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PA84S, PA85, PA85A

Table of contents:
Info of PA84S
Info of PA85
Info of PA85A

PA84S, PA85, PA85A Selling Leads, Datasheet

MFG:Cirrus Logic Inc Category:Integrated Circuits (ICs) Package Cooled:N/A D/C:08+

PA84S, PA85, PA85A Datasheet download

Five Points

Part Number: PA84S

Category: Integrated Circuits (ICs)

MFG: Cirrus Logic Inc

Package Cooled: N/A

D/C: 08+

Description: OP AMP HV 1KV/US TO-3-9 CE SG

Price Break

1
25
100
250
500
1000

Unit Price

242.50000
211.20760
203.38500
199.47376
195.56250
187.74000

Extended Price

242.50
5280.19
20338.50
49868.44
97781.25
187740.00

(All prices are in USD) Prices for reference only

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PA84S Parameters

Technical/Catalog Information	PA84S
Vendor	Cirrus Logic Inc
Category	Integrated Circuits (ICs)
Packaging	Tube
Amplifier Type	Power
Number of Circuits	1 - Single
Package / Case	TO-3-8
Slew Rate	200 V/s
Gain Bandwidth Product	75MHz
Current - Supply	5.5mA
Current - Output/Channel	40mA
Voltage - Supply, Single/Dual (±)	30 V ~ 300 V, ±15 V ~ 150 V
Output Type	-
-3db Bandwidth	-
Current - Input Bias	5pA
Operating Temperature	-25°C ~ 85°C
Voltage - Input Offset	1500V
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	PA84S PA84S 598 1325 ND 5981325ND 598-1325

PA84S General Description

The PA84 is a high voltage operational amplifier designed for output voltage swings up to ±145V with a dual supply or 290V with a single supply. Two versions are available. The new PA84S, fast settling amplifier can absorb differential input overvoltages up to ±50V while the established PA84 and PA84A can handle differential input overvoltages of up to ±300V. Both versions are protected against common mode transients and overvoltages up to the supply rails. High accuracy is achieved with a cascode input circuit configuration. All internal biasing is referenced to a zener diode fed by a FET constant current source. As a result, the PA84 features an unprecedented supply range and excellent supply rejection. The output stage is biasedon for linear operation. External phase compensation allows for user flexibility in obtaining the maximum slew rate. Fixed current limits protect these amplifiers against shorts to common at supply voltages up to 150V. For operation into inductive loads, two external flyback pulse protection diodes are recommended. However, a heatsink may be necessary to maintain the proper case temperature under normal operating conditions.

This hybrid integrated circuit utilizes a beryllia (BeO) substrate, thick film resistors, ceramic capacitors and semiconductor chips to maximize reliability, minimize size and give top performance. Ultrasonically bonded aluminum wires provide reliable interconnections at all operating temperatures. The 8- pin TO-3 package is hermetically sealed and electrically isolated. The use of compressible thermal isolation washers and/or improper mounting torque will void the product warranty. Please see "General Operating Considerations".

PA84S Maximum Ratings

SUPPLY VOLTAGE, +V_S to V_S	300V
OUTPUT CURRENT, within SOA	Internally Limited
POWER DISSIPATION, continuous @ T_C = 252	17.5W
INPUT VOLTAGE, differential PA84/PA84A¹	±300V
INPUT VOLTAGE, differential PA84S	±50V
INPUT VOLTAGE, common mode	±V_S
TEMPERATURE, pin solder-10s max(solder)	300
TEMPERATURE, junction²	200
TEMPERATURE RANGE, storage	65 to 150
OPERATING TEMPERATURE RANGE, case	55 to 125

PA84S Features

• HIGH SLEW RATE - 200V/s
• FAST SETTLING TIME - .1% in 1s (PA84S)
• FULLY PROTECTED INPUT - Up to ±150v
• LOW BIAS CURRENT, LOW NOISE - FET Input
• WIDE SUPPLY RANGE - ±15V to ±150V

PA84S Typical Application

• HIGH VOLTAGE INSTRUMENTATION
• ELECTROSTATIC TRANSDUCERS & DEFLECTION
• PROGRAMMABLE POWER SUPPLIES UP TO 290V
• ANALOG SIMULATORS

