Datasheet

4
®
OPA4243
TYPICAL PERFORMANCE CURVES
At T
A
= +25°C, R
L
= 20kΩ connected to ground, unless otherwise noted.
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
Frequency (Hz)
Voltage Noise (nV√Hz)
1000
100
10
1
1 10 100 1k 10k 100k
Current Noise (fA√Hz)
1000
100
10
1
Voltage Noise
Current Noise
60
55
50
45
40
35
30
20
–30
–25
–20
–15
+15
+10
+5
0
Short-Circuit Current (mA)
Quiescent Current (µA)
QUIESCENT CURRENT vs TEMPERATURE
–75
–50
–25
025
50
75
100
125
Temperature (°C)
V
S
= ±15V
–I
SC
+I
SC
I
Q
180
160
140
120
100
80
60
40
20
0
–20
OPEN-LOOP GAIN AND PHASE vs FREQUENCY
1
Frequency (Hz)
10
100
1k
10k
100k 1M
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
A
OL
(dB)
Phase(°)
V
S
= ±15V
Gain
Phase
POWER SUPPLY AND COMMON-MODE
REJECTION RATIO vs FREQUENCY
1
10
100
1k
10k
100k
1M
Frequency (Hz)
120
110
100
90
80
70
60
50
40
30
PSRR, CMRR (dB)
V
S
= ±15V
CMRR
PSRR
52
48
44
40
36
32
28
24
Quiescent Current (µA)
0
4
812
16
20
24
28
32
36
35
30
25
20
15
10
5
0
Short-Circuit Current (mA)
Supply Voltage (V)
QUIESCENT CURRENT AND SHORT-CIRCUIT
vs SUPPLY VOLTAGE
+I
SC
–I
SC
I
Q
160
150
140
130
120
110
100
90
80
70
60
CHANNEL SEPARATION
1
10
100 1k
10k
100k
Separation (dB)
V
S
= ±15V
Frequency (Hz)