Datasheet > THAT2181

THAT2181

更新时间： 2024-11-28 22:19:47

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其他 - ETC		放大器
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10页	253K
描述
Trimmable IC Voltage Controlled Amplifiers

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THAT2181 数据手册

Trimmable IC

Voltage Controlled Amplifiers

T H A T C o r p o r a t i o n

THAT 2181A, 2181B, 2181C

FEATURES

APPLICATIONS

Wide Dynamic Range: >120 dB

Wide Gain Range: >130 dB

Exponential (dB) Gain Control

Faders

Panners

Compressors

Expanders

Equalizers

Filters

Low Distortion:

~0.0025% (typical 2181A)

~0.005% (typical 2181C)

Wide Gain-Bandwidth: 20 MHz

Dual Gain-Control Ports (pos/neg)

Pin-Compatible with 2150-Series

Oscillators

Automation Systems

Description

THAT 2181 Series integrated-circuit voltage con-

trolled amplifiers (VCAs) are very high-performance

current-in/current-out devices with two oppos-

ing-polarity, voltage-sensitive control ports. They offer

wide-range exponential control of gain and attenuation

with low signal distortion. The parts are selected after

packaging based primarily on after-trim THD and con-

trol-voltage feedthrough performance.

The VCA design takes advantage of a fully comple-

mentary dielectric isolation process which offers

closely matched NPN/PNP pairs. This delivers perfor-

mance unobtainable through any conventional pro-

cess, integrated or discrete. The parts are available in

three grades, allowing the user to optimize cost vs.

performance. Both 8-pin single-in-line (SIP) and sur-

face mount (SO) packages are available.

Pin Name

Input

Ec+

SIP Pin

SO Pin

Vcc

Ec–

Sym

V–

BIAS CURRENT

COMPENSATION

Ec+

Gnd

Ec-

V+

Vbe

MULTI-

PLIER

Input

Output

Table 1. 2181 Series Pin Assignments

Sym

Gnd

Iadj

Max Trimmed THD

@1 V, 1 kHz, 0 dB

Plastic Plastic

SIP SO

V-

Iset

0.005%

0.008%

0.02%

2181LA 2181SA

2181LB 2181SB

2181LC 2181SC

Figure 1. 2181 Series Equivalent Circuit Diagram

Table 2. Ordering Information

THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA

Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com

Document 600030 Rev 01

12 3 4 5 6 7...10

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THAT2181B	ETC	获取价格	Trimmable IC Voltage Controlled Amplifiers
THAT2181C	ETC	获取价格	Trimmable IC Voltage Controlled Amplifiers
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