CA3080AE Intersil Corporation, CA3080AE Datasheet

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CA3080AE

Manufacturer Part Number
CA3080AE
Description
Manufacturer
Intersil Corporation
Datasheet

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proportional to the amplifier bias current (I
multiplexer and fast unity-gain voltage followers. These types
2MHz, Operational Transconductance
Amplifier (OTA)
The CA3080 and CA3080A types are Gatable-Gain Blocks
which utilize the unique operational-transconductance-
amplifier (OTA) concept described in Application Note
AN6668, “Applications of the CA3080 and CA3080A High-
Performance Operational Transconductance Amplifiers”.
The CA3080 and CA3080A types have differential input and a
single-ended, push-pull, class A output. In addition, these types
have an amplifier bias input which may be used either for gating
or for linear gain control. These types also have a high output
impedance and their transconductance (g
The CA3080 and CA3080A types are notable for their excellent
slew rate (50V/µs), which makes them especially useful for
are especially applicable for multiplexer applications because
power is consumed only when the devices are in the “ON”
channel state.
The CA3080A’s characteristics are specifically controlled for
applications such as sample-hold, gain-control, multiplexing,
etc.
Ordering Information
CA3080AE
CA3080AM
(3080A)
CA3080AM96
(3080A)
CA3080E
CA3080M
(3080)
CA3080M96
(3080)
PART NUMBER
(BRAND)
RANGE (
-55 to 125
-55 to 125
-55 to 125
TEMP.
0 to 70
0 to 70
0 to 70
®
o
C)
1
8 Ld PDIP
8 Ld SOIC
8 Ld SOIC Tape
and Reel
8 Ld PDIP
8 Ld SOIC
8 Ld SOIC Tape
and Reel
Data Sheet
PACKAGE
M
ABC
) is directly
).
E8.3
M8.15
M8.15
E8.3
M8.15
M8.15
PKG.
NO.
1-888-INTERSIL or 321-724-7143
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• Slew Rate (Unity Gain, Compensated) . . . . . . . . . 50V/µs
• Adjustable Power Consumption . . . . . . . . . . . . 10µW to 30µW
• Flexible Supply Voltage Range . . . . . . . . . . . . ±2V to ±15V
• Fully Adjustable Gain . . . . . . . . . . . . . . . . .0 to g
• Tight g
• Extended g
Applications
• Sample and Hold
• Multiplexer
• Voltage Follower
Pinouts
- CA3080. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2:1
- CA3080A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6:1
M
NON-INV.
|
Spread:
Intersil (and design) is a registered trademark of Intersil Americas Inc.
INPUT
INPUT
M
INV.
NC
April 2001
V-
Linearity . . . . . . . . . . . . . . . . . . . 3 Decades
Copyright © Intersil Americas Inc. 2002. All Rights Reserved
1
2
3
4
CA3080, CA3080A
(PDIP, SOIC)
TOP VIEW
CA3080
+
-
• Multiplier
• Comparator
File Number 475.5
8
7
6
5
NC
V+
OUTPUT
AMPLIFIER
BIAS INPUT
M
R
L
Limit

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CA3080AE Summary of contents

Page 1

... The CA3080A’s characteristics are specifically controlled for applications such as sample-hold, gain-control, multiplexing, etc. Ordering Information PART NUMBER TEMP. o (BRAND) RANGE ( C) PACKAGE CA3080AE -55 to 125 8 Ld PDIP CA3080AM -55 to 125 8 Ld SOIC (3080A) CA3080AM96 -55 to 125 8 Ld SOIC Tape (3080A) and Reel ...

Page 2

Absolute Maximum Ratings Supply Voltage (Between V+ and V- Terminal 36V Differential Input Voltage . . . . . . . . . . . . . ...

Page 3

Electrical Specifications For Equipment Design, V PARAMETER Peak Output Positive I ABC Voltage Negative Positive I ABC Negative Amplifier Supply Current I ABC Device Dissipation I ABC I ABC Magnitude of Leakage Current I ABC Propagation Delay I ABC Common-Mode ...

Page 4

Typical Applications (Continued) 20pF 8.2kΩ +7.5V VOLTAGE-CONTROLLED CURRENT SOURCE 1kΩ CA3080A 6 1kΩ 2MΩ 5 -7.5V SYMMETRY 4.7kΩ 7.5V +7.5V EXTERNAL 100kΩ SWEEPING INPUT MAX FREQ. SET MIN FREQ. SET +7.5V 10kΩ 6.2kΩ 500Ω ...

Page 5

Typical Applications (Continued) 2 INPUT 3 2.0kΩ SAMPLE 0V HOLD -15V NOTE: Time required for output to settle within ±3mV step. FIGURE 4. SCHEMATIC DIAGRAM OF THE CA3080A IN A SAMPLE-HOLD CONFIGURATION STROBE 0 SAMPLE -15 HOLD ...

Page 6

Typical Applications (Continued) FIGURE 6. LARGE SIGNAL RESPONSE AND SETTLING TIME FOR CIRCUIT SHOWN IN FIGURE 5 Top Trace: System Output; 100mV/Div., 500ns/Div. Bottom Trace: Sampling Signal; 20V/Div., 500ns/Div. FIGURE 7. SAMPLING RESPONSE FOR CIRCUIT SHOWN IN FIGURE 5 THERMOCOUPLE ...

Page 7

Typical Applications (Continued) SAMPLE CONTROL AMPLIFIER INPUT 0.1µF R SAMPLE 0V 15K STROBE HOLD -7.5 FIGURE 10. SCHEMATIC DIAGRAM OF THE CA3080A IN A SAMPLE-HOLD CIRCUIT WITH BIMOS OUTPUT AMPLIFIER 0 ...

Page 8

Typical Applications (Continued) 50mV IN 0 -50mV 51Ω FIGURE 13. PROPAGATION DELAY TEST CIRCUIT AND ASSOCIATED WAVEFORMS Typical Performance Curves 5 = ±15V SUPPLY VOLTS - ...

Page 9

Typical Performance Curves 15 = ±15V SUPPLY VOLTS 14.5 A ∞ LOAD RESISTANCE = 14 13 -13 -13.5 -14 -14.5 -15 0 AMPLIFIER BIAS CURRENT (µA) FIGURE 18. PEAK ...

Page 10

Typical Performance Curves 1 2 CA3080 ±4V V DIFF 3 FIGURE 24. DIFFERENTIAL INPUT CURRENT TEST CIRCUIT = ±15V SUPPLY VOLTS 100 10 1 0.1 0.01 0 AMPLIFIER ...

Page 11

Typical Performance Curves CA3080 FIGURE 30. INPUT-TO-OUTPUT CAPACITANCE TEST CIRCUIT 11 CA3080, CA3080A (Continued) 0.06 0.05 0.01µF 0.04 6 0.03 0.02 0.01 0.01µF FIGURE 31. INPUT-TO-OUTPUT CAPACITANCE vs SUPPLY ...

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