LTC6400-8 Linear Technology, LTC6400-8 Datasheet - Page 6

• Manufacturer Part Number: LTC6400-8
• Description: Low Distortion Differential ADC Driver
• Manufacturer: Linear Technology

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LTC6400-8
TYPICAL PERFORMANCE CHARACTERISTICS
6
10.0
14
12
10
–2
–4
–10
–20
–30
–40
–50
–60
–70
–80
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
8
6
4
2
0
0
10
Frequency Response
Noise Figure and Input Referred
Noise Voltage vs Frequency
10
0
Input and Output Refl ection and
Reverse Isolation vs Frequency
NF TEST: R
TEST CIRCUIT B
50
S
FREQUENCY (MHz)
= 400Ω
100
FREQUENCY (MHz)
FREQUENCY (MHz)
100
100
S11
S22
S12
150
NOISE FIGURE
EN
TEST CIRCUIT B
200
1000
1000
250
64008 G01
64008 G07
64008 G04
3000
3000
300
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.2
–0.4
–0.6
–0.8
–1.0
500
450
400
350
300
250
200
150
100
1.0
0.8
0.6
0.4
0.2
50
0
0
10
10
Input and Output Impedance vs
Frequency
Gain 0.1dB Flatness
TEST CIRCUIT B
1.35
1.30
1.25
1.20
1.15
PHASE
IMPEDANCE MAGNITUDE
0
Small Signal Transient Response
R
TEST CIRCUIT B
L
= 87.5Ω PER OUTPUT
FREQUENCY (MHz)
FREQUENCY (MHz)
100
2
Z
100
OUT
Z
OUT
4
TIME (ns)
Z
Z
–OUT
IN
+OUT
IN
1000
6
64008 G05
64008 G02
1000
3000
8
100
80
60
40
20
0
–20
–40
–60
–80
–100
64008 G08
–100
–150
–200
10
–50
0
S21 Phase and Group Delay vs
Frequency
0
80
70
60
50
40
30
20
10
2.5
2.0
1.5
1.0
0.5
0
0
1
PSRR and CMRR vs Frequency
Large Signal Transient Response
0
200
R
TEST CIRCUIT B
L
= 87.5Ω PER OUTPUT
FREQUENCY (MHz)
2
400
FREQUENCY (MHz)
10
PHASE
CMRR
PSRR
4
TIME (ns)
GROUP DELAY
600
–OUT
+OUT
TEST CIRCUIT B
6
800
100
64008 G03
1000
8
64008 G06
64008 G09
0.8
0.6
0.4
0.2
0
64008f
1000
10