參數(shù)資料
型號(hào): LTC2144IUP-12#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): ADC
英文描述: 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
封裝: 9 X 9 MM, LEAD FREE, PLASTIC, MO-220WNJR-5, QFN-64
文件頁(yè)數(shù): 7/36頁(yè)
文件大?。?/td> 1014K
代理商: LTC2144IUP-12#TRPBF
15
21454312p
LTC2145-12/
LTC2144-12/LTC2143-12
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2143-12: Shorted Input
Histogram
LTC2143-12: 64k Point 2-Tone FFT,
fIN = 69MHz, 70MHz, –7dBFS,
80Msps
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
20
30
40
21454312 G37
FREQUENCY (MHz)
0
10
20
30
40
21454312 G37
OUTPUT CODE
2050
2051
2000
0
6000
4000
COUNT 8000
10000
18000
16000
14000
12000
2052
2053
2054
21454312 G38
INPUT FREQUENCY (MHz)
0
69
68
72
71
70
SNR
(dBFS)
50
100
150
200
250
300
21454312 G39
SINGLE-ENDED
ENCODE
DIFFERENTIAL
ENCODE
LTC2143-12: SNR vs Input
Frequency, –1dBFS, 80Msps,
2V Range
0
50
100
150
200
250
300
INPUT FREQUENCY (MHz)
90
85
80
75
70
65
100
95
2ND
AND
3RD
HARMONIC
(dBFS)
21454312 G40
2ND
3RD
LTC2143-12: 2nd, 3rd Harmonic vs
Input Frequency, –1dBFS, 80Msps,
2V Range
0
50
100
150
200
250
300
INPUT FREQUENCY (MHz)
90
85
80
75
70
65
100
95
2ND
AND
3RD
HARMONIC
(dBFS)
21454312 G41
2ND
3RD
LTC2143-12: 2nd, 3rd Harmonic vs
Input Frequency, –1dBFS, 80Msps,
1V Range
LTC2143-12: SFDR vs Input Level,
fIN = 70MHz, 80Msps, 2V Range
INPUT LEVEL (dBFS)
–80
40
30
20
10
0
60
50
SFDR
(dBc
AND
dBFS)
70
80
110
100
90
–70 –60 –50 –40 –30 –20 –10
0
21454312 G42
dBFS
dBc
LTC2143-12: IVDD vs Sample
Rate, 5MHz, –1dBFS Sine Wave
Input on Each Input
SAMPLE RATE (Msps)
0
65
50
45
55
60
40
70
IV
DD
(mA)
20
40
60
80
21454312 G43
CMOS OUTPUTS
LVDS OUTPUTS
LTC2143-12: IOVDD vs Sample
Rate, 5MHz, –1dBFS, Sine Wave
on Each Channel
LTC2143-12: SNR vs SENSE,
fIN = 5MHz, –1dBFS
SAMPLE RATE (Msps)
10
20
0
60
50
30
40
IOV
DD
(mA)
21454312 G44
0
20406080
3.5mA LVDS
1.75mA LVDS
1.8V CMOS
1.2V CMOS
SENSE PIN (V)
0.6
67
66
68
69
72
71
70
SNR
(dBFS)
0.7
0.8
0.9
1.1
1.2
1.3
1
21454312 G45
相關(guān)PDF資料
PDF描述
LTC2143CUP-12#PBF 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
LTC2145IUP-12#PBF 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
LTC2145CUP-12#TRPBF 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
LTC2144IUP-12#PBF 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
LTC2151CUJ-14#PBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
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