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Intersil
Intersil

CA3140A Datasheet

BiMOS Operational Amplifier


CA3140A Datasheet Preview


®
Data Sheet
CA3140, CA3140A
July 11, 2005
FN957.10
4.5MHz, BiMOS Operational Amplifier with
MOSFET Input/Bipolar Output
The CA3140A and CA3140 are integrated circuit operational
amplifiers that combine the advantages of high voltage
PMOS transistors with high voltage bipolar transistors on a
single monolithic chip.
The CA3140A and CA3140 BiMOS operational amplifiers
feature gate protected MOSFET (PMOS) transistors in the
input circuit to provide very high input impedance, very low
input current, and high speed performance. The CA3140A
and CA3140 operate at supply voltage from 4V to 36V
(either single or dual supply). These operational amplifiers
are internally phase compensated to achieve stable
operation in unity gain follower operation, and additionally,
have access terminal for a supplementary external capacitor
if additional frequency roll-off is desired. Terminals are also
provided for use in applications requiring input offset voltage
nulling. The use of PMOS field effect transistors in the input
stage results in common mode input voltage capability down
to 0.5V below the negative supply terminal, an important
attribute for single supply applications. The output stage
uses bipolar transistors and includes built-in protection
against damage from load terminal short circuiting to either
supply rail or to ground.
The CA3140A and CA3140 are intended for operation at supply
voltages up to 36V (±18V).
Features
• MOSFET Input Stage
- Very High Input Impedance (ZIN) -1.5T(Typ)
- Very Low Input Current (Il) -10pA (Typ) at ±15V
- Wide Common Mode Input Voltage Range (VlCR) - Can be
Swung 0.5V Below Negative Supply Voltage Rail
- Output Swing Complements Input Common Mode
Range
• Directly Replaces Industry Type 741 in Most Applications
Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Ground-Referenced Single Supply Amplifiers in
Automobile and Portable Instrumentation
• Sample and Hold Amplifiers
• Long Duration Timers/Multivibrators
(µseconds-Minutes-Hours)
• Photocurrent Instrumentation
• Peak Detectors
• Active Filters
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Comparators
• Interface in 5V TTL Systems and Other Low
Supply Voltage Systems
• All Standard Operational Amplifier Applications
• Function Generators
• Tone Controls
• Power Supplies
• Portable Instruments
• Intrusion Alarm Systems
Pinout
CA3140 (PDIP, SOIC)
TOP VIEW
OFFSET
NULL
1
INV. INPUT 2
NON-INV.
INPUT
3
V- 4
-
+
8 STROBE
7 V+
6 OUTPUT
5
OFFSET
NULL
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Harris Corporation 1998, Copyright Intersil Americas Inc. 2002, 2004, 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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Page 1

CA3140, CA3140A
Ordering Information
PART NUMBER
(BRAND)
CA3140AE
CA3140AEZ*
(See Note)
TEMP.
RANGE (°C)
PACKAGE
-55 to 125 8 Ld PDIP
-55 to 125 8 Ld PDIP
(Pb-free)
PKG.
DWG. #
E8.3
E8.3
CA3140AM
(3140A)
-55 to 125 8 Ld SOIC
M8.15
CA3140AM96
(3140A)
-55 to 125 8 Ld SOIC Tape and Reel
CA3140AMZ
-55 to 125 8 Ld SOIC
(3140A) (See Note)
(Pb-free)
M8.15
CA3140AMZ96
-55 to 125 8 Ld SOIC Tape and Reel
(3140A) (See Note)
(Pb-free)
CA3140E
-55 to 125 8 Ld PDIP
E8.3
CA3140EZ*
(See Note)
-55 to 125 8 Ld PDIP
(Pb-free)
E8.3
CA3140M
(3140)
-55 to 125 8 Ld SOIC
M8.15
CA3140M96
(3140)
-55 to 125 8 Ld SOIC Tape and Reel
CA3140MZ
(3140) (See Note)
-55 to 125 8 Ld SOIC
(Pb-free)
M8.15
CA3140MZ96
(3140) (See Note)
-55 to 125 8 Ld SOIC Tape and Reel
(Pb-free)
*Pb-free PDIPs can be used for through hole wave solder
processing only. They are not intended for use in Reflow solder
processing applications.
NOTE: Intersil Pb-free products employ special Pb-free material
sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which are RoHS compliant and compatible
with both SnPb and Pb-free soldering operations. Intersil Pb-free
products are MSL classified at Pb-free peak reflow temperatures
that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-
020.
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2 FN957.10
July 11, 2005
datasheet pdf - http://www.DataSheet4U.net/
Page 2

