參數(shù)資料
型號: LTC2285CUP
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: Dual 14-Bit, 125Msps Low Power 3V ADC; Package: QFN; No of Pins: 64; Temperature Range: 0°C to +70°C
中文描述: DUAL 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC64
封裝: 9 X 9 MM, PLASTIC, MO-220WNJR-5, QFN-64
文件頁數(shù): 22/24頁
文件大?。?/td> 592K
代理商: LTC2285CUP
LTC2285
7
2285fb
TYPICAL PERFORMANCE CHARACTERISTICS
SNR vs Input Frequency,
–1dB, 2V Range, 125Msps
SFDR vs Input Frequency,
–1dB, 2V Range, 125Msps
SNR and SFDR vs Sample Rate,
2V Range, fIN = 5MHz, –1dB
SNR vs Input Level,
fIN = 70MHz, 2V Range, 125Msps
SFDR vs Input Level,
fIN = 70MHz, 2V Range, 125Msps
IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
IOVDD vs Sample Rate, 5MHz Sine
Wave Input, –1dB, 0VDD = 1.8V
SNR vs SENSE, fIN = 5MHz, –1dB
INPUT FREQUENCY (MHz)
0
65
SNR
(dBFS)
66
68
69
70
75
72
100
200
250
2285 G10
67
73
74
71
50
150
300
350
INPUT FREQUENCY (MHz)
0
85
90
100
150
250
2285 G11
80
75
50
100
200
300
350
70
65
95
SFDR
(dBRS)
SAMPLE RATE (Msps)
0
50
SNR
AND
SFDR
(dBFS)
60
70
80
90
20
40
60
80
2285 G12
100 120 140 160
SFDR
SNR
INPUT LEVEL (dBFS)
–70
SNR
(dBc
AND
dBFS)
70
–40
2285 G13
40
20
–60
–50
–30
10
0
80
dBFS
dBc
60
50
30
–20
–10
0
INPUT LEVEL (dBFS)
–80
SFDR
(dBc
AND
dBFS)
60
90
100
0
2285 G14
50
40
0
–60
–40
–20
–70
–50
–30
–10
20
110
dBFS
dBc
80
70
30
10
SAMPLE RATE (Msps)
0
I VDD
(mA)
260
280
80
2285 G15
240
220
250
270
290
230
210
200
190
20
40
60
100
120
140
2V RANGE
1V RANGE
SAMPLE RATE (Msps)
0
I OVDD
(mA)
14
60
2285 G16
8
4
20
40
80
2
0
16
12
10
6
100
120
140
SENSE PIN (V)
0.4
64
SNR
(dBFS)
65
67
68
69
74
71
0.6
0.8
0.9
2285 G17
66
72
73
70
0.5
0.7
1.0
1.1
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