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HA17741/PS
General-Purpose Operational Amplifier
(Frequency Compensated)
Description
The HA17741/PS is an internal phase compensation high-performance operational amplifier, that is
appropriate for use in a wide range of applications in the test and control fields.
Features
High voltage gain
: 106 dB (Typ)
Wide output amplitude : ±13 V (Typ) (at RL 2 k)
Shorted output protection
Adjustable offset voltage
Internal phase compensation
Ordering Information
Application
Industrial use
Commercial use
Type No.
HA17741PS
HA17741
Package
DP-8
Pin Arrangement
Offset
Null
1
Vin() 2
Vin(+) 3
VEE 4
+
(Top view)
8 NC
7 VCC
6 Vout
5
Offset
Null

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HA17741/PS
Circuit Structure
Vin(+)
Vin()
To VCC
To VCC
VCC
Vout
1 Pin
Offset Null
5 Pin
VEE
Absolute Maximum Ratings (Ta = 25°C)
Ratings
Item
Symbol
HA17741PS
HA17741
Unit
Power-supply voltage
VCC +18
+18
V
VEE –18 –18 V
Input voltage
Vin ±15 ±15 V
Differential input voltage
Vin(diff)
±30
±30
V
Allowable power dissipation
Operating temperature
PT
Topr
670 *
–20 to +75
670 *
–20 to +75
mW
°C
Storage temperature
Tstg –55 to +125
–55 to +125
°C
Note: These are the allowable values up to Ta = 45°C. Derate by 8.3 mW/°C above that temperature.
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Electrical Characteristics
Electrical Characteristics-1 (VCC = –VEE = 15 V, Ta = 25°C)
Item
Symbol Min
Typ Max
Input offset voltage
Input offset current
Input bias current
Power-supply
rejection ratio
Voltage gain
Common-mode
rejection ratio
VIO
I IO
I IB
VIO/VCC
VIO/VEE
AVD
CMR
86
70
1.0 6.0
18 200
75 500
30 150
30 150
106 —
90 —
Common-mode input VCM ±12 ±13 —
voltage range
Maximum output
VOP-P
±12
±14
voltage amplitude
±10 ±13 —
Power dissipation
Pd
65 100
Slew rate
SR —
1.0 —
Rise time
Overshoot
tr
Vover
0.3 —
5.0 —
Input resistance
Rin
0.3
1.0
HA17741/PS
Unit
mV
nA
nA
µV/V
µV/V
dB
dB
Test Condition
RS 10 k
RS 10 k
RS 10 k
RL 2 k, Vout = ±10 V
RS 10 k
V RS 10 k
V
V
mW
V/µs
µs
%
M
RL 10 k
RL 2 k
No load
RL 2 k
Vin = 20 mV, RL = 2 k,
CL = 100 pF
Electrical Characteristics-2 (VCC = –VEE = 15 V, Ta = –20 to +75°C)
Item
Symbol Min
Typ Max
Input offset voltage
Input offset current
Input bias current
Voltage gain
Maximum output
voltage amplitude
VIO
I IO
I IB
AVD
VOP-P
80
±10
9.0
400
1,100
Unit
mV
nA
nA
dB
V
Test Condition
RS 10 k
RL 2 k, Vout = ±10 V
RL 2 k
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HA17741/PS
IC Operational Amplifier Application Examples
Multivibrator
A multivibrator is a square wave generator that uses an RC circuit charge/discharge operation to generate
the waveform. Multivibrators are widely used as the square wave source in such applications as power
supplies and electronic switches.
Multivibrators are classified into three types, astable multivibrators, which have no stable states,
monostable multivibrators, which have one stable state, and bistable multivibrators, which have two stable
states.
1. Astable Multivibrator
R3
Vin()
VCC
Vout
Vin(+)
C1
+
VEE
R1
RL
R2
Figure 1 Astable Multivibrator Operating Circuit
Vin(+) 0
Vin() 0
Vout 0
Vertical: 5 V/div
Horizontal: 2 ms/div
Circuit constants
R1 = 8 k, R2 = 4 k
R3 = 100 k, C1 = 0.1 µF
RL =
VCC = 15 V, VEE = 15 V
Figure 2 HA17741 Astable Multivibrator Operating Waveform
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2. Monostable Multivibrator
0
C1
Input
C2
R3
VCC
Vout
+
VEE
R2 R1
RL
Figure 3 Monostable Multivibrator Operating Circuit
HA17741/PS
Trigger input 0
Vin(+) 0
Vin() 0
Vout 0
Vertical:
Horizontal:
Circuit constants
R1 = 10 k, R2 = 2 k
R3 = 40 k, C1 = 0.47 µF
C2 = 0.0068 µF
RL =
VCC = 15 V, VEE = 15 V
Figure 4 HA17741 Monostable Multivibrator Operating Waveform
3. Bistable Multivibrator
Vin()
VCC
Vout
Vin(+)
+
Input
0
VEE R1
C R2 RL
Figure 5 Bistable Multivibrator Operating Circuit
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