ICL7653 MAXIM [Maxim Integrated Products], ICL7653 Datasheet - Page 10

• Manufacturer Part Number: ICL7653
• Description: Chopper-Stabilized Op Amps
• Manufacturer: MAXIM [Maxim Integrated Products]

Chopper-Stabilized Op Amps
10
Figure 6. Noninverting Amplifier with Optional Clamp
Figure 8. Splitting +15V with an ICL7660, 95% Efficiency
(Same for -15V)
INPUT
______________________________________________________________________________________
10µF
ICL7650
C
0.1µF 0.1µF
CLAMP
2
4
R
R3
ICL7660
C
6
1M
R2
R1
8
3
5
R3 + (R1 || R2) > 100kΩ
FOR FULL CLAMP EFFECT
NOTE: R1 || R2 INDICATES THE
PARALLEL COMBINATION OF
R1 || R2.
OUTPUT
10µF
+7.5V
+15V
0V
Figure 7. Using an Industry-Standard 741 to Boost Output
Drive Capability
(2.29mm)
0.090"
+
-
IN
+INPUT
-INPUT
C
EXTA
V-
-7.5V
ICL7650
CLAMP
C
0.1µF
EXTB
INT/EXT
+7.5V
0.1µF
EXT/CLK IN
(1.75mm)
0.069"
C
Chip Topography
RETN
10k
741
10k
+15V
-15V
INT/
CLK OUT
V+
OUTPUT
CLAMP
OUT