Datasheet

LT1115
4
1115fa
Wideband Voltage Noise
(0.1Hz to Frequency Indicated)
RMS VOLTAGE NOISE (µV)
0.01
BANDWIDTH (Hz)
0.1
1
10
LT1115 • TPC02
1k
100
10k
100k
1M
10M
V
S
= ± 18V
T
A
= 25
°
C
Wideband Noise, DC to 20kHz
FPO
0.5ms/DIV
Total Noise vs Matched Source
Resistance
THD + Noise vs Frequency
(A
V
= –10)
THD + Noise vs Frequency
(A
V
= –100)
THD + Noise vs Frequency
(A
V
= –1000)
THD + Noise vs Frequency
(A
V
= 10)
THD + Noise vs Frequency
(A
V
= 100)
THD + Noise vs Frequency
(A
V
= 1000)
0.5µV/DIV
FREQUENCY (Hz)
20
TOTAL HARMONIC DISTORTION + NOISE (%)
0.001
0.0005
0.010
100 1k
20k
A
V
= –10
R
L
= 600
V
IN
= 2V
P-P
(700mV
RMS)
V
OUT
= 20V
P-P
(7V
RMS)
T
A
= 25
°
C
V
S
= ±18V
LT1115 • TPC04
FREQUENCY (Hz)
20
0.001
0.010
0.1
100 1k
20k
TOTAL HARMONIC DISTORTION + NOISE (%)
A
V
= –100
R
L
= 600
V
IN
= 200mV
P-P
(70mV
RMS)
V
OUT
= 20V
P-P
(7V
RMS)
T
A
= 25
°
C
V
S
= ±18V
LT1115 • TPC05
FREQUENCY (Hz)
20
0.001
0.010
0.1
100 1k
20k
TOTAL HARMONIC DISTORTION + NOISE (%)
AV = – 1000
R
L
= 600
V
IN
= 20mV
P-P
(7mV
RMS)
V
OUT
= 20V
P-P
(7V
RMS)
T
A
= 25
°
C
V
S
= ±18V
LT1115 • TPC06
FREQUENCY (Hz)
20
TOTAL HARMONIC DISTORTION + NOISE (%)
0.001
0.0005
0.010
100 1k
20k
A
V
= 10
R
L
= 600
V
IN
= 2V
P-P
(700mV
RMS)
V
OUT
= 20V
P-P
(7V
RMS)
T
A
= 25
°
C
V
S
= ±18V
LT1115 • TPC07
FREQUENCY (Hz)
20
0.001
0.010
0.1
100
1k
20k
TOTAL HARMONIC DISTORTION + NOISE (%)
A
V
= 1000
V
IN
= 20mV
P-P
(7mV
RMS)
V
OUT
= 20V
P-P
(7V
RMS)
T
A
= 25
°
C
R
L
= 600
V
S
= ±18V
LT1115 • TPC09
MATCHED SOURCE RESISTANCE, R
S
(Ω)
10k
10
10
100
100
1k 3k
1.0
0.1
1
3
30
300
TOTAL NOISE DENSITY (nV/√Hz)
AT 1kHz
AT 10Hz
2 R
S
NOISE ONLY
V
S
= ± 18V
T
A
=25
°
C
LT1115 • TPC03
R
S
R
S
+
–
TOTAL HARMONIC DISTORTION + NOISE (%)
0.001
0.0005
0.1
0.010
FREQUENCY (Hz)
20
100 1k
20k
A
V
= 100
V
IN
= 200mV
P-P
(700V
RMS)
V
OUT
= 20mV
P-P
(7V
RMS)
T
A
= 25
°
C
R
L
= 600
V
S
= ±18V
LT1115 • TPC08
TYPICAL PERFOR A CE CHARACTERISTICS
UW