Datasheet

LM2902 Electrical Characteristics
7/14
Figure 9. Common mode rejection ratio Figure 10. Output characteristics
Figure 11. Open loop frequency response Figure 12. Voltage follower pulse response
Figure 13. Large signal frequency response Figure 14. Output characteristics
COMMON MODE REJECTION RATIO
FREQUENCY (Hz)
120
100
80
60
40
20
0
100 1K
10K 100K
1M
CO
MM
O
NM
O
DE REJE
C
TI
O
NRATI
O(
dB
)
100
Ω
100k
Ω
+7.5V
-
+
e
I
100k
Ω
100
Ω
+7.5V
e
O
OUTPUT CHARACTERISTICS
OUTPUT SINK CURRENT (mA)
0,001 0,01 0,1 1 10 100
OUTPUT VOLTAGE (V)
VCC = +5V
VCC = +15V
VCC = +30V
-
I
O
V
O
T
amb
= +25°C
v
cc
/2
v
cc
+
10
1
0.1
0.01
VOLTAGE GAIN (dB)
OPEN LOOP FREQUENCY RESPONSE
(NOTE 3)
1.0 10 100 1k 10k 100k 1M 10M
V
CC
= +10 to + 15V &
FREQUENCY (Hz)
10M
Ω
V
I
V
CC
/2
V
CC
= 30V &
0.1
µ
F
V
CC
V
O
-
+
-55°C
T
amb
+125°C
140
120
100
80
60
40
20
0
-55°C
T
amb
+125°C
OUTPUT VOLTAGE (mV)
VOLTAGE FOLLOWER PULSSE RESPONSE
(SMALL SIGNAL)
012345678
Input
T
amb
=+25°C
V
CC
=30V
Output
e
O
e
l
50pF
+
-
TIME (
µ
s)
500
450
400
350
300
250
LARGE SIGNAL FREQUENCY RESPONSE
FREQUENCY (Hz)
1k 10k 100k 1M
OUTPUT SWING (Vpp)
+7V
2k
Ω
1k
Ω
100k
Ω
+15V
VO
-
+
V
I
20
15
10
5
0
OUTPUT VOLTAGE REFERENCED
TO V
CC
+
(V)
OUTPUT CHARACTERISTICS
0,01 0,1 1 10 100
0,001
Independent of V
CC
T
amb
= +25°C
+
-
V
CC
V
O
I
O
V
CC
/2
OUTPUT SOURCE CURRENT (mA)
8
7
6
5
4
3
2
1