S89713 Datasheet, PDF (11/24 Pages) Seiko Instruments Inc – MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER

MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER
Rev.3.4_00
S-89713 Series
 Usage Example
V_DD
C_F
R_F
R_S
V_IN
−
+
R_S
R_F
C_F
V_CMR = V_DD / 2
V_OUT
[Example of Gain = 1000 times]
R_S = 1 kΩ
R_F = 1 MΩ
C_F = 1000 pF
[Example of Gain = 100 times]
R_S = 1 kΩ
R_F = 100 kΩ
C_F = 1000 pF
Figure 14 Differential Amplifier Circuit
V_DD
V_DD
R_F
R_S
V_IN
−
+
V_IN
V_OUT
+
V_OUT
−
R_F
R_S
V_CMR = V_DD / 2
Figure 15 Inverting Amplifier Circuit
V_DC
V_DD
V_CMR = V_DD / 2
Figure 16 Non-inverting Amplifier Circuit
V_DC
V_DD
R_LOAD
R_SENSE
I_{LOAD RF}
R_S
R_S
C_F
+
−
R_F
C_F
V_OUT
V_SUPPLY
R_F
R_S
R_SENSE
R_S
R_LOAD
I_LOAD
C_F
+
−
R_F
C_F
V_OUT
Figure 17 Low-side Current Detection Circuit
Figure 18 High-side Current Detection Circuit
Caution
The above connection diagram and constant will not guarantee successful operation.
Perform through evaluation using the actual application to set the constant.
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