Datasheet > AL1210SE

AL1210SE

更新时间： 2024-11-08 23:28:27

品牌	Logo	应用领域
其他 - ETC		放大器
页数	文件大小	规格书
11页	128K
描述
Sample/Track-and-Hold Amplifier

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AL1210SE 数据手册

100MSPS 12-Bit

Track and Hold Amplifier

AL1210

FEATURES

APPLICATIONS

100MSPS Sampling Rate (8-Bit)

Flash A/D Driving

•

50MSPS Sampling Rate (12-Bit)

5ns Acquisition Time (8-Bit)

4ns Output Settling Time (8-Bit)

0.018% Nonlinearity

5µV/°C Hold Offset

1ps Aperture Jitter

400MHz Small Signal Bandwidth

Low Power (400mW Max.)

Small Footprint Package (SOIC)

CCD Imaging Systems

Radar and IF Processors

Data Acquisition Systems

Deglitching

50 MSPS

GENERAL DESCRIPTION

The AL1210 is an extremely fast and accurate monolithic

track and hold amplifier. Even at input frequencies of up to

20MHz, and sampling rates of 50MSPS, its outstanding

performance allows full 12-bit linearity to be maintained. Under

these extremely fast conditions, the TOTAL harmonic

distortion introduced by the AL1210 is still only -70dBc.

Its primary application is as a track and hold with the new

generation high speed flash A/D converters. By using the

AL1210 with these converters, it is now possible to obtain

meaningful 10-bit performance at input frequencies of up to

40MHz and sampling rates of up to 75MSPS. If the AL1210

were not used, the meaningful resolution would drop down to 6

bits or less. At 50MHz the TOTAL harmonic distortion is

only -59dBc.

AL1210

Active

Bridge

–

The noise that a track and hold circuit generates must be

significantly below the resolution or noise of the A/D converter

in order not to limit the dynamic range of the system. The causes

of noise in a track and hold are quite complex and come from

several sources. In the AL1210 these noise sources are kept very

low, for example, an aperture jitter of only 1ps and a total output

noise of only 50µV.

Block Diagram

INPUT

NC*

To obtain this remarkable performance, innovative

circuit design and careful layout have been used. It is fabricated

in a very fast complementary bipolar process. The AL1210 is

packaged in a 16-pin SOIC in order to keep the pin inductances

and capacitances to a minimum.

D TRACK

D HOLD

+5V AMP

+5V I/P

NC*

GND

-5V AMP

-5V I/P

+5V O/P

+I LIMIT

OUTPUT

-5V O/P

-I LIMIT

AL1210 Pin Out

*It is reccomended that the unconnected pins be grounded

Acculin supplies information in the belief that it is accurate, but is not

responsible for its use; nor for any infringements of patents or other rights

of third parties which may result from its use. If it is found not to be

accurate, please inform Acculin as soon as possible. No license is

granted by implication or otherwise under any patent rights of Acculin.

Acculin Inc.

209 West Central Street, Natick

Massachusetts 01760 U.S.A.

Tel: (508) 650-1012 Fax: (508) 650-1457

12 3 4 5 6 7...11

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