Datasheet

SLOS156E − MAY 1996 − REVISED SEPTEMBER 2006
 
  
   
23
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 45
− Equivalent Input Noise Voltage −
f − Frequency − Hz
EQUIVALENT INPUT NOISE VOLTAGE
vs
FREQUENCY
V
n
nV/
Hz
40
30
20
0
60
50
10
V
DD
= 3 V
R
S
= 20
T
A
= 25°C
70
80
10
1
10
2
10
3
10
4
Figure 46
− Equivalent Input Noise Voltage −
f − Frequency − Hz
EQUIVALENT INPUT NOISE VOLTAGE
vs
FREQUENCY
V
n
nV/ Hz
40
20
10
0
60
30
50
V
DD
= 5 V
R
S
= 20
T
A
= 25°C
70
80
10
1
10
2
10
3
10
4
Figure 47
Noise Voltage − nV
t − Time − s
INPUT NOISE VOLTAGE OVER
A 10-SECOND PERIOD
0246
0
750
1000
810
500
250
500
750
1000
250
V
DD
= 5 V
f = 0.1 Hz to 10 Hz
T
A
= 25°C
Figure 48
f − Frequency − Hz
THD + N − Total Harmonic Distortion Plus Noise − %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
10
2
10
3
10
4
A
V
= 10
A
V
= 1
10
1
0.1
0.01
10
1
A
V
= 100
V
DD
= 10 V
V
IC
= 2.5 V
R
L
= 10 k
T
A
= 25°C
For all curves where V
DD
= 5 V, all loads are referenced to 2.5 V. For all curves where V
DD
= 3 V, all loads are referenced to 1.5 V.