EVAL-AD7622CB屬于開(kāi)發(fā)板套件編程器的評(píng)估板-模數(shù)轉(zhuǎn)換器（ADC）。由亞德諾半導(dǎo)體技術(shù)有限公司制造生產(chǎn)的EVAL-AD7622CB評(píng)估板 - 模數(shù)轉(zhuǎn)換器（ADC）模數(shù)轉(zhuǎn)換器 (ADC) 評(píng)估板是預(yù)裝有元器件的電路板，用于提供特定 ADC 或器件工作實(shí)例。特定板上的 A/D 轉(zhuǎn)換器數(shù)量從 3 到 32 不等，每秒采樣率從 2.5 kHz 到 26 GHz 不等，輸入電壓范圍從 0 到 8 Vp-p。

GENERAL DESCRIPTION

The AD7622 is a 16-bit, 2 MSPS, charge redistribution SAR, fully differential, analog-to-digital converter (ADC) that operates from a single 2.5 V power supply. The part contains a high speed, 16-bit sampling ADC, an internal conversion clock, an internal reference (and buffer), error correction circuits, and both serial and parallel system interface ports. It features two very high sampling rate modes (wideband warp and warp) and a fast mode (normal) for asynchronous rate applications. The AD7622 is hardware factory calibrated and tested to ensure ac parameters, such as signal-to-noise ratio (SNR), in addition to the more traditional dc parameters of gain, offset, and linearity. The AD7622 is available in Pb-free only packages with operation specified from ?40°C to +85°C.

FEATURES

Throughput

2 MSPS (wideband warp and warp mode)

1.5 MSPS (normal mode)

INL: ±0.5 LSB typical, ±1.5 LSB maximum (±23 ppm of FSR)

16-bit resolution with no missing codes

Dynamic range: 92.5 dB typical

SINAD: 91 dB minimum @ 20 kHz (VREF = 2.5 V)

THD: ?115 dB typical @ 20 kHz (VREF = 2.5 V)

2.048 V internal reference: typical drift 8 ppm/°C; TEMP output

Differential input range: ±VREF (VREF up to 2.5 V)

No pipeline delay (SAR architecture)

Parallel (16-, or 8-bit bus) and serial 5 V/3.3 V/2.5 V interface

SPI?/QSPI?/MICROWIRE?/DSP compatible

Single 2.5 V supply operation

Power dissipation

70 mW typical @ 2 MSPS with internal REF

2 μW in power-down mode

Pb-free, 48-lead LQFP and 48-lead LFCSP

Pin compatible with other PulSAR 48-lead ADCs

APPLICATIONS

Medical instruments

High speed data acquisition/high dynamic data acquisition

Digital signal processing

Spectrum analysis

Instrumentation

Communications

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