参数资料
型号: DC1571A-C
厂商: Linear Technology
文件页数: 21/24页
文件大小: 0K
描述: BOARD SAR ADC LTC2381-16
软件下载: QuikEval II System
设计资源: DC1571A Design Files
DC1571A Schematic
标准包装: 1
系列: QuikEval™
ADC 的数量: 1
位数: 16
采样率(每秒): 250k
数据接口: 串行,SPI?
输入范围: ±2.5 V
在以下条件下的电源(标准): 3.25mW @ 250kSPS
工作温度: 0°C ~ 70°C
已用 IC / 零件: LTC2381-16
已供物品:
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更多...
LTC2381-16
6
238116f
TYPICAL PERFORMANCE CHARACTERISTICS
32k Point FFT fS = 250Ksps,
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
238116 G01
OUTPUT CODE
0
16384
32768
49152
65536
–1.0
DNL
ERROR
(LSB)
0.5
0.0
–0.5
1.0
238116 G02
TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 2.5V,
fSMPL = 250ksps, unless otherwise noted.
CODE
32764
32765
32767
32768
32769
0
COUNTS
1400000
1200000
1000000
800000
600000
400000
200000
1600000
238116 G03
FREQUENCY (kHz)
0
25
50
75
100
125
–180
AMPLITUDE
(dBFS)
–60
–40
–20
–80
–100
–120
–140
–160
0
238116 G04
SNR = 91.8dB
THD = –106dB
SINAD = 91.6dB
SFDR = 107dB
FREQUENCY (kHz)
SNR,
SINAD
(dBFS)
93
238116 G05
90
90.5
91
91.5
92
92.5
0
25
50
75
100
SNR
SINAD
FREQUENCY (kHz)
HARMONICS,
THD
(dBFS)
–90
238116 G06
–130
–125
–120
–115
–110
–105
–100
–95
0
255075
100
THD
3RD
2ND
INPUT LEVEL (dB)
SNR,
SINAD
(dBFS)
93.0
238116 G07
91.0
91.5
92.0
92.5
–40
–30
–20
–10
0
SNR
SINAD
TEMPERATURE (C)
SNR,
SINAD
(dBFS)
93.00
238116 G08
91.00
91.50
92.00
92.50
–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
238116 G09
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