AD9101AR

更新时间： 2024-11-04 22:29:15

品牌	Logo	应用领域
亚德诺 - ADI		采样保持电路放大器放大器电路光电二极管
页数	文件大小	规格书
12页	249K
描述
125 MSPS Monolithic Sampling Amplifier

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AD9101AR 数据手册

125 MSPS Monolithic

Sampling Amplifier

AD9101

FEATURES

FUNCTIO NAL BLO CK D IAGRAM

350 MHz Sam pling Bandw idth

125 MHz Sam pling Rate

Excellent Hold Mode Distortion

AD9101

–75 dB @ 50 MSPS (25 MHz V_IN

)

–

–57 dB @ 125 MSPS (50 MHz V_IN

7 ns Acquisition Tim e to 0.1%

<1 ps Aperture J itter

)

SAMPLER

AMP

HOLD

OUT

–

66 dB Feedthrough Rejection @ 50 MHz

3.3 nV/ √Hz Spectral Noise Density

APPLICATIONS

Direct IF Sam pling

Digital Sam pling Oscilloscopes

HDTV Cam eras

RTN

CLOCK CLOCK

Peak Detectors

Radar/ EW/ ECM

Spectrum Analysis

Test Equipm ent/ CCD Testers

DDS DAC Deglitcher

T he benefits of using a track-and-hold ahead of a flash converter

have been well known for many years. However, before the

AD9101, there was no track-and-hold amplifier with sufficient

bandwidth and linearity to markedly increase the dynamic per-

formance of such flashes as the AD9002, AD9012, AD9020,

and AD9060.

GENERAL D ESCRIP TIO N

T he AD9101 is an extremely accurate, general purpose, high

speed sampling amplifier. Its fast and accurate acquisition speed

allows for a wide range of frequency vs. resolution performance.

T he AD9101 is capable of 8 to 12 bits of accuracy at clock rates

of 125 MSPS or 50 MSPS, respectively. T his level of perfor-

mance makes it an ideal driver for almost all 8- to 12-bit A/D

encoders on the market today.

A new application made possible by the AD9101 is direct IF-

to-digital conversion. Utilizing the Nyquist principle, the IF

frequency can be rejected, and the baseband signal can be

recovered. As an example, a 40 MH z IF is modulated by a

10 MHz bandwidth signal. By sampling at 25 MSPS, the signal

of interest is detected.

In effect, the AD9101 is a track-and-hold with a post amplifier.

T his configuration allows the front end sampler to operate at

relatively low signal amplitudes. T his results in dramatic im-

provement in both track and hold mode distortion while keeping

power low.

T he AD9101 is offered in commercial and military temperature

ranges. Commercial versions include the AD9101AR in plastic

SOIC and AD9101AE in ceramic LCC. Military devices are

available in ceramic LCC. Contact the factory for availability of

versions in DIP and/or military versions.

T he gain-of-four output amplifier has been optimized for fast

and accurate large signal step settling characteristics even when

heavily loaded. T his amplifier’s fast Settling T ime Linearity

(ST L) characteristic causes the amplifier to be transparent to

the low signal level distortion of the sampler. When sampled,

output distortion levels reflect only the distortion performance

of the sampler.

P RO D UCT H IGH LIGH TS

1. Guaranteed Hold-Mode Distortion

2. 125 MHz Sampling Rate to 8 Bits; 50 MHz to 12 Bits

3. 350 MHz Sampling Bandwidth

4. Super-Nyquist Sampling Capability

5. Output Offset Adjustable

Dramatic SNR and distortion improvements can be realized

when using the AD9101 with high speed flash converters. Flash

converters generally have excellent linearity at dc and low fre-

quencies. However, as signal slew rate increases, their perfor-

mance degrades due to the internal comparators’ aperture delay

variations and finite gain bandwidth product.

REV. 0

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7...12

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与AD9101AR相关器件

型号	品牌	获取价格	描述	数据表
AD9101AR-REEL	ADI	获取价格	IC TRACK AND HOLD AMPLIFIER, PDSO20, PLASTIC, SOIC-20, Sample and Hold Circuit
AD9101SE	ADI	获取价格	125 MSPS Monolithic Sampling Amplifier
AD9102	ADI	获取价格	Low Power, 14-Bit, 180 MSPS, Digital-to-Analog Converter and Waveform Generator
AD9102BCPZ	ADI	获取价格	Low Power, 14-Bit, 180 MSPS, Digital-to-Analog Converter and Waveform Generator
AD9102BCPZRL7	ADI	获取价格	Low Power, 14-Bit, 180 MSPS, Digital-to-Analog Converter and Waveform Generator
AD9102-EBZ	ADI	获取价格	Low Power, 14-Bit, 180 MSPS, Digital-to-Analog Converter and Waveform Generator
AD9106	ADI	获取价格	Quad, Low Power, 12-Bit, 180 MSPS, Digital-to-Analog Converter and Waveform Generator
AD9106BCPZ	ADI	获取价格	Quad, Low Power, 12-Bit, 180 MSPS, Digital-to-Analog Converter and Waveform Generator
AD9106BCPZRL7	ADI	获取价格	Quad, Low Power, 12-Bit, 180 MSPS, Digital-to-Analog Converter and Waveform Generator
AD9106-EBZ	ADI	获取价格	Quad, Low Power, 12-Bit, 180 MSPS, Digital-to-Analog Converter and Waveform Generator

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