ST L2726 Operation Manual

®

LOW DROP DUAL POWER OPERATIONAL AMPLIFIER

.

OUTPUT CURRENT TO 1 A

.

OPERATES AT LOW VOLTAGES

.

SINGLE OR SPLIT SUPPLY

.

LARGE COMMON-MODE AND
DIFFERENTIAL MODE RANGE

.

LOW INPUT OFFSET VOLTAGE

.

GROUND COMPATIBLE INPUTS

.

LOW SATURATION VOLTA GE

.

THERMAL SHUTDOWN

.

CLAMP DIODE

L2726

SO20

(12 + 4 + 4)

DESCRIPTION

The L2726 is a monolithic integrated circuit in SO-20
pack age inte nded for u s e as power operatio na l am­plifiers in a wide range of applications including servo
amplifiers and power supplies.

It is par ticul arly indic ated f or driv ing in ductiv e lo ads,
as motor and finds applications in compact-disc
VCR automative, etc.

PIN CONNECTION (top view)

ORDERING NUMBER

The high gain and high o utput power cap abilit y p ro­vide sup erior perfor mance w hatever an ope rati onal
amplifi er/p ower booster combination is requir ed.

: L2726

October 19 98

This is a dvanced informa tion on a new product now in development or undergoi ng evaluation. D etails a re subject to c hange withou t notice.

1/6

L2726

BLOCK DIAGRAM

SCHEMATIC DIAGRAM (one section )

ABSOLUTE MAXI MUM RA TIN GS

Symbol Parameter Value Unit

V
V

P
T

T

stg

Supply Voltage 28 V

s

Peak Supply Voltage (50ms) 50 V

s

V

Input Voltage V

i

V

Differential Input Voltage

i

I

DC Output Current 1 A

O

I

Peak Output Current (non repetitive) 1.5 A

p

Power Dissipation at T

tot

Operating Temperature – 40 to 85

op

= 85oC

amb

T

= 75oC

case

s

V

±

s

1
5

, TjStorage and Junction Temperature – 40 to 150

THERMAL DATA

R

th j- ca se

R

th j-amb

(*) With 4 sq. cm copper a rea heatsink .

2/6

Thermal Resistance Junction-case Max. 15.0
Thermal Resistance Junction-ambient (*) Max. 65

o
o

o

C/W

o

C/W

W

C
C