PA85 Parameters

Technical/Catalog Information	PA85
Vendor	Cirrus Logic Inc
Category	Integrated Circuits (ICs)
Packaging	Tube
Amplifier Type	Power
Number of Circuits	1 - Single
Package / Case	TO-3-8
Slew Rate	1000 V/s
Gain Bandwidth Product	100MHz
Current - Supply	21mA
Current - Output/Channel	200mA
Voltage - Supply, Single/Dual (±)	30 V ~ 450 V, ±15 V ~ 225 V
Output Type	-
-3db Bandwidth	-
Current - Input Bias	5pA
Operating Temperature	-25°C ~ 85°C
Voltage - Input Offset	500V
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	PA85 PA85 598 1326 ND 5981326ND 598-1326

PA85 General Description

This hybrid circuit utilizes thick film (cermet) resistors, ceramic capacitors and silicon semiconductor chips to maximize reliability, minimize size and give top performance. Ultrasonically bonded aluminum wires provide reliable interconnections at all operating temperatures. The 8-pin TO-3 package is hermetically sealed and electrically isolated. The use of compressible isolation washers voids the warranty.

The PA85A is the A grade version.

Applications:

High Voltage Instrumentation
Piezo Transducer Excitation
Programmable Power Supplies up to 430V
Electrostatic Transducers and Deflection

PA85 Maximum Ratings

Output Current MAX (A)	Supply Voltage MAX (V)	Slew Rate TYP (V/s)	Standby Current MAX (mA)	Power Dissipation MAX (W)
0.2	450	1000	25	30

PA85 Connection Diagram

PA85A Parameters

Technical/Catalog Information	PA85A
Vendor	Cirrus Logic Inc
Category	Integrated Circuits (ICs)
Packaging	Tube
Amplifier Type	Power
Number of Circuits	1 - Single
Package / Case	TO-3-8
Slew Rate	1000 V/s
Gain Bandwidth Product	100MHz
Current - Supply	21mA
Current - Output/Channel	200mA
Voltage - Supply, Single/Dual (±)	30 V ~ 450 V, ±15 V ~ 225 V
Output Type	-
-3db Bandwidth	-
Current - Input Bias	3pA
Operating Temperature	-25°C ~ 85°C
Voltage - Input Offset	250V
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	PA85A PA85A 598 1327 ND 5981327ND 598-1327

PA85A General Description

The PA85 is a high voltage, high power bandwidth MOSFET operational amplifier designed for output currents up to 200mA. Output voltages can swing up to ±215V with a dual supply and up to +440 volts with a single supply. The safe operating area (SOA) has no second breakdown limitations and can be observed with all types of loads by choosing an appropriate current limiting resistor. High accuracy is achieved with a cascode input circuit configuration. All internal biasing is referenced to a bootstrapped zener-MOSFET current source. As a result, the PA85 features an unprecedented supply range and excellent supply rejection. The MOSFET output stage is biased on for linear operation. External compensation provides user flexibility.

This hybrid circuit utilizes thick film (cermet) resistors, ceramic capacitors and silicon semiconductor chips to maximize reliability, minimize size and give top performance. Ultrasonically bonded aluminum wires provide reliable interconnections at all operating temperatures. The 8-pin TO-3 package is hermetically sealed and electrically isolated. The use of compressible isolation washers voids the warranty.

PA85A Maximum Ratings

SUPPLY VOLTAGE, +V_S to V_S	450V
OUTPUT CURRENT, within SOA	200mA
POWER DISSIPATION, continuous @ TC = 25²	30W
INPUT VOLTAGE, differential	±25V
INPUT VOLTAGE, common mode	±V_S
TEMPERATURE, pin solder-10s max	300
TEMPERATURE, junction²	150
TEMPERATURE RANGE, storage	65 to +150
OPERATING TEMPERATURE RANGE, case	55 to +125

PA85A Features

• HIGH VOLTAGE - 450V (±225V)
• HIGH SLEW RATE - 1000V/S
• HIGH OUTPUT CURRENT - 200mA

PA85A Typical Application

• HIGH VOLTAGE INSTRUMENTATION
• PIEZO TRANSDUCER EXCITATION
• PROGRAMMABLE POWER SUPPLIES UP TO 430V
• ELECTROSTATIC TRANSDUCERS & DEFLECTION

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