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UTC4558
DUAL OPERATIONAL AMPLIFIER
DESCRIPTION
The UTC4558 is a monolithic integrated circuit designed for dual operational amplifier.
LI NEAR I NTEGRATED CI RCUI T
FEATURES
*No frequency compensation required. *No latch-up *Large commom mode and differential voltage range *Parameter tracking over temperature range *Gain and phase match between amplifiers *Internally frequency compensated *Low noise input transistors
DIP-8
SOP-8
BLOCK DIAGRAM
Vcc
IN(-)
OUT1
1
8
Vcc
IN(+)
IN1(-)
2
7
OUT2
IN1(+)
3
6
IN2(-)
OUTPUT
Vee
4
5
IN2(+)
Vee
ABSOLUTE MAXIMUM RATINGS
Characteristic
Supply Voltage Differential input voltage Power Dissipation Input Voltage Operating Temperature Storage Temperature
Symbol
Vcc VI(DIFF) PD VI TOPR TSTG
Value
22 18 400 15 0~+70 -65~+150
Unit
V V mW V C C
YOUW ANG ELECTRONI CO. CS LTD
1
UTC4558
Characteristic Supply Current Input offset voltage Input offset current Input bias current Large signal voltage gain Commom Mode Input Voltage Range Commom Mode Rejection Ratio Supply Voltage Rejection Ratio Output Voltage swing Power Comsumption Slew Rate Rise Time Overshoot Symbol Icc VIO IIO IBIAS Gv VI(R) CMRR PSRR Vo(p-p) Pc SR TRIS OS
LI NEAR I NTEGRATED CI RCUI T
Test Condition Rs<10k Min Typ. 3.5 2 5 30 200 13 90 90 12 70 0.3 15 Max 5.6 6 200 500 Unit mA mV nA nA V/mV V dB dB V mV V/s s %
ELECTRICAL CHARACTERISTICS( Ta=25C ,Vcc=15V,Vee=-15V)
Vo(p-p)=10V,RL<2k
20 12 70 76
Rs<10k Rs<10k RL>10k Vi=10V,RL>2k,CL<100pF Vi=20mV,RL>2k CL<100pF Vi=20mV,RL>2k,CL<100pF
14 170
1.2
TYPICAL PERFORMANCE CHARACTERISTICS
15.0 13.0 11.0 9.0 7.0 5.0 3.0 1.0 10
2
Fig.1 Positive output voltage swing vs Load resistance
Fig.2 Positive output voltage swing vs Load resistance
Output Voltage (peak) (V)
10
3
10
4
10
5
Output Voltage (peak) (V)
10
2
10
10
4
10
5
Load resistance ( ) Fig.3 Power bandwith(large signal swing vs frequency)
load resistance ( )
32.0 28.0 24.0
Output Voltage (V)
20.0 16.0 12.0 8.0 4.0 0 10 10
2
10
3
10
4
10
5
10
6
Frequency (Hz)
YOUW ANG ELECTRONI CO. CS LTD
2
UTC4558
Fig. 4 Burst Noise vs Rs
10
3
LI NEAR I NTEGRATED CI RCUI T
Fig. 5 RMS Noise vs Rs
10
2
Input Noise(peak) (mV)
10
2
BW=1.0Hz To 1.0KHz
10
1 10 10
2
10
3
10
4
10
5
Input Noise(RMS) (V)
10
1
0.1 10
6
10
10
2
10
3
10
4
10
5
10
6
Rs ( ) Fig. 6 Output Noise vs Rs
10 140 120 100 80 60
Rs ( ) Fig. 7 Spectral Noise Density
Gv=1000
Output Noise(RMS) (mV)
Input Noise(nV/Hz)
1 Gv=100
Gv=10 Rs=100k
Gv=10
10
-1
40
20 0
Gv=1 10
-2
10
10
2
10
3
10
4
10
5
10
6
10
100
10
3
10
4
10
5
10
6
Rs ( ) Fig. 8 Open loop frequency response
140 120 100 180 160 140 120
Frequency
Hz)
Fig. 9 PHASE MARGIN vs FREQUENCY
PHASE MARGIN
3 4 5 6 7
80
Avd ( dB)
100 80 60
60
40
20 0 -20 1 10 100 10
40
20 0 1 10 100 10
10
10
10
10
3
10
4
10
5
10
6
10
7
Frequency
Hz)
Frequency
Hz)
YOUW ANG ELECTRONI CO. CS LTD
3
UTC4558
PACKAGE DIMENSIONS
LI NEAR I NTEGRATED CI RCUI T
8-DIP-P-300
2.54
6.40
1.25 9.20 15 degree
3.40
0.46
8-SOP-P
0.41
3.30
5.08
7.62
1.27 5.13 4.92
YOUW ANG ELECTRONI CO. CS LTD
1.95
6.00
3.95
5.72
0.25
4

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