Datasheet

5
LT1675/LT1675-1
16751fb
TYPICAL PERFORMANCE CHARACTERISTICS
UW
FREQUENCY (Hz)
GAIN (dB)
6.5
6.4
6.3
6.2
6.1
6.0
5.9
5.8
5.7
5.6
5.5
10k 1M 10M 100M
1675 G03
100k
R
L
= 100Ω
R
G
B
Gain vs Frequency
FREQUENCY (Hz)
GAIN (dB)
6
5
4
3
2
1
0
–1
–2
–3
–4
100k 10M 100M 1G
1675 G02
1M
C
L
= 5pF
C
L
= 3pF
C
L
= 10pF
R
L
= 150Ω
C
L
= 0pF
Frequency Response with
Capacitive Loads
FREQUENCY (Hz)
CROSSTALK REJECTION (dB)
20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
100k 10M 100M 1G
1675 G23
1M
R
S
= 75Ω
R
L
= 150Ω
G1 DRIVEN
R1 SELECTED
Crosstalk Rejection vs Frequency
Crosstalk Rejection vs Frequency
(Disabled)
–3dB Bandwidth vs
Supply Voltage
SUPPLY VOLTAGE (±V)
2
FREQUENCY (MHz)
300
280
260
240
220
200
180
160
140
120
100
3
4
1675 G04
5
6
R
L
= 150Ω
FREQUENCY (Hz)
GAIN (dB)
PHASE (DEG)
5
4
3
2
1
0
–1
–2
–3
–4
–5
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
100k 10M 100M 1G
1675 G01
1M
PHASE
GAIN
C
L
= 0pF
R
L
= 150Ω
Gain and Phase vs
Frequency
FREQUENCY (Hz)
1M
OUTPUT VOLTAGE (V
P-P
)
8
7
6
5
4
3
2
10M 100M 1G
1675 G08
V
S
= ±5V
R
L
= 150Ω
Undistorted Output Swing
vs Frequency
FREQUENCY (Hz)
CROSSTALK REJECTION (dB)
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
100k 10M 100M 1G
1675 G05
1M
R
S
= 75Ω
R
L
= 150Ω
R1 DRIVEN
R2 SELECTED
Crosstalk Rejection vs Frequency
Power Supply Rejection Ratio
vs Frequency
FREQUENCY (Hz)
CROSSTALK REJECTION (dB)
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
100k 10M 100M 1G
1675 G06
1M
R
S
= 75Ω
R
L
= 150Ω
FREQUENCY (Hz)
POWER SUPPLY REJECTION RATIO (dB)
70
60
50
40
30
20
10
0
–10
–20
–30
100k 10M 100M 1G
1675 G07
1M
–PSRR
+PSRR
V
S
= ±5V
T
A
= 25°C
R
L
= 150Ω