LTC6401CUD-20PBF LINER [Linear Technology], LTC6401CUD-20PBF Datasheet - Page 7

• Manufacturer Part Number: LTC6401CUD-20PBF
• Description: 1.3GHz Low Noise, Low Distortion Differential ADC Driver for 140MHz IF
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
–100
–110
–120
–100
–110
–120
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
Harmonic Distortion (Unfi ltered)
vs Frequency
0
Harmonic Distortion (Unfi ltered)
vs Frequency
0
DIFFERENTIAL INPUT
V
SINGLE-ENDED INPUT
V
OUT
OUT
= 2V
= 2V
50
50
P-P
P-P
FREQUENCY (MHz)
FREQUENCY (MHz)
–100
–40
–50
–60
–70
–80
–90
100
100
1.0
Harmonic Distortion vs Output
Common Mode Voltage
(Unfi ltered Outputs)
DIFFERENTIAL INPUT
V
R
OUT
L
OUTPUT COMMON MODE VOLTAGE (V)
= 400Ω
HD2 NO R
HD2 200Ω R
HD3 NO R
HD3 200Ω R
HD2 NO R
HD2 200Ω R
HD3 NO R
HD3 200Ω R
= 2V
150
150
1.1
P-P
640120 G12
640120 G15
HD3
HD2
at 100MHz
L
L
L
L
1.2
L
L
L
L
200
200
1.3
–100
–110
–120
–100
–110
–120
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
1.4
Harmonic Distortion (Filtered) vs
Frequency
0
Harmonic Distortion (Filtered) vs
Frequency
0
DIFFERENTIAL INPUT
V
NO R
SINGLE-ENDED INPUT
V
NO R
OUT
OUT
640120 G18
L
L
= 2V
= 2V
1.5
50
50
P-P
P-P
FREQUENCY (MHz)
FREQUENCY (MHz)
100
100
150
150
20
19
18
17
16
15
50
Equivalent Output 1dB
Compression Point vs Frequency
DIFFERENTIAL INPUT
R
(NOTE 7)
640120 G13
640120 G16
L
HD2
HD3
HD2
HD3
= 400Ω
200
200
80
FREQUENCY (MHz)
110
–100
–110
–120
–100
–110
–120
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
Third Order Intermodulation
Distortion vs Frequency
Third Order Intermodulation
Distortion vs Frequency
0
0
140
UNFILTERED NO R
UNFILTERED 200Ω R
FILTERED NO R
UNFILTERED NO R
UNFILTERED 200Ω R
FILTERED NO R
170
50
50
LTC6401-20
FREQUENCY (MHz)
FREQUENCY (MHz)
640020 G19
200
SINGLE-ENDED INPUT
V
DIFFERENTIAL INPUT
V
OUT
OUT
100
100
L
L
= 2V
= 2V
L
L
L
L
P-P
P-P
150
150
COMPOSITE
COMPOSITE
640120 G17
640120 G14
640120f
7
200
200