Datasheet > THAT140

THAT140

更新时间： 2024-11-29 03:27:51

品牌	Logo	应用领域
其他 - ETC		晶体晶体管
页数	文件大小	规格书
4页	49K
描述
Quad Low-Noise NPN / PNP Transistor Array

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THAT140 数据手册

Quad Low-Noise

NPN / PNP Transistor Array

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

THAT140

FEATURES

APPLICATIONS

Two Matched NPN Transistors

Two Matched PNP Transistors

Microphone Preamplifiers

Tape Head Preamplifiers

Current Sources

Monolithic Construction

Low Noise

Current Mirrors

—

0.75

(PNP)

Hz (NPN)

0.8

Log/Antilog Amplifiers

Multipliers

High Speed

—

f_t= 350 MHz (NPN)

f_t= 325 MHz (PNP)

Excellent Matching - 500 mV typ

Dielectrically Isolated

25 V V_CEO

DESCRIPTION

THAT140 is a quad, large-geometry monolithic

The resulting low collector-to-substrate capacitance

produces a typical NPN f_tof 350 MHz, 325 Mhz for

the PNPs. This delivers AC performance similar to

discrete 2N3904- and 2N3906-class devices.

Dielectric isolation also minimizes crosstalk and

provides complete DC isolation.

NPN/PNP transistor array which combines low noise,

high speed and excellent parametric matching. The

large geometries typically result in 25 W base spread-

ing resistance for the PNP devices (30 W for the

NPNs), producing 0.75 nV Hz voltage noise (0.8

nV Hz for the NPNs). This makes these parts an

ideal choice for low-noise amplifier input stages.

Fabricated on a Complementary Bipolar Dielec-

trically Isolated process, all four transistors are elec-

trically isolated from each other by a layer of oxide.

Substrate biasing is not required for normal oper-

ation, though the substrate should be grounded to

optimize speed. The monolithic construction assures

excellent parameter matching and tracking over tem-

perature.

SUB

Figure 1. Pin Configuration

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

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

12 3 4

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