HA17741 Datasheet, PDF (6/18 Pages) Hitachi Semiconductor – General-Purpose Operational Amplifier (Frequency Compensated)

HA17741/PS
Trigger input 0
Vin(+) 0
Vout 0
Vertical: 5 V/div
Horizontal: 2 ms/div
Circuit constants
R₁ = 10 kΩ, R₂ = 2 kΩ
C = 0.0068 µF
R_L = ∞
V_CC = 15 V, V_EE = −15 V
Figure 6 HA17741 Bistable Multivibrator Operating Waveform
Wien Bridge Sine Wave Oscillator
2SK16 H
1S2074 H
C₃
R₃ 1 MΩ
R₄
470 kΩ
5.1 kΩ
R_S
−
500 Ω _Rin
+
C₂
R₂ C₁ ^R1
Vout
50 kΩ
R_L
Figure 7 Wien Bridge Sine Wave Oscillator
30 k
V_OP-P = 2 V
10 k
3 k ^{VOP-P = 20 V}
1k
V_CC = 15 V,
V_EE = −15 V
C₁ = C₂/10
R₁ = 110 kΩ,
R₂ = 11 kΩ
300
100
30
10
30 p 100 p 300 p 1,000 p 3,000 p 0.01 µ 0.03 µ 0.1 µ
C₁ Capacitance (F)
Figure 8 HA17741 Wien Bridge Sine Wave Oscillator f–C Characteristics
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