Datasheet

OPA349, 2349
5
SBOS121B
www.ti.com
TYPICAL CHARACTERISTICS
At T
A
= +25°C, V
S
= +5V, and R
L
= 1MΩ connected to V
S
/2, unless otherwise noted.
R
L
= 10kΩ
R
L
= 1MΩ
–75 –50 –250 25507585
Temperature (°C)
OPEN-LOOP GAIN vs TEMPERATURE
100
95
90
85
80
75
70
65
60
Gain (dB)
Single version operation
below 0°C is not recommended.
–75 –50 –25 0 25 50 75 85
Temperature (°C)
COMMON-MODE REJECTION RATIO
vs TEMPERATURE
80
75
70
65
60
55
50
CMRR (dB)
–0.2V < V
CM
< 3.5V
–0.2V < V
CM
< 5.2V
Single version operation
below 0°C is not recommended.
POWER-SUPPLY REJECTION RATIO vs FREQUENCY
Frequency (Hz)
PSRR (dB)
100
90
80
70
60
50
40
30
20
10
0
10 100 1k 10k 100k
+PSRR
–PSRR
80
70
60
50
40
PSRR (dB)
–75 –50 –25 0 25 50 75 85
Temperature (°C)
POWER-SUPPLY REJECTION RATIO
vs TEMPERATURE
Single version operation
below 0°C is not recommended.
COMMON-MODE REJECTION RATIO vs FREQUENCY
Frequency (Hz)
CMRR (dB)
80
70
60
50
40
30
20
10
0
10 100 1k 10k 100k
OPEN-LOOP GAIN AND PHASE vs FREQUENCY
Frequency (Hz)
Gain (dB)
Phase (°)
100
90
80
70
60
50
40
30
20
10
0
0
45
90
135
180
1 10 100 1k 10k 100k 1M0.1
Gain
Phase