32k Point FFT fS = 500Ksps,
參數(shù)資料
型號: DC1571A-B
廠商: Linear Technology
文件頁數(shù): 21/24頁
文件大?。?/td> 0K
描述: BOARD SAR ADC LTC2382-16
軟件下載: QuikEval II System
設計資源: DC1571A Design Files
DC1571A Schematic
標準包裝: 1
系列: QuikEval™
ADC 的數(shù)量: 1
位數(shù): 16
采樣率(每秒): 500k
數(shù)據(jù)接口: 串行,SPI?
輸入范圍: ±2.5 V
在以下條件下的電源(標準): 6.5mW @ 500kSPS
工作溫度: 0°C ~ 70°C
已用 IC / 零件: LTC2382-16
已供物品:
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LTC2382-16
6
238216f
TYPICAL PERFORMANCE CHARACTERISTICS
32k Point FFT fS = 500Ksps,
fIN = 20kHz
SNR, SINAD vs Input Frequency
THD, Harmonics
vs Input Frequency
SNR, SINAD vs Input level,
fIN = 20kHz
SNR, SINAD vs Temperature
THD, Harmonics vs Temperature
Integral Nonlinearity
vs Output Code
Differential Nonlinearity
vs Output Code
DC Histogram
OUTPUT CODE
0
16384
32768
49152
65536
–2.0
INL
ERROR
(LSB)
0.0
0.5
1.0
1.5
–0.5
–1.0
–1.5
2.0
238216 G01
OUTPUT CODE
0
16384
32768
49152
65536
–1.0
DNL
ERROR
(LSB)
0.5
0.0
–0.5
1.0
238216 G02
TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 2.5V,
fSMPL = 500ksps, unless otherwise noted.
CODE
32765
32766
32767
32768
32769
0
COUNTS
1400000
1600000
1200000
1000000
800000
600000
400000
200000
1800000
238216 G03
FREQUENCY (kHz)
0
50
100
150
200
250
–180
AMPLITUDE
(dBFS)
–60
–40
–20
–80
–100
–120
–140
–160
0
238216 G04
SNR = 92.2dB
THD = –106dB
SINAD = 92dB
SFDR = 107dB
FREQUENCY (kHz)
SNR,
SINAD
(dBFS)
93
238216 G05
84
85
86
87
88
89
90
91
92
0
25
50
75
100 125 150 175 200
SNR
SINAD
FREQUENCY (kHz)
HARMONICS,
THD
(dBFS)
–80
238216 G06
–130
–125
–120
–115
–110
–105
–100
–95
–85
–90
0
25
50
75
100 125 150 175 200
THD
3RD
2ND
INPUT LEVEL (dB)
SNR,
SINAD
(dBFS)
93.0
238216 G07
91.0
91.5
92.0
92.5
–40
–30
–20
–10
0
SNR
SINAD
TEMPERATURE (C)
SNR,
SINAD
(dBFS)
94.00
238216 G08
91.00
91.50
92.00
92.50
93.00
93.50
–55 –35 –15
5
25
45
65
85 105 125
SNR
SINAD
TEMPERATURE (°C)
THD
2ND
3RD
–55 –35 –15
25
45
5
65
85 105 125
–120
HARMONICS,
THD
(dBFS)
–110
–115
–105
–100
238216 G09
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