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參數資料
| 型號： | CA324H |
| 英文描述： | TRIPLE 2 CHANNLE ANALOG MULTIPLEXERS DEMULTIPLEXERS |
| 中文描述： | 電壓反饋運算放大器 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 342K |
| 代理商： | CA324H |
S E M I C O N D U C T O R
3-115
November 1996
CA3240, CA3240A
Dual, 4.5MHz, BiMOS Operational Amplifier
with MOSFET Input/Bipolar Output
Features
Dual Version of CA3140
Internally Compensated
MOSFET Input Stage
- Very High Input Impedance (Z
IN
) 1.5T
(Typ)
- Very Low Input Current (I
I
) 10pA Typ. at
±
15V
- Wide Common-Mode Input Voltage Range (V
ICR
):
Can Be Swung 0.5V Below Negative Supply Voltage
Rail
Directly Replaces Industry Type 741 in Most
Applications
Applications
Ground Referenced Single Amplifiers in Automobile
and Portable Instrumentation
Sample and Hold Amplifiers
Long Duration Timers/Multivibrators (Microseconds-
Minutes-Hours)
Photocurrent Instrumentation
Intrusion Alarm System
Comparators
Instrumentation Amplifiers
Description
The CA3240A and CA3240 are dual versions of the popular
CA3140 series integrated circuit operational amplifiers. They
combine the advantages of MOS and bipolar transistors on the
same monolithic chip. The gate-protected MOSFET (PMOS)
input transistors provide high input impedance and a wide
common-mode input voltage range (typically to 0.5V below the
negative supply rail). The bipolar output transistors allow a wide
output voltage swing and provide a high output current capability.
The CA3240A and CA3240 are compatible with the industry
standard 1458 operational amplifiers in similar packages.The off-
set null feature is available only when these types are supplied in
the 14 lead PDIP package (E1 suffix).
Pinouts
CA3240, CA3240A, (PDIP)
TOP VIEW
CA3240, CA3240A, (PDIP)
TOP VIEW
Functional Diagram
Active Filters
Function Generators
Power Supplies
Ordering Information
PART NUMBER
TEMP.
RANGE (
o
C)
PACKAGE
PKG.
NO.
CA3240AE
-40 to 85
8 Ld PDIP
E8.3
CA3240AE1
-40 to 85
14 Ld PDIP
E14.3
CA3240E
-40 to 85
8 Ld PDIP
E8.3
CA3240E1
-40 to 85
14 Ld PDIP
E14.3
OUTPUT (A)
INV.
INPUT (A)
NON-INV.
INPUT (A)
1
2
3
4
8
7
6
5
V+
OUTPUT
INV.
INPUT (B)
NON-INV.
INPUT (B)
V-
INV.
NON-INV.
INPUT (A)
OFFSET
NULL (A)
V-
OFFSET
NULL (B)
NON - INV.
INPUT (B)
INV.
OFFSET
NULL (A)
V+
OUTPUT (A)
NC
OUTPUT (B)
V+
OFFSET
NULL (B)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
INPUT (A)
INPUT (B)
Pins 9 and 13 internally connected through approximately 3
.
A
≈
10,000
BIAS CIRCUIT
CURRENT SOURCES
AND REGULATOR
A
≈
1
2mA
4mA
2mA
1.6mA
2
μ
A
200
μ
A
200
μ
A
IN-
PUT
OUT-
PUT
OFFSET NULL
C
1
12pF
V+
V-
+
-
NOTE: Only available with 14 lead DIP (E1 Suffix).
A
≈
10
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
Harris Corporation 1996
File Number
1050.3
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