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CA3094M Datasheet

  • CA3094M

  • 30MHz, High Output Current Operational Transconductance Ampl...

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  • INTERSIL   INTERSIL

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CA3094, CA3094A, CA3094B
Data Sheet
April 1999
File Number
598.7
30MHz, High Output Current Operational
Transconductance Ampli鏗乪r (OTA)
The CA3094 is a differential input power control
switch/amplifier with auxiliary circuit features for ease of
programmability. For example, an error or unbalance signal
can be amplified by the CA3094 to provide an on-off signal or
proportional control output signal up to 100mA. This signal is
sufficient to directly drive high current thyristors, relays, DC
loads, or power transistors. The CA3094 has the generic
characteristics of the CA3080 operational amplifier directly
coupled to an integral Darlington power transistor capable of
sinking or driving currents up to 100mA.
The gain of the differential input stage is proportional to the
ampli鏗乪r bias current (I
ABC
), permitting programmable
variation of the integrated circuit sensitivity with either digital
and/or analog programming signals. For example, at an I
ABC
of 100碌A(chǔ), a 1mV change at the input will change the output
from 0 to 100碌A(chǔ) (typical).
The CA3094 is intended for operation up to 24V and is
especially useful for timing circuits, in automotive equipment,
and in other applications where operation up to 24V is a
primary design requirement (see Figures 28, 29 and 30 in
Typical Applications text). The CA3094A and CA3094B are
like the CA3094 but are intended for operation up to 36V and
44V, respectively (single or dual supply).
Features
鈥?CA3094E, M for Operation Up to 24V
鈥?CA3094AT, E, M for Operation Up to 36V
鈥?CA3094BT, M for Operation Up to 44V
鈥?Designed for Single or Dual Power Supply
鈥?Programmable: Strobing, Gating, Squelching, AGC
Capabilities
鈥?Can Deliver 3W (Average) or 10W (Peak) to External Load
(in Switching Mode)
鈥?High Power, Single Ended Class A Amplifier will Deliver
Power Output of 0.6W (1.6W Device Dissipation)
鈥?Total Harmonic Distortion (THD) at 0.6W in Class A
Operation 1.4% (Typ)
Applications
鈥?Error Signal Detector: Temperature Control with
Thermistor Sensor; Speed Control for Shunt Wound DC
Motor
鈥?Over Current, Over Voltage, Over Temperature Protectors
鈥?Dual Tracking Power Supply with CA3085
鈥?Wide Frequency Range Oscillator
鈥?Analog Timer
鈥?Level Detector
Ordering Information
PART NUMBER
(BRAND)
CA3094AT, BT
CA3094E, AE
CA3094M, BM
TEMP.
RANGE (
o
C)
-55 to 125
-55 to 125
-55 to 125
PACKAGE
8 Pin Metal Can
8 Ld PDIP
8 Ld SOIC
PKG.
NO.
T8.C
E8.3
M8.15
鈥?Alarm Systems
鈥?Voltage Follower
鈥?Ramp Voltage Generator
鈥?High Power Comparator
鈥?Ground Fault Interrupter (GFI) Circuits
Pinouts
CA3094 (PDIP, SOIC)
TOP VIEW
EXT. FREQUENCY
COMPENSATION
OR INHIBIT INPUT
DIFFERENTIAL
VOLTAGE INPUTS
GND (V- IN DUAL
SUPPLY OPERATION)
1
2
3
4
8
7
6
5
SINK OUTPUT
(COLLECTOR)
V+
DRIVE OUTPUT
(EMITTER)
2
I
ABC
CURRENT
PROGRAMMABLE
INPUT
(STROBE OR AGC)
DIFFERENTIAL
VOLTAGE INPUTS
6
CA3094 (METAL CAN)
TOP VIEW
SINK OUTPUT
(COLLECTOR)
EXT. FREQUENCY
COMPENSATION OR
INHIBIT INPUT
8
1
TAB
7
V+
DRIVE OUTPUT
(EMITTER)
3
4
5
GND (V- IN DUAL
SUPPLY OPERATION)
I
ABC
CURRENT
PROGRAMMABLE INPUT
(STROBE OR AGC)
NOTE: Pin 4 is connected to case.
3-12
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Copyright
漏
Intersil Corporation 1999

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