Datasheet > THAT1420

THAT1420

更新时间： 2024-11-28 21:55:43

品牌	Logo	应用领域
其他 - ETC		驱动器
页数	文件大小	规格书
8页	122K
描述
Balanced Line Drivers

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THAT1420 数据手册

OutSmartsä Balanced Line Drivers

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

THAT 1420, 1430

FEATURES

APPLICATIONS

OutSmartsÔ technology tames

clipping behavior into single-ended

loads

Differential Line Driver

Audio Mix Consoles

Distribution Amplifiers

Audio Equalizers

Pin-compatible with SSM2142

Balanced, floating output delivers

transformer-like behavior

Dynamic Range Processors

Digital Effects Processors

Telecommunications Systems

Instrumentation

Stable when driving long cables

and capacitive loads

THAT 1430 delivers low output

offset voltage using single capacitor

Hi-Fi Equipment

Description

The THAT 1420 and 1430 are a new genera-

ing the design inherently more stable and less

sensitive to component tolerances than the CCOS.

Most importantly, the dual-feedback design pre-

vents the loss of common-mode feedback that

plagues the CCOS designs, avoiding the excessive

ground currents and overly-distorted output

waveform that can result when driving sin-

gle-ended loads.

tion of audio differential line drivers with im-

proved performance over conventional

cross-coupled monolithic designs. Both models

exhibit low noise and distortion, high slew rate,

stability under difficult loads, wide output swing,

and have outputs which are short-circuit pro-

tected.

In addition both models incorporate patented

OutSmartsÔ technology, a dual feedback-loop de-

sign that prevents the excessive ground currents

typical of cross-coupled output stages (CCOS)

when clipping into single-ended loads¹.

Where minimum output offset voltage with

minimum parts count is desired, the THAT 1430

further improves over existing designs. In con-

ventional CCOS circuits, two relatively high-value

electrolytic capacitors are required to reduce the

offset voltage. By contrast, the THAT 1430 topol-

ogy requires only a resistor and a single film or

ceramic capacitor to achieve the same effect at

lower parts count and price.

To overcome this problem, the THAT 1420

and 1430 use two individual negative-feedback

loops to separately control the differential output

voltage and common mode output currents, mak-

DIP Pin

Number

SO Pin

Number

1420 Pin

Name

1430 Pin

Name

THAT 1420

10k

Out-

Sens-

Gnd

Out-

Cap2

Gnd

Vcc

Out-

CEXT

Sens+

10k

Dout-

Din+

Cin+

Cin-

Din-

20k

10k

In+

Gnd

10p

A_D& A_C

Dout+

10k

Vee

Vcc

Sens-

Out+

CEXT

10k

Vcc

Vee

Sens+

Out+

Cap1

Out+

Figure 1. THAT 1420 Equivalent Circuit Diagram

Table 1. THAT 1420/1430 pin assignments

1. See Gary Hebert’s paper, An Improved Balanced, Floating Output Driver IC, presented at the 108th AES Convention, Feb. 2000

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

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

12 3 4 5 6 7 8

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与THAT1420相关器件

型号	品牌	获取价格	描述	数据表
THAT1430	ETC	获取价格	Balanced Line Drivers
THAT1510	ETC	获取价格	Low Noise, High Performance Microphone Preamplifier IC
THAT1512	ETC	获取价格	Low Noise, High Performance Microphone Preamplifier IC
THAT1512S08-U	ETC	获取价格	Low-Noise, High Performance Audio Preamplifier IC
THAT2150A	ETC	获取价格	IC Voltage-Controlled Amplifiers
THAT2151	ETC	获取价格	IC Voltage-Controlled Amplifiers
THAT2155	ETC	获取价格	IC Voltage-Controlled Amplifiers
THAT2180A	ETC	获取价格	Pre-Trimmed IC Voltage Controlled Amplifiers
THAT2180B	ETC	获取价格	Pre-Trimmed IC Voltage Controlled Amplifiers
THAT2180C	ETC	获取价格	Pre-Trimmed IC Voltage Controlled Amplifiers

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