CA3094E Intersil, CA3094E Datasheet

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CA3094E

Manufacturer Part Number
CA3094E
Description
PROGRAMMABLE POWER SWITCH/AMP
Manufacturer
Intersil
Datasheet
1.CA3094E.pdf (14 pages)

Specifications of CA3094E

Rohs Status
RoHS non-compliant
Amplifier Type
Transconductance
Number Of Circuits
1
Slew Rate
500 V/µs
Gain Bandwidth Product
30MHz
Current - Input Bias
200nA
Voltage - Input Offset
400µV
Operating Temperature
-55°C ~ 125°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Current - Supply
-
Output Type
-
Current - Output / Channel
-
Voltage - Supply, Single/dual (±)
-
-3db Bandwidth
-
Other names
CA3094

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30MHz, High Output Current Operational
Transconductance Amplifier (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
amplifier bias current (I
variation of the integrated circuit sensitivity with either digital
and/or analog programming signals. For example, at an I
of 100µA, a 1mV change at the input will change the output
from 0 to 100µA (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).
Ordering Information
Pinouts
CA3094AT, BT
CA3094E, AE
CA3094M, BM
PART NUMBER
SUPPLY OPERATION)
(BRAND)
EXT. FREQUENCY
OR INHIBIT INPUT
VOLTAGE INPUTS
COMPENSATION
GND (V- IN DUAL
DIFFERENTIAL
RANGE (
-55 to 125
-55 to 125
-55 to 125
CA3094 (PDIP, SOIC)
TEMP.
ABC
1
2
3
4
TOP VIEW
®
), permitting programmable
3-1
o
C)
8 Ld SOIC
8 Pin Metal Can
8 Ld PDIP
Data Sheet
PACKAGE
8
7
6
5
SINK OUTPUT
(COLLECTOR)
V+
DRIVE OUTPUT
(EMITTER)
I
ABC
PROGRAMMABLE
INPUT
(STROBE OR AGC)
CURRENT
T8.C
E8.3
M8.15
PKG.
NO.
1-888-INTERSIL or 321-724-7143
ABC
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
NOTE: Pin 4 is connected to case.
VOLTAGE INPUTS
Features
• CA3094E, M for Operation Up to 24V
• CA3094AT, E, M for Operation Up to 36V
• CA3094BT, M for Operation Up to 44V
• Designed for Single or Dual Power Supply
• Programmable: Strobing, Gating, Squelching, AGC
• Can Deliver 3W (Average) or 10W (Peak) to External Load
• High Power, Single Ended Class A Amplifier will Deliver
• Total Harmonic Distortion (THD) at 0.6W in Class A
Applications
• Error Signal Detector: Temperature Control with
• Over Current, Over Voltage, Over Temperature Protectors
• Dual Tracking Power Supply with CA3085
• Wide Frequency Range Oscillator
• Analog Timer
• Level Detector
• Alarm Systems
• Voltage Follower
• Ramp Voltage Generator
• High Power Comparator
• Ground Fault Interrupter (GFI) Circuits
COMPENSATION OR
DIFFERENTIAL
Capabilities
(in Switching Mode)
Power Output of 0.6W (1.6W Device Dissipation)
Operation 1.4% (Typ)
Thermistor Sensor; Speed Control for Shunt Wound DC
Motor
EXT. FREQUENCY
CA3094, CA3094A, CA3094B
INHIBIT INPUT
October 2000
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
GND (V- IN DUAL
SUPPLY OPERATION)
CA3094 (METAL CAN)
2
Copyright © Intersil Americas Inc. 2002. All Rights Reserved
1
3
SINK OUTPUT
(COLLECTOR)
TOP VIEW
8
4
5
TAB
7
File Number
6
PROGRAMMABLE INPUT
(STROBE OR AGC)
I
V+
ABC
DRIVE OUTPUT
(EMITTER)
CURRENT
598.8

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CA3094E Summary of contents

Page 1

... SUPPLY OPERATION) 3-1 CA3094, CA3094A, CA3094B October 2000 Features • CA3094E, M for Operation Up to 24V • CA3094AT for Operation Up to 36V • CA3094BT, M for Operation Up to 44V • Designed for Single or Dual Power Supply • Programmable: Strobing, Gating, Squelching, AGC Capabilities • ...

Page 2

Absolute Maximum Ratings Supply Voltage (Between V+ and V- Terminals) CA3094 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

Electrical Specifications Otherwise Specified (Continued) PARAMETER OUTPUT PARAMETERS (Differential Input Voltage = 1V) Peak Output Voltage With Q “ON” 13 (Terminal 6) With Q “OFF” 13 Peak Output Voltage Positive (Terminal 6) Negative Peak Output Voltage ...

Page 4

Operating Considerations The “Sink” Output (Terminal 8) and the “Drive” Output (Terminal 6) of the CA3094 are not inherently current (or power) limited. Therefore load is connected between Terminal 6 and Terminal 4 (V- or Ground ...

Page 5

Test Circuits (Continued) 4.7kΩ 30V 7 100Ω CA3094 100Ω CMR 0.8V TO 27.2V 9.9kΩ 1 1kΩ 200Ω 100pF 15V FIGURE 4. COMMON MODE RANGE AND REJECTION RATIO TEST CIRCUIT I ABC 5 3.6kΩ ...

Page 6

Test Circuits (Continued) +15V 56kΩ CA3094A 51Ω -15V CLOSED LOOP GAIN (dB) (kΩ) (kΩ) ∞ ...

Page 7

Typical Applications CA3094 OUT Z 2   Where f depends on the characteristics of Z ---------------- - = ------ -    NOTE: In single-ended output ...

Page 8

Typical Applications (Continued 2.7MΩ CA3094 0.01µF 330kΩ PAPER OR C MYLAR™ - NOTES: 2ms 14 1MΩ 1µF. E OUT 120s 15. Time ...

Page 9

Typical Applications (Continued) 300kΩ (NOTE 17) 51kΩ INPUT CA3094A 100kΩ 100kΩ NOTES 17 -------------------- - . ...

Page 10

Typical Applications (Continued) 2 CA3085A V+ INPUT VOLTAGE REG. (NOTE 21 REF. 1.6V 0.01µF 10kΩ 0.0056µF 1.5kΩ 200kΩ 100Ω 5.1kΩ CA3094A - 10kΩ V- INPUT ±1% (NOTE 22) 10kΩ ...

Page 11

Typical Applications (Continued) TREBLE “BOOST” “CUT” 0.01µF 15kΩ (CW) (CCW) 0.12µF 1800Ω 68Ω 0.001µF 5600Ω 0.001µF 5µF + INPUT 7 VOLUME (NOTES 32, 33) CA3094B - 3 5 680 kΩ 0.2µF 25µF 1kΩ + ...

Page 12

Typical Performance Curves +15V -15V - 125 0.1 1 ...

Page 13

Typical Performance Curves +15V -15V 0Ω FOR TEST CIRCUIT, SEE FIGURE 5µA ABC 25 500µA 20 50µ ...

Page 14

Typical Performance Curves 100 +15V -15V FOR TEST CIRCUIT, SEE FIGURE 22 10 1.0 0 AMPLIFIER BIAS CURRENT (µA) FIGURE 35. SLEW RATE vs AMPLIFIER BIAS CURRENT 1000 ...

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