參數(shù)資料
型號(hào): DC1620A-L
廠商: Linear Technology
文件頁數(shù): 5/38頁
文件大小: 0K
描述: BOARD DEMO 25MSPS LTC2140-14
軟件下載: QuikEval II System
設(shè)計(jì)資源: DC1620A Design Files
DC1620A Schematic
標(biāo)準(zhǔn)包裝: 1
系列: *
相關(guān)產(chǎn)品: DC890B-ND - BOARD USB DATA COLLECTION
13
21421014fa
LTC2142-14/
LTC2141-14/LTC2140-14
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2140-14: Shorted Input
Histogram
LTC2140-14: 64k Point 2-Tone FFT,
fIN = 69MHz, 70MHz, –7dBFS,
25Msps
LTC2140-14: SNR vs Input
Frequency, –1dBFS, 25Msps,
2V Range
LTC2140-14: 2nd, 3rd Harmonic
vs Input Frequency, –1dBFS,
25Msps, 2V Range
LTC2140-14: 2nd, 3rd Harmonic
vs Input Frequency, –1dBFS,
25Msps, 1V Range
LTC2140-14: SFDR vs Input Level,
fIN = 70MHz, 25Msps, 2V Range
LTC2140-14: IVDD vs Sample
Rate, 5MHz, –1dBFS Sine Wave
Input on Each Channel
LTC2140-14: IOVDD vs Sample
Rate, 5MHz, –1dBFS, Sine Wave
on Each Input
LTC2140-14: SNR vs SENSE,
fIN = 5MHz, –1dBFS
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
510
21421014 G37
OUTPUT CODE
8183
0
2000
1000
COUNT
3000
4000
6000
5000
8187
8191
8189
8185
21421014 G38
INPUT FREQUENCY (MHz)
0
71
70
69
74
72
73
SNR
(dBFS)
50
100
150
200
250
300
21421014 G39
SINGLE-ENDED
ENCODE
DIFFERENTIAL
ENCODE
0
50
100
150
200
250
300
INPUT FREQUENCY (MHz)
90
85
80
75
70
65
100
95
2ND
AND
3RD
HARMONIC
(dBFS)
21421014 G40
2ND
3RD
0
50
100
150
200
250
300
INPUT FREQUENCY (MHz)
90
85
80
75
70
65
100
95
2ND
AND
3RD
HARMONIC
(dBFS)
21421014 G41
2ND
3RD
INPUT LEVEL (dBFS)
120
130
90
80
100
110
SFDR
(dBc
AND
dBFS)
70
50
60
40
30
20
21421014 G42
–80 –70 –60 –50 –40 –30 –20 –10
0
dBc
dBFS
SAMPLE RATE (Msps)
0
30
25
20
35
I VDD
(mA)
510
25
21421014 G43
15
20
CMOS OUTPUTS
LVDS OUTPUTS
SAMPLE RATE (Msps)
0
50
60
30
40
20
10
0
70
I OVDD
(mA)
10
20
25
21421014 G44
515
3.5mA LVDS
1.75mA LVDS
1.8V CMOS
SENSE PIN (V)
0.6
70
71
68
69
67
66
72
73
74
SNR
(dBFS)
0.8
1
0.7
0.9
1.1
1.2
1.3
21421014 G45
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