參數(shù)資料
型號(hào): LTC2181CUP#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 2-CH 16-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): 6/36頁(yè)
文件大?。?/td> 3836K
代理商: LTC2181CUP#PBF
LTC2182/LTC2181/LTC2180
14
218210f
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2180: 64k Point FFT,
fIN = 70MHz, –1dBFS, 25Msps
LTC2180: 64k Point FFT,
fIN = 140MHz, –1dBFS, 25Msps
LTC2180: 64k Point FFT,
fIN = 30MHz, –1dBFS, 25Msps
LTC2181: IVDD vs Sample Rate,
5MHz, –1dBFS, Sine Wave Input
on Each Channel
SAMPLE RATE (Msps)
0
70
50
60
40
80
I VDD
(mA)
10
20
30
40
218210 G28
CMOS OUTPUTS
3.5mA LVDS OUTPUTS
LTC2181: IOVDD vs Sample Rate,
5MHz, –1dBFS, Sine Wave Input
on Each Channel
LTC2181: SNR vs SENSE,
fIN = 5MHz, –1dBFS
LTC2180: Integral
Non-Linearity (INL)
LTC2180: Differential
Non-Linearity (DNL)
LTC2180: 64k Point FFT,
fIN = 5MHz, –1dBFS, 25Msps
0
10
20
30
40
SAMPLE RATE (Msps)
10
20
0
80
70
60
50
30
40
I OVDD
(mA)
218210 G29
1.75mA LVDS
1.8V CMOS
3.5mA LVDS
SENSE PIN (V)
0.6
71
70
72
73
78
77
76
75
74
SNR
(dBFS)
0.7
0.8
0.9
1.1
1.2
1.3
1
218210 G30
OUTPUT CODE
0
–4.0
–3.0
–2.0
–1.0
INL
ERROR
(LSB)
0
1.0
4.0
3.0
2.0
16384
32768
49152
65536
218210 G31
–1.0
–0.4
–0.2
–0.6
–0.8
DNL
ERROR
(LSB)
0
0.4
0.2
0.6
0.8
1.0
218210 G32
OUTPUT CODE
0
16384
32768
49152
65536
FREQUENCY (MHz)
0
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
10
5
218210 G33
FREQUENCY (MHz)
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
218210 G36
0
10
5
FREQUENCY (MHz)
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
218210 G35
0
10
5
FREQUENCY (MHz)
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
218210 G34
0
10
5
相關(guān)PDF資料
PDF描述
LTC2181CUP#TRPBF 2-CH 16-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
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參數(shù)描述
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