Datasheet

7
LT1497
Settling Time to 10mV
vs Output Step
Spot Noise Voltage and Current
vs Frequency
SETTLING TIME (ns)
0
OUTPUT STEP (V)
2
6
10
80
1497 G16
–2
–6
0
4
8
–4
–8
–10
20
40
60
100
A
V
= –1
A
V
= –1
A
V
= 1
A
V
= 1
V
S
= ±15V
R
F
= 560Ω
FREQUENCY (Hz)
10 100
1
SPOT NOISE (nV/√Hz OR pA/√Hz)
10
100
1k 10k 100k
1497 G18
–i
n
+i
n
e
n
Settling Time to 1mV
vs Output Step
SETTLING TIME (ns)
0
OUTPUT STEP (V)
2
6
10
200
1497 G17
–2
–6
0
4
8
–4
–8
–10
50
100
150
250
175
25
75
125
225
A
V
= –1
A
V
= –1
A
V
= 1
A
V
= 1
V
S
= ±15V
R
F
= 560Ω
TYPICAL PERFORMANCE CHARACTERISTICS
UW
Total Harmonic Distortion
vs Frequency
2nd and 3rd Harmonic Distortion
vs Frequency
FREQUENCY (Hz)
10 100
0.001
TOTAL HARMONIC DISTORTION (%)
0.01
0.10
1k 10k 100k
1497 G19
V
S
= ±15V
R
L
= 100Ω
R
F
= R
G
= 560Ω
V
OUT
= 2V
RMS
V
OUT
= 7V
RMS
FREQUENCY (MHz)
0.1
–100
DISTORTION (dBc)
–90
–80
–70
–60
–20
110
1497 G20
–50
–40
–30
A
V
= 1
2ND
V
S
= ±15V
V
OUT
= 5V
P-P

R
L
= 50Ω
R
F
= 560Ω
A
V
= –1
3RD
A
V
= –1
2ND
A
V
= 1
3RD
3rd Order Intercept vs Frequency
FREQUENCY (MHz)
0
3RD ORDER INTERCEPT (dBm)
15
20
25
30
40
5
10 15 20
1497 G21
25 30
35
10
V
S
= ±15V
R
L
= 50Ω
R
F
= 270Ω
R
G
= 30Ω
PO1 = PO2 = 4dBm
Power Supply Rejection
vs Frequency
Amplifier Crosstalk vs Frequency
Output Impedance vs Frequency
FREQUENCY (Hz)
10k 100k
0.01
OUTPUT IMPEDANCE (Ω)
1
100
1M 10M 100M
1497 G22
0.1
10
V
S
= ±15V
R
F
= R
G
= 1.5k
R
F
= R
G
= 560Ω
FREQUENCY (Hz)
20
POWER SUPPLY REJECTION (dB)
40
50
70
80
10k 1M 10M 100M
1497 G23
0
100k
60
30
10
V
S
= ±15V
R
L
= 50Ω
R
F
= R
G
= 560Ω
POSITIVENEGATIVE
FREQUENCY (Hz)
–80
OUTPUT TO INPUT CROSSTALK (dB)
–60
–40
–50
–20
–10
–90
–70
–30
10k 1M 10M 100M
1497 G24
–100
–110
100k
V
S
= ±15V
A
V
= 10
R
L
= 100Ω
R
F
= 560Ω
R
G
= 62Ω