Datasheet

 
  
   

SLOS185D − FEBRUARY 1997 − REVISED AUGUST 2006
35
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 48
VOLTAGE-FOLLOWER SMALL-SIGNAL
PULSE RESPONSE
†
VO − Output Voltage − V
V
O
t − Time − µs
2.5
2.45
2.4
0102030
2.55
2.6
2.65
40 50
V
DD
= 5 V
R
L
= 50 kΩ
C
L
= 100 pF
A
V
= 1
T
A
= 25°C
Figure 49
− Equivalent Input Noise Voltage −
f − Frequency − Hz
EQUIVALENT INPUT NOISE VOLTAGE
†
vs
FREQUENCY
V
n
nV/ Hz
40
30
20
0
60
50
10
10
1
10
2
10
3
10
4
V
DD
= 3 V
R
S
= 20 Ω
T
A
= 25°C
Figure 50
− Equivalent Input Noise Voltage −
f − Frequency − Hz
EQUIVALENT INPUT NOISE VOLTAGE
†
vs
FREQUENCY
V
n
nV/
Hz
40
20
10
0
60
30
50
10
1
10
2
10
3
10
4
V
DD
= 5 V
R
S
= 20 Ω
T
A
= 25°C
Figure 51
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
†
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.