Datasheet

TLC226x, TLC226xA
Advanced LinCMOS RAIL-TO-RAIL
OPERATIONAL AMPLIFIERS
SLOS177D – FEBRUARY 1997 – REVISED MARCH 2001
44
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
40
20
10
0
60
30
50
10
1
10
2
10
3
10
4
EQUIVALENT INPUT NOISE VOLTAGE
vs
FREQUENCY
f – Frequency – Hz
VN – Equivalent Input Noise Voltage – nv//Hz
nV/ Hz
V
n
V
DD±
= ±5 V
R
S
= 20 Ω
T
A
= 25°C
Figure 52
0246
Noise Voltage – nV
0
750
t – Time – s
EQUIVALENT INPUT NOISE VOLTAGE OVER
A 10-SECOND PERIOD
†
1000
810
500
–250
–500
–750
–1000
250
V
DD
= 5 V
f = 0.1 Hz to 10 Hz
T
A
= 25°C
Figure 53
0.1
Integrated Noise Voltage –
f – Frequency – Hz
INTEGRATED NOISE VOLTAGE
vs
FREQUENCY
1
10
100
10
0
10
1
10
2
10
3
10
4
10
5
Calculated Using Ideal Pass-Band Filter
Low Frequency = 1 Hz
T
A
= 25°C
Vµ
Figure 54
0.01
0.1
THD + N – Total Harmonic Distortion Plus Noise – %
f – Frequency – Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
†
vs
FREQUENCY
0.001
10
1
10
2
10
3
10
4
10
5
A
V
= 100
A
V
= 10
A
V
= 1
V
DD
= 5 V
R
L
= 50 kΩ
T
A
= 25°C
Figure 55
†
For curves where V
DD
= 5 V, all loads are referenced to 2.5 V.