Datasheet

5
LT1497
V
S
= ±5V, Peaking ≤ 1dB
A
V
R
L
R
F
R
G
–3dB BW (MHz)
–1 150 510 510 45.0
50 560 560 32.0
20 560 560 23.2
1 150 510 – 44.3
50 560 – 31.7
20 560 – 22.9
2 150 510 510 41.7
50 560 560 30.4
20 560 560 21.9
10 150 270 30 28.1
50 270 30 21.9
20 270 30 14.6
SMALL-SIGNAL BANDWIDTH
UU W
V
S
= ±15V, Peaking ≤ 1dB
A
V
R
L
R
F
R
G
–3dB BW (MHz)
–1 150 560 560 59.2
50 560 560 43.1
20 620 620 30.0
1 150 560 – 57.0
50 560 – 42.7
20 560 – 30.3
2 150 510 510 59.1
50 560 560 41.7
20 620 620 20.7
10 150 270 30 43.4
50 270 30 30.9
20 270 30 19.0
Voltage Gain and Phase
vs Frequency, Gain = 20dB
FREQUENCY (MHz)
0.1
16
VOLTAGE GAIN (dB)
PHASE SHIFT (DEG)
18
20
22
24
1 10 100
1497 G04
14
12
10
8
26
28
270
225
180
135
90
45
0
±15V
GAIN
PHASE
±5V
±5V
±15V
R
L
= 100Ω
R
F
= 270Ω
R
G
= 30Ω
SUPPLY VOLTAGE (±V)
0
0
–3dB BANDWIDTH (MHz)
10
30
40
50
12
90
1497 G05
20
618
10
416
8
214
60
70
80
PEAKING ≤ 1dB
PEAKING ≤ 5dB
R
F
= 430Ω
R
F
= 270Ω
R
F
= 750Ω
R
F
= 560Ω
R
F
= 1k
GAIN = 10
R
L
= 1k
SUPPLY VOLTAGE (±V)
0
0
–3dB BANDWIDTH (MHz)
10
30
40
50
12
90
1497 G06
20
618
10
416
8
214
60
70
80
PEAKING ≤ 1dB
PEAKING ≤ 5dB
R
F
= 270Ω
R
F
= 1k
GAIN = 10
R
L
= 100Ω
R
F
= 430Ω
R
F
= 560Ω
R
F
= 750Ω
–3dB Bandwidth
vs Supply Voltage
–3dB Bandwidth
vs Supply Voltage
SUPPLY VOLTAGE (±V)
0
0
–3dB BANDWIDTH (MHz)
10
30
40
50
12
90
1497 G03
20
618
10
416
8
214
60
70
80
PEAKING ≤ 1dB
PEAKING ≤ 5dB
R
F
= 470Ω
R
F
= 560Ω
R
F
= 750Ω
R
F
= 1k
GAIN = 2
R
L
= 100Ω
FREQUENCY (MHz)
0.1
3
VOLTAGE GAIN (dB)
PHASE SHIFT (DEG)
4
5
6
7
1 10 100
1497 G01
2
1
0
–1
8
9
270
225
180
135
90
45
0
±15V
GAIN
PHASE
±5V
±5V
±15V
R
L
= 100Ω
R
F
= R
G
= 560Ω
Voltage Gain and Phase
vs Frequency, Gain = 6dB
SUPPLY VOLTAGE (±V)
0
0
–3dB BANDWIDTH (MHz)
10
30
40
50
12
90
1497 G02
20
618
10
416
8
214
60
70
80
PEAKING ≤ 1dB
PEAKING ≤ 5dB
R
F
= 470Ω
R
F
= 560Ω
R
F
= 750Ω
R
F
= 1k
GAIN = 2
R
L
= 1k
–3dB Bandwidth
vs Supply Voltage
–3dB Bandwidth
vs Supply Voltage
TYPICAL PERFORMANCE CHARACTERISTICS
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