SST74 datasheet(1/2 Pages) LINEAR

Part #	SST74

Description	ULTRA LOW NOISE SINGLE P-CHANNEL JFET

PDF	2 Pages

Scroll/Zoom	100%

Manufacturer	LINEAR [Linear Integrated Systems]

Direct Link	http://www.linearsystems.com

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Linear Integrated Systems

• 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261

Doc 201175 06/26/2014 Rev#A4 ECN# LSJ74

FEATURES

ULTRA LOW NOISE (f = 1kHz)

en = 0.9nV/

√Hz

HIGH GAIN

Gfs = 22mS (typ)

HIGH INPUT IMPEDANCE

IG = 1.0nA

LOW CAPACITANCE

CRSS = 32pF

IMPROVED SECOND SOURCE REPLACEMENT FOR 2SJ74

ABSOLUTE MAXIMUM RATINGS1

@ 25 °C (unless otherwise stated)

Maximum Temperatures

Storage Temperature

-55 to +150°C

Junction Operating Temperature

-55 to +135°C

Maximum Power Dissipation

Continuous Power Dissipation

400mW

Maximum Currents

Gate Forward Current

IG(F) = -10mA

Maximum Voltages

Gate to Drain Voltage

VGDS = 25V

Gate to Source Voltage

VGSS = 25V

ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise stated)

SYMBOL

CHARACTERISTIC

MIN

TYP

MAX

UNITS

CONDITIONS

BVGDS

Gate to Drain Breakdown Voltage

25

V

VDS = 0V, IG = 100µA

VGS(OFF)

Gate to Source Pinch-off Voltage

0.15

2

VDS = -10V, ID = -0.1µA

IDSS

Drain to Source Saturation

Current2

LSJ74A

-2.6

-6.5

mA

VDG = -10V, VGS = 0V

LSJ74B

-6

-12

LSJ74C

-10

-20

LSJ74D

-17

-30

IG

Gate Operating Current

50

pA

VDG = -10V, ID = -1mA

IGSS

Gate to Source Leakage Current

1

nA

VGS = 25V, VDS = 0V

Gfss

Full Conductance Transconductance

8

22

mS

VDG = -10V, VGS = 0V, f = 1kHz

en

Noise Voltage

0.9

1.9

nV/

√Hz

VDS = -10V, ID = -2mA, f = 1kHz,

NBW = 1Hz

2.5

4

VDS = -10V, ID = -2mA, f = 10kHz,

NBW = 1Hz

CISS

Common Source Input Capacitance

105

pF

VDS = -10V, VGS = 0V, f = 1MHz

CRSS

Common Source Reverse Transfer Cap.

32

VDS = -10V, ID = 0A, f = 1MHz

LSJ74, SST74

ULTRA LOW NOISE

SINGLE P-CHANNEL JFET

TO 92

TOP VIEW

SOT-89

TOP VIEW

* For equivalent N-Channel, see LSK170 family.

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