SHC615AU

更新时间： 2024-11-25 22:21:51

品牌	Logo	应用领域
BB		/
页数	文件大小	规格书
19页	301K
描述
Wide-Bandwidth, DC RESTORATION CIRCUIT

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中文翻译

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数据手册

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SHC615AU 数据手册

SHC615

Wide-Bandwidth,

DC RESTORATION CIRCUIT

FEATURES

● PROPAGATION DELAY: 2.2ns

APPLICATIONS

● BROADCAST/HDTV EQUIPMENT

● BANDWIDTH: OTA: 750MHz

● TELECOMMUNICATIONS EQUIPMENT

● HIGH-SPEED DATA ACQUISITION

Comparator: 280MHz

● LOW INPUT BIAS CURRENT: –0.3µA

● CAD MONITORS/CCD IMAGE

● SAMPLE/HOLD

PROCESSING

SWITCHING TRANSIENTS: +1/–7mV

● NANO SECOND PULSE INTEGRATOR/

● SAMPLE/HOLD

PEAK DETECTORS

FEEDTHROUGH REJECTION: 100dB

● PULSE CODE MODULATOR/

● CHARGE INJECTION: 40fC

DEMODULATOR

● HOLD COMMAND DELAY TIME: 3.8ns

● TTL/CMOS HOLD CONTROL

● COMPLETE VIDEO DC LEVEL

RESTORATION

● SAMPLE/HOLD AMPLIFIER

DESCRIPTION

The SHC615 is a complete subsystem for very fast

and precise DC restoration, offset clamping, and low

frequency hum suppression of wideband amplifiers or

buffers. Designed to stabilize the performance of

video signals, it can also be used as a sample/hold

amplifier, high-speed integrator, or peak detector for

nanosecond pulses. A wideband Operational

Transconductance Amplifier (OTA) with a high-im-

pedance cascode current source output and fast sam-

pling comparator set a new standard for high-speed

applications. Both can be used as stand-alone circuits

or combined to form a more complex signal process-

ing stage. The self-biased, bipolar OTA can be viewed

as an ideal voltage-controlled current source and is

optimized for low input bias current. The sampling

comparator has two identical high-impedance inputs

and a current source output optimized for low output

bias current and offset voltage; it can be controlled by

a TTL-compatible switching stage within a few

nanoseconds. The transconductance of the OTA and

sampling comparator can be adjusted by an external

resistor, allowing bandwidth, quiescent current, and

gain tradeoffs to be optimized.

The SHC615 is available in SO-14 surface mount and

14-pin plastic DIPs, and is specified over the ex-

tended temperature range of –40°C to +85°C.

C_HOLD

Ground

Base

Emitter

Switching

Stage

Hold Control

OTA

Sampling

Collector (I_OUT

)

Comparator (SC)

S/H

In+

∞

Biasing

I_QAdjust

SOTA

S/H

In–

SHC615

+V_CC–V_CC

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

FAXLine: (800) 548-6133 (US/Canada Only)

•

Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111

Internet: http://www.burr-brown.com/

•

Cable: BBRCORP

•

Telex: 066-6491

•

FAX: (520) 889-1510

•

Immediate Product Info: (800) 548-6132

PDS-1214C

Printed in the U.S.A. May, 1995

12 3 4 5 6 7...19

中文翻译

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