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ICL7650SCPA-1 PDF预览

ICL7650SCPA-1

更新时间: 2024-11-09 22:57:15
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英特矽尔 - INTERSIL 运算放大器光电二极管斩波器
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14页 147K
描述
2MHz, Super Chopper-Stabilized Operational Amplifier

ICL7650SCPA-1 数据手册

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ICL7650S  
TM  
Data Sheet  
April 2000  
File Number 2920.5  
2MHz, Super Chopper-Stabilized  
Operational Amplifier  
Features  
Guaranteed Max Input Offset Voltage for All Temperature  
Ranges  
The ICL7650S Super Chopper-Stabilized Amplifier offers  
exceptionally low input offset voltage and is extremely stable  
with respect to time and temperature. It is a direct  
• Low Long-Term and Temperature Drifts of Input Offset  
Voltage  
replacement for the industry-standard ICL7650 offering  
improved input offset voltage, lower input offset voltage  
temperature coefficient, reduced input bias current, and  
wider common mode voltage range. All improvements are  
highlighted in bold italics in the Electrical Characteristics  
section. Critical parameters are guaranteed over the  
entire commercial temperature range.  
Guaranteed Max Input Bias Current. . . . . . . . . . . . . .10pA  
Extremely Wide Common Mode  
Voltage Range. . . . . . . . . . . . . . . . . . . . . . . +3.5V to -5V  
Reduced Supply Current . . . . . . . . . . . . . . . . . . . . . . 2mA  
Guaranteed Minimum Output Source/Sink Current  
• Extremely High Gain . . . . . . . . . . . . . . . . . . . . . . . .150dB  
• Extremely High CMRR and PSRR . . . . . . . . . . . . . .140dB  
• High Slew Rate. . . . . . . . . . . . . . . . . . . . . . . . . . . .2.5V/µs  
• Wide Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2MHz  
• Unity-Gain Compensated  
Intersil’s unique CMOS chopper-stabilized amplifier circuitry  
is user-transparent, virtually eliminating the traditional  
chopper amplifier problems of intermodulation effects,  
chopping spikes, and overrange lockup.  
The chopper amplifier achieves its low offset by comparing  
the inverting and non-inverting input voltages in a nulling  
amplifier, nulled by alternate clock phases. Two external  
capacitors are required to store the correcting potentials on  
the two amplifier nulling inputs; these are the only external  
components necessary.  
• Clamp Circuit to Avoid Overload Recovery Problems and  
Allow Comparator Use  
• Extremely Low Chopping Spikes at Input and Output  
Improved, Direct Replacement for Industry-Standard  
ICL7650 and other Second-Source Parts  
The clock oscillator and all the other control circuitry is  
entirely self-contained. However the 14 lead version includes  
a provision for the use of an external clock, if required for a  
particular application. In addition, the ICL7650S is internally  
compensated for unity-gain operation.  
Ordering Information  
TEMP.  
RANGE  
( C)  
PKG.  
NO.  
o
PART NUMBER  
ICL7650SCPA-1  
ICL7650SCPD  
PACKAGE  
8 Ld PDIP  
0 to 70  
0 to 70  
0 to 70  
0 to 70  
E8.3  
14 Ld PDIP  
E14.3  
M8.15  
T8.C  
ICL7650SCBA-1  
ICL7650SCTV-1  
8 Ld SOIC  
8 Pin Metal Can  
Pinouts  
ICL7650S (PDIP, SOIC)  
ICL7650S (METAL CAN)  
TOP VIEW  
ICL7650S (PDIP)  
TOP VIEW  
TOP VIEW  
C
EXTB  
8
1
2
3
4
8
7
6
5
C
1
14 INT/EXT  
C
C
EXTB  
EXTB  
EXTA  
-IN  
C
2
3
4
5
6
7
13 EXT CLK IN  
12 INT CLK OUT  
11 V+  
V+  
EXTA  
C
1
3
7
5
V+/CASE  
-
EXTA  
+
NC (GUARD)  
+IN  
V-  
OUTPUT  
-
2
6
OUTPUT  
-IN  
-IN  
C
+
-
RETN  
+
+IN  
NC (GUARD)  
V-  
10 OUTPUT  
C
+IN  
RETN  
9
8
OUT CLAMP  
4
V-  
C
RETN  
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 trademark of Intersil Corporation. | Copyright © Intersil Corporation 2000  
1

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