CA3140, CA3140A
Absolute Maximum Ratings
DC Supply Voltage (Between V+ and V- Terminals) . . . . . . . . . 36V
Differential Mode Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 8V
DC Input Voltage . . . . . . . . . . . . . . . . . . . . . . (V+ +8V) To (V- -0.5V)
Input Terminal Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1mA
Output Short Circuit Duration(Note 2) . . . . . . . . . . . . . . Indefinite
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC
Thermal Information
Thermal Resistance (Typical, Note 1)
θJA (oC/W) θJC (oC/W)
PDIP Package*. . . . . . . . . . . . . . . . . . . 115
N/A
SOIC Package . . . . . . . . . . . . . . . . . . . 165
N/A
Maximum Junction Temperature (Plastic Package) . . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . . -65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300oC
(SOIC - Lead Tips Only)
*Pb-free PDIPs can be used for through hole wave solder process-
ing only. They are not intended for use in Reflow solder processing
applications.
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. θJA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details
2. Short circuit may be applied to ground or to either supply.
Electrical Specifications VSUPPLY = ±15V, TA = 25oC
TYPICAL VALUES
PARAMETER
SYMBOL
TEST CONDITIONS
CA3140 CA3140A UNITS
Input Offset Voltage Adjustment Resistor
Input Resistance
Input Capacitance
Output Resistance
Equivalent Wideband Input Noise Voltage
(See Figure 27)
Equivalent Input Noise Voltage (See Figure 35)
Typical Value of Resistor
Between Terminals 4 and 5 or 4 and 1 to
Adjust Max VIO
RI
CI
RO
eN BW = 140kHz, RS = 1M
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eN RS = 100
f = 1kHz
f = 10kHz
4.7
1.5
4
60
48
40
12
18 k
1.5 T
4 pF
60
48 µV
40 nV/Hz
12 nV/Hz
Short Circuit Current to Opposite Supply
Gain-Bandwidth Product, (See Figures 6, 30)
Slew Rate, (See Figure 31)
IOM+
IOM-
fT
SR
Source
Sink
40 40 mA
18 18 mA
4.5 4.5 MHz
9 9 V/µs
Sink Current From Terminal 8 To Terminal 4 to
Swing Output Low
220 220 µA
Transient Response (See Figure 28)
tr RL = 2k
OS CL = 100pF
Rise Time
Overshoot
0.08 0.08
10 10
µs
%
Settling Time at 10VP-P, (See Figure 5)
tS RL = 2k
CL = 100pF
Voltage Follower
To 1mV
To 10mV
4.5 4.5 µs
1.4 1.4 µs
Electrical Specifications
PARAMETER
Input Offset Voltage
Input Offset Current
Input Current
For Equipment Design, at VSUPPLY = ±15V, TA = 25oC, Unless Otherwise Specified
CA3140
CA3140A
SYMBOL MIN
TYP MAX MIN
TYP
|VIO|
|IIO|
II
-
-
-
5 15 -
0.5 30 -
10 50 -
2
0.5
10
MAX
5
20
40
UNITS
mV
pA
pA
3 FN957.10
July 11, 2005
datasheet pdf - http://www.DataSheet4U.net/
Page 3
Part Number CA3140A
Manufactur Intersil
Description BiMOS Operational Amplifier
Total Page 23 Pages
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