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PDF THAT140 Data sheet ( Hoja de datos )
| Número de pieza | THAT140 | |
| Descripción | Quad Low-Noise NPN / PNP Transistor Array | |
| Fabricantes | That | |
| Logotipo |  |
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THAT Corporation
FEATURES
· Two Matched NPN Transistors
Two Matched PNP Transistors
· Monolithic Construction
· Low Noise
— 0.75 nV/ Hz (PNP)
— 0.8 nV/ Hz (NPN)
· High Speed
— ft= 350 MHz (NPN)
— ft= 325 MHz (PNP)
· Excellent Matching - 500 mV typ
· Dielectrically Isolated
· 25 V VCEO
Quad Low-Noise
NPN / PNP Transistor Array
THAT140
APPLICATIONS
· Microphone Preamplifiers
· Tape Head Preamplifiers
· Current Sources
· Current Mirrors
· Log/Antilog Amplifiers
· Multipliers
DESCRIPTION
THAT140 is a quad, large-geometry monolithic
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.
The resulting low collector-to-substrate capacitance
produces a typical NPN ft of 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.
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.
14 13 12 11 10 9 8
Q2 NC Q4
Q1 Q3 SUB
123456 7
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
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet THAT140.PDF ] | |
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