LTC6401-14 Linear Technology, LTC6401-14 Datasheet - Page 7

• Manufacturer Part Number: LTC6401-14
• Description: Low Distortion Differential ADC Driver
• Manufacturer: Linear Technology

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TYPICAL PERFORMANCE CHARACTERISTICS
–100
–110
–40
–50
–60
–70
–80
–90
0
Third Order Intermodulation
Distortion vs Frequency
DIFFERENTIAL INPUT
V
OUT
20 40 60 80
= 2V
P-P
FREQUENCY (MHz)
COMPOSITE
–0.5
3.5
3.0
2.5
2.0
1.5
1.0
0.5
20
19
18
17
16
15
0
–100
0
Equivalent Output 1dB
Compression Point vs Frequency
Turn-On Time
100
DIFFERENTIAL INPUT
R
TEST CIRCUIT A (NOTE 7)
R
L
L
200Ω R
20 40 60 80
= 375Ω
= 87.5Ω PER OUTPUT
120 140 160 180
0
NO R
L
FREQUENCY (MHz)
L
100
TIME (ns)
640114 G13
100 120 140 160 180
I
CC
+OUT
200
200
–OUT
ENABLE
–100
–110
300
–40
–50
–60
–70
–80
–90
640114 G16
640114 G18
0
Harmonic Distortion vs Frequency
SINGLE-ENDED INPUT
V
OUT
20 40 60 80
200
400
= 2V
70
60
50
40
30
20
10
0
–10
P-P
FREQUENCY (MHz)
100 120 140 160 180
HD2 NO R
HD2 200Ω R
HD3 NO R
HD3 200Ω R
–0.5
3.5
3.0
2.5
2.0
1.5
1.0
0.5
60
50
40
30
20
10
0
0
–100
0
Equivalent Output Third Order
Intercept Point vs Frequency
Turn-Off Time
640114 G14
R
ENABLE
L
L
L
20 40 60 80
= 87.5Ω PER OUTPUT
L
L
200
0
FREQUENCY (MHz)
+OUT
100
–100
–110
TIME (ns)
–40
–50
–60
–70
–80
–90
100 120 140 160 180
–OUT
200Ω R
0
Third Order Intermodulation
Distortion vs Frequency
DIFFERENTIAL INPUT
(NOTE 7)
SINGLE-ENDED INPUT
V
OUT
NO R
200
20 40 60 80
L
= 2V
L
I
CC
P-P
300
LTC6401-14
FREQUENCY (MHz)
COMPOSITE
640114 G17
640114 G19
200
400
100
200Ω R
70
60
50
40
30
20
10
0
–10
120 140 160 180
L
NO R
L
640114 G15
640114f
7
200