OPA348-Q1_16 Datasheet, PDF (8/32 Pages) Texas Instruments – CMOS Rail-to-Rail Operational Amplifier

OPA348-Q1, OPA2348-Q1, OPA4348-Q1
SBOS465C – JANUARY 2009 – REVISED JANUARY 2016
6.7 Typical Characteristics
At T_A = 25°C, R_L = 100 kΩ connected to V_S / 2, V_OUT = V_S / 2 (unless otherwise noted).
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140
0
120
100
–45
80
Gain
60
40
Phase ^–90
20
–135
0
–20
–180
0.1 1 10 100 1k 10k 100k 1M 10M
Frequency (Hz)
100
80
CMRR
60
40
PSRR
20
0
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Figure 1. Open-Loop Gain and Phase vs Frequency
6
V_S = 5.5 V
5
4
V_S = 5 V
3
2
V_S = 2.5 V
1
0
1k
10k
100k
1M
10M
Frequency (Hz)
Figure 2. PSRR and CMRR vs Frequency
140
120
100
80
60
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Figure 3. Maximum Output Voltage vs Frequency
65
13
I_SC
55
10
45
7
I_Q
35
4
25
2
2.5
3
3.5
4
4.5
Supply Voltage (V)
1
5
5.5
Figure 5. Quiescent and Short-Circuit Current
vs Supply Voltage
Figure 4. Channel Separation vs Frequency
2.5
2
+125°C
1.5
1
Sourcing Current
0.5
+25°C
–40°C
0
–0.5
–1
Sinking Current
–1.5
–2
–2.5
+125°C
–40°C
+25°C
0
5
10
15
20
Output Current (mA)
VS = ±2.5V
Figure 6. Output Voltage Swing vs Output Current
8
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