LTC2259-14 查看數據表（PDF） - Linear Technology
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LTC2259-14 Datasheet PDF : 32 Pages
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LTC2261-14
LTC2260-14/LTC2259-14
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2261-14: IOVDD vs Sample
Rate, 5MHz Sine Wave Input,
–1dB, 5pF on Each Data Output
45
3.5mA LVDS
40
35
30
25
1.75mA LVDS
20
15
10
1.8V CMOS
5
0
1.2V CMOS
0
25
50
75 100 125
SAMPLE RATE (Msps)
226114 G14
LTC2261-14: 128k Point Averaged FFT,
fIN = 70MHz, –65dBFS, 125Msps,
RAND ON, ABP ON
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50 60
FREQUENCY (MHz)
226114 G17
LTC2261-14: SNR vs SENSE,
fIN = 5MHz, –1dB
74
73
72
71
70
69
68
67
66
0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
SENSE PIN (V)
226114 G15
LTC2261-14: SNR vs Sample Rate
and Digital Output Mode, 30MHz Sine
Wave Input, –1dB
74
LVDS
CMOS
72
DDR CMOS
70
68
66
0
25
50
75 100 125
SAMPLE RATE (Msps)
226114 G18
LTC2260-14: Differential
Non-Linearity (DNL)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
4096
8192 12288
OUTPUT CODE
16384
226114 G22
LTC2260-14: 8k Point FFT, fIN = 5MHz
–1dBFS, 105Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 10 20 30 40 50
FREQUENCY (MHz)
226114 G23
LTC2261-14: 128k Point Averaged FFT,
fIN = 70MHz, –65dBFS, 125Msps,
RAND OFF, ABP OFF
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0 10 20 30 40 50 60
FREQUENCY (MHz)
226114 G16
LTC2260-14: Integral Non-Linearity
(INL)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0
4096
8192 12288
OUTPUT CODE
16384
226114 G21
LTC2260-14: 8k Point FFT, fIN = 30MHz
–1dBFS, 105Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 10 20 30 40 50
FREQUENCY (MHz)
226114 G24
226114f
11
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