Datasheet

LT1468
9
1468fb
TYPICAL PERFORMANCE CHARACTERISTICS
Total Harmonic Distortion + Noise
vs Frequency
Total Harmonic Distortion + Noise
vs Amplitude
Undistorted Output Swing
vs Frequency, ± 15V
Small-Signal Transient, A
V
= 1 Small-Signal Transient, A
V
= –1
Undistorted Output Swing
vs Frequency, ± 5V
Large-Signal Transient, A
V
= 1 Large-Signal Transient, A
V
= –1
Total Noise vs Unmatched
Source Resistance
FREQUENCY (Hz)
20
0.0001
THD + NOISE (%)
0.001
0.010
100 1k 20k10k
1468 G28
V
S
= ±15V
T
A
= 25°C
R
L
= 600Ω
V
O
= 20V
P-P
NOISE BW = 80kHz
A
V
= 10
A
V
= 1
MEASUREMENT
LIMIT
OUTPUT SIGNAL (V
RMS
)
0.01
–110
THD + NOISE (dB)
–70
–60
–50
0.1 1 10
1468 G29
–80
–90
–100
±15V±5V
T
A
= 25°C
A
V
= 10
R
L
= 600Ω
f = 10kHz
NOISE BW = 80kHz
FREQUENCY (kHz)
1
0
OUTPUT VOLTAGE SWING (V
P-P
)
20
25
30
10 100 1000
1468 G30
15
10
5
A
V
= 1
A
V
= –1
V
S
= ±15V
R
L
= 2k
V
S
= ±15V
1468 G31
V
S
= ±15V
1468 G32
FREQUENCY (kHz)
1
4
OUTPUT VOLTAGE SWING (V
P-P
)
5
6
7
8
10 100 1000
1468 G33
3
2
1
0
9
10
V
S
= ±5V
R
L
= 2k
A
V
= 1
A
V
= –1
V
S
= ±15V
1468 G34
V
S
= ±15V
1468 G35
SOURCE RESISTANCE, R
S
(Ω)
1
TOTAL NOISE VOLTAGE (nV/√Hz)
10
10 1k 10k 100k
1468 G36
0.1
100
100
V
S
= ±15V
T
A
= 25°C
f = 10kHz
TOTAL
NOISE
RESISTOR
NOISE ONLY
R
S
–
+