ICL7650 Datasheet, PDF (10/12 Pages) Maxim Integrated Products – Chopper-Stabilized Op Amps

Chopper-Stabilized Op Amps
0.1µF 0.1µF
INPUT
C
R
C
ICL7650
CLAMP _R3
OUTPUT
R2
R3 + (R1 || R2) > 100kΩ
R1 ^{FOR FULL CLAMP EFFECT}
NOTE: R1 || R2 INDICATES THE
PARALLEL COMBINATION OF
R1 || R2.
Figure 6. Noninverting Amplifier with Optional Clamp
2
8
+15V
10µF
ICL7660 3
+7.5V
10µF
4
5
0V
6
1M
Figure 8. Splitting +15V with an ICL7660, 95% Efficiency
(Same for -15V)
+7.5V
CLAMP
+
IN
ICL7650
-
+15V
OUT
741
-15V
-7.5V
0.1µF 0.1µF
10k
10k
Figure 7. Using an Industry-Standard 741 to Boost Output
Drive Capability
Chip Topography
C_EXTA
INT/EXT
C_EXTB EXT/CLK IN
INT/
CLK OUT
0.090"
(2.29mm)
V+
OUTPUT
-INPUT
+INPUT
V-
C_RETN
0.069"
(1.75mm)
CLAMP
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