Datasheet

OPA349, 2349
6
SBOS121B
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, V
S
= +5V, and R
L
= 1MΩ connected to V
S
/2, unless otherwise noted.
–55 –35 –15 0 5 25 45 65 85
Temperature (°C)
SHORT-CIRCUIT CURRENT vs TEMPERATURE
15
10
5
0
–5
–10
–15
Short-Circuit Current (mA)
V
S
= +5.5V
V
S
= +5.5V
V
S
= +2.5V
V
S
= +2.5V
V
S
= +1.8V
Single version operation
below 0°C is not recommended.
OPA2349
OPA349
–75 –50 –25 0 25 50 75 85
Temperature (°C)
QUIESCENT CURRENT vs TEMPERATURE
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Quiescent Current (µA)
INPUT BIAS CURRENT vs TEMPERATURE
–75
Input Bias Current (pA)
Temperature (°C)
–50
–25 0
25
50 75
85
10k
1k
100
10
1
0.1
Single version operation
below 0°C is not recommended.
INPUT VOLTAGE NOISE DENSITY
Frequency (Hz)
Voltage Noise (nV/√Hz)
1000
400
100
10 100 1k 10k
CHANNEL SEPARATION vs FREQUENCY
Frequency (Hz)
Channel Separation (dB)
100
90
80
70
60
50
40
30
20
10
0
10 100 1k 10k 100k
12
10
8
6
4
2
1.4
1.2
1.0
0.8
0.6
0.4
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
QUIESCENT AND SHORT-CIRCUIT
vs SUPPLY VOLTAGE
Short-Circuit Current, I
SC
(mA)
Quiescent Current (µA)
Supply Voltage (V)
I
Q
I
SC
at –40°C
(dual version only)
I
SC
at 25°C
I
SC
at 125°C