LTC6409 Linear Technology, LTC6409 Datasheet - Page 7

• Manufacturer Part Number: LTC6409
• Description: 10GHz GBW - 1.1nV/Hz Differential Amplifier/ADC Driver
• Manufacturer: Linear Technology

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Typical perForMance characTerisTics
–100
–110
–120
–50
–60
–70
–80
–90
1
Harmonic Distortion vs Frequency
V
V
R
R
V
DIFFERENTIAL INPUTS
S
OCM
OUTDIFF
LOAD
I
–10
–20
–30
= R
= 5V
60
50
40
30
20
10
0
= V
F
= 400
1
= 150
Frequency Response vs Closed
Loop Gain
V
V
R
A
A
A
A
A
A
A
ICM
= 2V
S
OCM
LOAD
V
V
V
V
V
V
V
= 5V
= 400
= 100
= 20
= 10
= 5
= 2
= 1
FREQUENCY (MHz)
10
= 1.25V
P-P
= V
–0.1
–0.2
–0.3
–0.4
–0.5
= 400
0.5
0.4
0.3
0.2
0.1
ICM
10
0
1
Gain 0.1dB Flatness
FREQUENCY (MHz)
V
V
R
R
= 1.25V
S
OCM
LOAD
I
= R
= 5V
= V
F
100
= 400
100
= 150 , C
ICM
10
HD2
FREQUENCY (MHz)
= 1.25V
HD3
F
6409 G19
1000
= 1.3pF
100
1000
6409 G15
10000
1000
–100
–110
–30
–40
–50
–60
–70
–80
–90
0.5
A
Harmonic Distortion vs Output
Common Mode Voltage
V
100
400
6409 G17
10
20
(V/V)
1
2
5
10000
OUTPUT COMMON MODE VOLTAGE (V)
1
R
150
100
I
50
50
25
25
25
( ) R
V
f
R
R
V
DIFFERENTIAL INPUTS
IN
S
OUTDIFF
LOAD
I
1.5
= R
= 5V
= 100MHz
F
= 400
2.5k
F
150
200
250
500
500
10k
= 150
( )
= 2V
2
P-P
C
F
1.3
0.8
0.4
0.4
1
0
0
2.5
(pF)
HD3
3400
3375
3350
3325
3300
3275
3250
3225
3200
HD2
3
–50
Slew Rate vs Temperature
6409 G20
V
S
= 5V
3.5
–25
–10 V
–20
–30
20
10
0
10
0
TEMPERATURE (°C)
Frequency Response vs Load
Capacitance
V
R
R
CAPACITOR VALUES ARE FROM
EACH OUTPUT TO GROUND.
NO SERIES RESISTORS ARE USED.
–100
–110
–120
S
OCM
LOAD
I
–80
–90
(0.4V
= R
= 5V
25
–4
F
= V
Harmonic Distortion vs Input
Amplitude
C
C
C
C
C
= 400
P-P
V
V
f
R
R
DIFFERENTIAL INPUTS
= 150 , C
L
L
L
L
L
IN
S
OCM
LOAD
I
ICM
= 0pF
= 0.5pF
= 1pF
= 1.5pF
= 2pF
)
= R
50
= 5V
= 100MHz
–2
100
FREQUENCY (MHz)
= 1.25V
= V
F
= 400
= 150
ICM
INPUT AMPLITUDE (dBm)
75
F
0
= 1.3pF
= 1.25V
100
2
6409 G08
1000
LTC6409
125
4
HD3
6
6409 G16
10000
HD2
8
6409 G21
(2V
6409fa
7
10
P-P
)