Datasheet

TLC225x, TLC225xA
Advanced LinCMOS RAIL-TO-RAIL
VERY LOW-POWER OPERATIONAL AMPLIFIERS
SLOS176D – FEBRUARY 1997 – REVISED MARCH 2001
43
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
0 1020304050
V
DD±
= ±5 V
R
L
= 50 kΩ
C
L
= 100 pF
A
V
= 1
T
A
= 25°C
–0.1
–0.05
0
0.05
0.1
Figure 49
VN – Equivalent Input Noise Voltage – nv//Hz
f – Frequency – Hz
EQUIVALENT INPUT NOISE VOLTAGE
†
vs
FREQUENCY
nV/ Hz
V
n
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 50
EQUIVALENT INPUT NOISE VOLTAGE
vs
FREQUENCY
f – Frequency – Hz
VN – Equivalent Input Noise Voltage – nv//Hz
nV/ Hz
V
n
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
EQUIVALENT 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 curves where V
DD
= 5 V, all loads are referenced to 2.5 V.