Datasheet

TLV2231, TLV2231Y
Advanced LinCMOS RAIL-TO-RAIL
LOW-POWER SINGLE OPERATIONAL AMPLIFIERS
SLOS158D – JUNE 1996 – REVISED APRIL 2001
22
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 44
– Equivalent Input Noise Voltage –
f – Frequency – Hz
EQUIVALENT INPUT NOISE VOLTAGE
†
vs
FREQUENCY
V
n
nV/
Hz
80
60
40
0
120
100
20
10
1
10
2
10
3
10
4
V
DD
= 3 V
R
S
= 20 Ω
T
A
= 25°C
Figure 45
– Equivalent Input Noise Voltage –
f – Frequency – Hz
EQUIVALENT INPUT NOISE VOLTAGE
†
vs
FREQUENCY
V
n
nV/ Hz
80
40
20
0
120
60
100
10
1
10
2
10
3
10
4
V
DD
= 5 V
R
S
= 20 Ω
T
A
= 25°C
Figure 46
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 47
THD + N – Total Harmonic Distortion Plus Noise – %
f – Frequency – Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
†
vs
FREQUENCY
0.1
10
0.01
10
1
10
2
10
3
10
4
10
5
1
A
V
= 100
A
V
= 10
A
V
= 1
A
V
= 100
A
V
= 10
A
V
= 1
V
DD
= 5 V
T
A
= 25°C
R
L
= 600 Ω to 2.5 V
R
L
= 600 Ω to 0 V
†
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.