(3580 - 3582) HIGH VOLTAGE OPERATIONAL AMPLIFIERS - Burr-Brown
Description
www.
DataSheet4U.
com
FEATURES
.
HIGH OUTPUT SWINGS, up to j::145V (35821 .
LARGE LOAD CURRENTS, up to j::6OmA (35801 .
DIFFICUL T TO DAMAGE, automatic thermal shutoff .
REDUCES SOURCE LOADING, 1O11 n Input Z .
PRESERVES SYSTEM ACCURACY, 11OdB CM R 2OpA bias current
DESCRIPTION
The 3580 series is the first family of I ntegrated Circuit operational amplifiers which will provide output voltage swings of up to ::t 145V .
The monolithic F--ET input stage has low bias currents (20pA) which minimizes the offset voltages caused by the bias current and the large resistance normally associated with high voltage circuits.
The 3580 series is packaged in a TO-3 package which will dissipate over 3W of power without a heat sink and 4.
5W with a suitable heat sink.
The input stage is protected against overvoltages and the output stage is protected against short-circuitsto-ground.
A special thermal sensing circuit prevents damage to the amplifier by automatically shutting the amplifier down when too much power is being dissipated.
International Airport Industrial Park -P .
0.
8ox 11400 -Tucson.
Arizona 85734 -Tel.
[6021 746-1111 -Twx: 910-952.
1111 .
Cable.
88RCORP -Telex: 66-6491
@ 1975 Burr-Brown Corporation
PDS-313D
Printed in U.
S.
A.
May, 1987
SBOS166
TION
advantages not normally available in modular or discrete component units.
The amplifiers have thermal sensing and shut-off circuitry which automatically turns the amplifier off when the internal temperature reaches approximately 150°C.
This is accomplished by sensing the substrate temperature and deactivating the input stage current source when the temperature reaches a critical level.
As this happens, the output load current limits at a safe value and the amplifier's quiescent current decreases.
If the cause of the abnormal power dissipation is continuous (such as a short circuit across the load) the output current may remain at a low value or oscillate between two values d-ependi-ng on the amount of power being dissipated and th...
Similar Datasheet
