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TSV85X Fiches technique(PDF) 11 Page - STMicroelectronics

No de pièce TSV85X
Description  Low-power, high-accuracy, general-purpose operational amplifier
PDF  31 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TSV85X Fiches technique(HTML) 11 Page - STMicroelectronics

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DocID022468 Rev 4
11/31
TSV85x, TSV85xA
Electrical characteristics
31
Figure 8. Voltage gain and phase with
Cl = 100 pF
Figure 9. Voltage gain and phase with
Cl = 200 pF
10k
100k
1M
10M
-20
-10
0
10
20
30
40
-270
-225
-180
-135
-90
-45
0
Frequency (Hz)
Gain
Phase
Vcc=5V
Vicm=2.5V
Rl=50k
Ω
Cl=100pF
Gain=-100
T=125°C
T=-40°C
T=25°C
10k
100k
1M
10M
-20
-10
0
10
20
30
40
-270
-225
-180
-135
-90
-45
0
Frequency (Hz)
Gain
Phase
Vcc=5V
Vicm=2.5V
Rl=50k
Ω
Cl=200pF
Gain=-100
T=125°C
T=-40°C
T=25°C
Figure 10. Gain margin vs. load capacitor at
VCC = 5 V
Figure 11. Phase margin vs. load capacitor at
VCC = 5 V
100
1000
0
0
3
5
5
8
10
10
13
15
15
18
20
20
Rl=100k
Ω
Vcc=5V
Vicm=2.5V
Vload=2.5V
T=25°C
T=125°C
T=-40°C
Rl=600
Ω
Load Capacitor (pF)
100
1000
0
0
10
20
20
30
40
40
50
60
60
70
80
80
90
Rl=100k
Ω
Vcc=5V
Vicm=2.5V
Vload=2.5V
T=25°C
T=125°C
T=-40°C
Rl=600
Ω
Load Capacitor (pF)
Figure 12. Closed-loop gain in voltage follower
configuration for different capacitive loads
Figure 13. Phase margin vs. output current at
VCC = 5 V
1k
10k
100k
1M
10M
-15
-10
-10
-5
0
0
5
10
10
15
Vcc=5V
Vicm=2.5V
Rl=10k
Ω
T=25°C
Cl=45pF
Cl=1000pF
Cl=100pF
Cl=200pF
Cl=500pF
Frequency (Hz)
-1.0 -0.8 -0.6 -0.4 -0.2
0.0
0.2
0.4
0.6
0.8
1.0
0
10
20
30
40
50
60
70
80
Sink
Source
Cl=200pF
Cl=100pF
Vcc=5V
Vicm=2.5V
Vload=2.5V
Rl=10K
Ω
T=25°C
Output Current (mA)



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