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OPA348 Datasheet, PDF (4/19 Pages) Texas Instruments – 1MHz, 45UA, CMOS, Rail-to-Rail OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS
At TA = +25°C, RL = 100kΩ connected to VS / 2 and VOUT = VS / 2, unless otherwise noted.
OPEN-LOOP GAIN AND PHASE vs FREQUENCY
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
60
40
20
0
10
PSRR AND CMRR vs FREQUENCY
CMRR
PSRR
100
1k
10k
100k
1M
10M
Frequency (Hz)
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY
6
VS = 5.5V
5
4
VS = 5V
3
2
VS = 2.5V
1
0
1k
10k
100k
1M
10M
Frequency (Hz)
CHANNEL SEPARATION vs FREQUENCY
140
120
100
80
60
10
100
1k
10k 100k
1M
10M
Frequency (Hz)
QUIESCENT AND SHORT-CIRCUIT CURRENT
vs SUPPLY VOLTAGE
65
13
ISC
55
10
45
7
IQ
35
4
25
1
2
2.5
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
2.5
2
+125°C +25°C
VS = ±2.5V
1.5
–40°C
1
Sourcing Current
0.5
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)
4
OPA348, 2348, 4348
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SBOS213C