FAIRCHILD KA4558 Service Manual
KA4558
Dual Operational Amplifier
www.fairchildsemi.com
Features
• No frequency comp ensa t ion required.
• No latch up.
• Large common mode and differential voltage range.
• Parameter tracking over temperature range.
• Gain and phase match between amplifiers.
• Internally frequency compensated.
• Low noise input transistors.
Internal Block Diagram
Descriptions
The KA4558 is a monolithic integrated circuit designed for
dual operational amplifier.
8-DIP
1
8-SOP
1
9-SIP
1
©2001 Fairchild Semiconductor Corporation
Rev. 1.0.1
KA4558
Schematic Diagram
(One Section Only)
Absolute Maximum Ratings
Parameter Symbol Value Unit
Supply Voltage V
Differential Input Voltage V
Input Voltage V
Power Dissipation P
Operating Temperature Range
KA4558
KA4558I
Storage Temperature Range T
2
CC
I(DIFF)
I
D
T
OPR
STG
±22 V
30 V
±15 V
400 mW
0 ~ 70
°C
-40 ~ 85
-65 ~ 150 °C
Electrical Characteristics
(VCC = 15V, VEE = - 15V ,TA = 25
°C unless otherwise specified)
KA4558
Parameter Symbol Conditions
Input Offset Voltage V
Input Offset Current I
Input Bias Current I
Large Signal
Voltage Gain
Common Mode Input
Voltage Range
Common Mode
Rejection Ratio
Supply Voltage
Rejection Ratio
Output Voltage Swing V
Supply Current
(Both Amplifiers)
Power Consumption
(Both Amplifiers)
IO
IO
BIAS
G
V
I(R)
CMRR
PSRR
O(P-P)
I
CC
P
Slew Rate (Note2) SR
Rise Time (Note2) T
Overshoot (Note2) OS
KA4558/KA4558I
Min Typ Max
R
≤10KΩ -26
S
Note 1 - - 7.5
Unit
mV
- 5 200
A=TA(MAX)
=T
T
A
A(MIN)
- - 300
- - 300
nAT
- 30 500
A=TA(MAX)
=T
T
A
A(MIN)
V
V
O(P-P)
= ±10V,R
≤2KΩ 20 200 -
L
Note 1 - - -
- - 800
- - 800
±12 ±13 -
Note 1 - - -
R
≤10KΩ 70 90 -
S
Note 1 - - -
≤10KΩ 76 90 -
R
S
Note 1 76 90 -
R
≥10KΩ
L
≥2KΩ±10 ±13 -
R
L
Note1
±12 ±14 -
nAT
V/mV
V
dB
dB
V
-3.55.8
=T
A
A(MAX)
T
=T
A
A(MIN)
--5.0
--6.7
mAT
- 70 170
≥2KΩ
L
L
L
=T
A
T
= T
a
≥2KΩ
≥2KΩ
A(MAX)
A(MIN)
C
=10V, R
V
I
C
≤100pF
I
R
VI =20mV, R
C
≤100pF
I
=20mV, R
V
I
C
≤100pF
I
- - 150
mWT
- - 200
1.2 - - V/µs
-0.3- µs
-15- %
Note :
1. KA4558 : T
2. Guaranteed by design.
A(MIN)
≤T
A≤TA(MAX)
= 0≤T
≤ 70 °C , KA4558I : T
A
A(MIN)
≤T
A≤TA(MAX)
= -40≤T
≤ +85 °C
A
3
KA4558
Typical Performance Characteristics
Figure 1. Burst Noise vs Source Resistance Figure 2. RMS Noise vs Source Resistance
Figure 3. Output Noise vs Sou rce Resistance Figure 4. Spectral Noise Density
Figure 5. Open Loop Frequency Response Fi gure 6. Phase Margin vs Frequency
4
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