Electrical characteristics
TL084
Figure 14. Common mode rejection ratio
versus free air temperature
89
COMMON MODE MODE REJECTION
RATIO (dB)
88
87
86
85
84
83
-75
-50
-25
0
25
50
75
100
125
R
L
= 10 kΩ
V
C C
= 15V
Figure 15. Voltage follower large signal pulse
response
INPUT AND OUTPUT
VOLTAGES
(V)
6
4
2
0
-2
-4
-6
0
V
CC
=
OUTPUT
INPUT
15V
R
L
= 2 kW
C
L
= 100pF
T
amb
= +25°C
0.5
1
1.5
2
2.5
3
3.5
TEMPERATURE (˚C)
TIME (
m
s)
Figure 16. Output voltage versus elapsed time Figure 17. Equivalent input noise voltage
versus frequency
28
24
20
16
12
8
4
10%
70
EQUIVALENT INPUT NOISE
VOLTAGE (nV/VHz)
OVERSHOOT
90%
60
50
40
30
20
10
0
10
40
100
400
1k
OUTPUT VOLTAGE (mV)
V
CC
= 15V
A
V
= 10
R
S
= 100
Ω
T
amb
= +25˚C
V
CC
= 15V
t
r
0
0.1
0.2
0.3
0.4
TIME (
μ
s)
R
L
= 2k
Ω
T
amb
= +25˚C
0.5
0.6
0.7
0
-4
4k
10k
40k 100k
FREQUENCY (Hz)
Figure 18. Total harmonic distortion versus
frequency
1
TOTAL HARMONIC DISTORTION
(%)
0.4
0.1
0.04
0.01
0.004
0.001
100
400
1k
4k
10k
40k
100k
FREQUENCY (Hz)
V V = = 15V
15V
CC
CC
1
A A
V
= = 1
V
V V
O (rms)
= 6V
(rms)
= 6V
O
T
amb
= = +25˚C
T
amb
+25˚C
8/16
STMICROELECTRONICS [ STMICROELECTRONICS ]
