel (16- or 8-bit bus) and serial 5 V/3.3 V/2.5 V interface SPI-/QSPITM-/MICROWIRETM-/DSP-compatible 2.5 V single-supply operation Power dissipation: 65 mW typical @ 3 MSPS 48-lead LQFP and 48-lead LFCSP_VQ packages Speed upgrade of the AD7677
AGND AVDD REF REF AMP IN+ IN SWITCHED CAP DAC PARALLEL INTERFACE PDREF PDBUF PD RESET CONTROL LOGIC AND CALIBRATION CIRCUITRY CLOCK SERIAL PORT FUNCTIONAL BLOCK DIAGRAM
TEMP REFBUFIN REF REFGND DVDD DGND AD7621 OVDD OGND 16 D[15:0] SER/PAR BUSY RD CS OB/2C BYTESWAP
04565-001 WARP IMPULSE CNVST Figure 1. Table 1. PulSAR Selection
Type/kSPS Pseudo Differential True Bipolar True Differential 18-Bit Multichannel/ Simultaneous 100 to 250 AD7651 AD7660/61 AD7663 AD7675 AD7678 500 to 570 AD7650/52 AD7664/66 AD7665 AD7676 AD7679 AD7654 800 to 1000 AD7653 AD7667 AD7671 AD7677 AD7674 AD7655 >1000 APPLICATIONS
Medical instruments High speed data acquisition Digital signal processing Communications Instrumentation Spectrum analysis ATE AD7621 AD7641 GENERAL DESCRIPTION
The AD7621 is a 16-bit, 3 MSPS, charge redistribution SA...

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