DUAL OPERATIONAL AMPLIFIERS
TYPICAL PERFORMANCE CHARACTERISTICS
LM4558
1000
100
10
OUTPUT NOISE (rms) (mV
Input Noise(peak) (㎶)
100
INPUT NOISE (rms) (㎶)
G
V
=1000
1.0
G
V
=100
0.1
G
V
=10
G
V
=1
10
10
1.0
0
10 100
1.0k 10k 100k 10M
SOURCE RESISTANCE(Ω)
Figure 1. Burst Noise vs Source Resistance
0
10 100
1.0k 10k 100k 1M
SOURCE RESISTANCE(Ω)
Figure 2. RMS Noise vs Source Resistance
0
10 100
1.0k 10k 100k 1M
SOURCE RESISTANCE(Ω)
Figure 3. Output Noise vs Source Resistance
140
A
vol.
VOLTAGE GAIN (dB)
120
INPUT NOISE
100
80
60
40
20
0
10
100
1.0K
10k
100k
FREQUENCY(㎐)
Figure 4. Spectral Noise Density
Gv =10, Rs=100㏀
140
PHASE MARGIN (DECREES)
120
100
80
60
40
20
0
-20
1.0
180
160
140
120
100
80
60
40
10
100
1.0k
10K 100K 1M
10M
20
1.0
10
100 1.0k 10K 100K 1M
FREQUENCY(㎐)
10M
UNITY
G
FREQUENCY(㎐)
Figure 5. Open Loop Frequency Response
Figure 6. Phase Margin vs Frequency
OUTPUT CHARACTERISITICS
CURRENT SINKING
1
±15 supplies
1
V
O
-OUTPUT VOLTAGE
peak
)
(V
V
O
-OUTPUT VOLTAGE
peak
)
(V
1
9.
±9
7.
5.
3.
1.
10
50 1.0 2.0
10 20
50
100
LOAD RESISTANCE (Ω)
Figure 7. Positive Output Voltage Swing vs Load Resistance
±6
±12
15
±15 supplies
V
0
-OUTPUT VOLTAGE(Vp-p)
13
11
9.0
±9
7.0
5.0
3.0
1.0
100
500 1.0K2.0K
10k 20k
50k
100k
LOAD RESISTANCE (Ω)
Figure 7. Negative Output Voltage Swing vs Load Resistance
±6
±12
24
20
16
12
8
4
0
10
100
1.0k 10k
100k 1000k 1M
FREQUENCY(Hz)
Figure 9. Power Bandwidth
±3
±3
HTC
-3-
HTC [ HTC KOREA TAEJIN TECHNOLOGY CO. ]
