Calogic LLC J271, J270 Datasheet

P-Channel JFET

J270 – J271 / SST270 – SST271

CORPORATION

FEAT URES

Surface Mount

••

APPLICATIONS

P-Channel Amplifier

••

PIN CONFIGU RATION

TO-92

DESCRIPTION

The J270/SST270 Series is an all-purpose amplifier for
designs requiring P-channel operation. These devic es feat ure
high gain, low noise and tight V
design. They are available in low-cost SOT-23 and TO-92
packages and are fully compatible with automatic insertion
techniques.

ORDERING INFORMATION
Part Package Tempe rature Range

J270-271 Plastic TO-92 -55
SST270-271 Plastic SOT-23 -55

limits for simple circuit

GS(OFF)

o
o

SOT-23

C to +135oC
C to +135oC

5508

DRAIN

1

GATE

2

SOURCE

3

S

G

D

1

GATE

2

SOURCE

3

3

2

1

BOTTOM VIEW

DRAIN

PRODUCT MARKING (SOT-23)

SST270 P20
SST271 P21

1

TOP VIEW

2

3

J270 – J271 / SST270 – SST271

CORPORATION

ABSOLUTE MAXIMUM RATINGS (TA = 25oC unless otherwise no ted)
PARAMETERS/TEST CONDIT IONS SYMBOL LIMIT UNIT

Gate-Drain Voltage V
Gate-Source V olta ge V
Gate Current I
Pow er Dissipation P

GD
GS

G

D

Po wer Derat i ng 2.8 mW/
Operating J unction Temperatu re T
Storage Temperature T
Lead Temper atur e (1/1 6" from cas e f or 10 sec onds ) T

J

stg

L

30 V
30 V

-50 mA

350 mW

-55 to 150

-55 to 150
300

o

C

o

C

o

C

o

C

ELECTRICAL CHARACTERI STIC S (T

= 25oC unless otherwise noted)

A

SYMBOL P ARAMETER TYP

STATIC
V

(BR)GSS

V

GS(OFF

I

DSS

I

GSS

I

G

V

GS(F)

Gate-Source Breakdown Voltage 45 30 30

) Gate-Source Cutoff Voltage 0.5 2.0 1.5 4.5 VDS = -15V, ID = -1nA

Saturation Drain Current

2

Gate Reverse Current

Gate Operating Current 10 pA VDG = -15V, ID = -1mA
Gate-Source Forward Voltage -0.7 V IG = -1mA, VDS = 0V

DYNAMIC

g

fs

g

os

C

iss

C

rss

Common-Source Forward
Transconductance

Common-Source Output
Conductance

Common-Source Input Capacitance 20
Common-Source Reverse

Transfer Capacitance

1

270 271

UNIT TEST CONDITIONS

MIN MAX MIN MAX

I

= 1µA, VDS = 0V

V

G

-2 -15 -6 -50 mA VDS = -15V, VGS = 0V

10 200 200 pA V

5nAT

615818 mS

= 20V, VDS = 0V

GS

= 125oC

A

V

= -15V, VGS = 0V

DS

f = 1kHz

200 500

4

µS

pF

= -15V, VGS = 0V

V

DS

f = 1MHz

e

n

Equivalent Input Noise Voltage 20

NOTES: 1. For design aid only, not subje ct to product ion test ing.

2. Pulse test; PW = 300µs, duty cycle ≤ 3%.

nV

√Hz

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