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LF147DT

WIDE BANDWIDTH QUAD J-FET OPERATIONAL AMPLIFIERS

STMicroelectronics 

LF147 - LF247

LF347

WIDE BANDWIDTH

QUAD J-FET OPERATIONAL AMPLIFIERS

s LOW POWER CONSUMPTION

s WIDE COMMON-MODE (UP TO VCC+) AND

DIFFERENTIAL VOLTAGE RANGE

s LOW INPUT BIAS AND OFFSET CURRENT

s OUTPUT SHORT-CIRCUIT PROTECTION

s HIGH INPUT IMPEDANCE J–FET INPUT

STAGE

s INTERNAL FREQUENCY COMPENSATION

s LATCH UP FREE OPERATION

s HIGH SLEW RATE : 16V/µs (typ)

N

DIP14

(Plastic Package)

D

SO14

(Plastic Micropackage)

DESCRIPTION

These circuits are high speed J–FET input quad

operational amplifiers incorporating well matched,

high voltage J–FET and bipolar transistors in a

monolithic integrated circuit.

The devices feature high slew rates, low input bias

and offset currents, and low offset voltage tem-

perature coefficient.

PIN CONNECTIONS (top view)

ORDER CODE

Part Number Temperature Range

LF147

LF247

LF347

Example : LF347IN

-55°C, +125°C

-40°C, +105°C

0°C, +70°C

Package

N

D

•

•

•

•

•

•

N = Dual in Line Package (DIP)

D = Small Outline Package (SO) - also available in Tape & Reel (DT)

March 2001

Output 1 1

Inverting Input 1 2

-

Non-inverting Input 1 3

+

VCC + 4

Non-inverting Input 2 5 +

Inverting Input 2 6

-

Output 2 7

14 Output 4

- 13 Inverting Input 4

+ 12 Non-inverting Input 4

11 VCC -

+ 10 Non-inverting Input 3

-

9 Inverting Input 3

8 Output 3

1/10

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