TC7650
Chopper Stabilized Operational Amplifier
Features
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Low Input Offset Voltage: 0.7µV Typ
Low Input Offset Voltage Drift: 0.05µV/°C Max
Low Input Bias Current: 10pA Max
High Impedance Differential CMOS Inputs: 10
12
Ω
High Open Loop Voltage Gain: 120dB Min.
Low Input Noise Voltage: 2.0µVp-p
High Slew Rate: 2.5V/µsec.
Low Power Operation: 20mW
Output Clamp Speeds Recovery Time
Compensated Internally for Stable Unity Gain
Operation
• Direct Replacement for ICL7650
• Available in 8-Pin Plastic DIP and 14-Pin Plastic
DIP Packages
Package Type
8-Pin DIP
C
A
1
–
INPUT 2
+
INPUT 3
8
C
B
7
V
DD
TC7650CPA
6
OUTPUT
5
OUTPUT CLAMP
V
SS
4
14-Pin DIP
C
B
C
A
NC
– INPUT
+ INPUT
NC
V
SS
1
2
3
4
5
6
7
14 INT/EXT
13 EXT CLK IN
12 INT CLK OUT
Applications
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Instrumentation
Medical Instrumentation
Embedded Control
Temperature Sensor Amplifier
Strain Gage Amplifier
TC7650CPD
11 V
DD
10 OUTPUT
9 OUTPUT CLAMP
8 C
RETN
Device Selection Table
Part
Number
TC7650CPA
NC = NO INTERNAL CONNECTION
Package
8-Pin PDIP
Temperature
Range
0°C to +70°C
0°C to +70°C
Max V
OS
5µV
5µV
TC7650CPD 14-Pin PDIP
2002 Microchip Technology Inc.
DS21463B-page 1
©
MICROCHIP [ MICROCHIP TECHNOLOGY ]
