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參數資料
| 型號： | AD9200SSOP-EVAL |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Complete 10-Bit, 20 MSPS, 80 mW CMOS A/D Converter |
| 中文描述： | 完整的10位，20 MSPS的80毫瓦的CMOS A / D轉換 |
| 文件頁數： | 6/24頁 |
| 文件大小： | 338K |
| 代理商： | AD9200SSOP-EVAL |
AD9200
–6–
REV. E
DEFINITIONS OF SPECIFICATIONS
Integral Nonlinearity (INL)
Integral nonlinearity refers to the deviation of each individual
code from a line drawn from “zero” through “full scale”. The
point used as “zero” occurs 1/2 LSB before the first code transi-
tion. “Full scale” is defined as a level 1 1/2 LSB beyond the last
code transition. The deviation is measured from the center of
each particular code to the true straight line.
Differential Nonlinearity (DNL, No Missing Codes)
An ideal ADC exhibits code transitions that are exactly 1 LSB
apart. DNL is the deviation from this ideal value. It is often
specified in terms of the resolution for which no missing codes
(NMC) are guaranteed.
Typical Characterization Curves
CODE OFFSET
1.0
0.5
–1.00
1024
128
D
256
384
512
640
768
896
0
–0.5
Figure 3. Typical DNL
CODE OFFSET
1.0
0.5
–1.00
1024
128
I
256
384
512
640
768
896
0
–0.5
Figure 4. Typical INL
Offset Error
The first transition should occur at a level 1 LSB above “zero.”
Offset is defined as the deviation of the actual first code transi-
tion from that point.
Gain Error
The first code transition should occur for an analog value 1 LSB
above nominal negative full scale. The last transition should
occur for an analog value 1 LSB below the nominal positive full
scale. Gain error is the deviation of the actual difference be-
tween first and last code transitions and the ideal difference
between the first and last code transitions.
Pipeline Delay (Latency)
The number of clock cycles between conversion initiation and
the associated output data being made available. New output
data is provided every rising edge.
INPUT FREQUENCY – Hz
60
55
120
1.00E+08
1.00E+06
1.00E+07
50
45
25
40
35
30
S
–0.5 AMPLITUDE
–6.0 AMPLITUDE
–20.0 AMPLITUDE
Figure 5. SNR vs. Input Frequency
60
55
120
1.00E+08
1.00E+06
INPUT FREQUENCY – Hz
S
1.00E+07
50
45
25
40
35
30
–0.5 AMPLITUDE
–6.0 AMPLITUDE
–20.0 AMPLITUDE
Figure 6. SINAD vs. Input Frequency
(AVDD = +3 V, DRVDD = +3 V, F
S
= 20 MHz (50% Duty Cycle), MODE = AVDD, 2 V Input
Span from 0.5 V to 2.5 V, External Reference, unless otherwise noted)
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| AD9201ARSZ | 功能描述:IC ADC CMOS 10BIT DUAL 28-SSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數:8 采樣率（每秒）:1M 數據接口:串行，SPI? 轉換器數目:1 功率耗散（最大）:- 電壓電源:模擬和數字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應商設備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數目和類型:8 個單端，單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
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