LTC6401-14 Linear Technology, LTC6401-14 Datasheet - Page 6

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

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LTC6401-14
TYPICAL PERFORMANCE CHARACTERISTICS
6
15
14
13
12
11
10
–10
–20
–30
–40
–50
–60
–70
–80
–1
–2
–3
–4
–5
9
8
7
6
5
5
4
3
2
1
0
0
10
Noise Figure and Input Referred
Noise Voltage vs Frequency
Overdrive Recovery Response
0
10
R
TEST CIRCUIT B
Input and Output Refl ection and
Reverse Isolation vs Frequency
TEST CIRCUIT B
L
= 87.5Ω PER OUTPUT
25
50
NOISE FIGURE
FREQUENCY (MHz)
FREQUENCY (MHz)
75
100
TIME (ns)
S11
S12
100
100
S22
EN
125 150 175
–IN
+IN
–OUT
+OUT
1000
640114 G07
640114 G10
640114 G04
1000
200
3000
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
250
225
200
175
150
125
100
75
50
25
0
10
Input and Output Impedance vs
Frequency
1.35
1.30
1.25
1.20
1.15
–1
–2
–3
–4
–5
5
4
3
2
1
0
PHASE
IMPEDANCE MAGNITUDE
1% Settling Time for 2V
Output Step
0
0
Small Signal Transient Response
R
TEST CIRCUIT B
L
= 87.5Ω PER OUTPUT
FREQUENCY (MHz)
1
2
100
Z
Z
OUT
OUT
2
TIME (ns)
4
TIME (ns)
R
TEST CIRCUIT B
Z
–OUT
Z
+OUT
IN
L
IN
= 87.5Ω PER OUTPUT
3
6
640114 G05
1000
4
8
640114 G11
100
80
60
40
20
0
–20
–40
–60
–80
–100
640114 G08
5
10
–100
–110
–40
–50
–60
–70
–80
–90
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
0
0
1
0
0
PSRR and CMRR vs Frequency
Large Signal Transient Response
Harmonic Distortion vs Frequency
R
TEST CIRCUIT B
L
CMRR
20 40 60 80
= 87.5Ω PER OUTPUT
HD2 NO R
HD2 200Ω R
HD3 NO R
HD3 200Ω R
3
FREQUENCY (MHz)
FREQUENCY (MHz)
10
PSRR
L
L
6
TIME (ns)
–OUT
L
L
+OUT
100
DIFFERENTIAL INPUT
V
OUT
120 140 160 180
9
100
= 2V
P-P
12
640114 G06
640114 G09
640114 G12
640114f
1000
200
15