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參數資料
| 型號： | AD7911AUJ-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 2-Channel, 2.35 V to 5.25 V 250 kSPS, 10-/12-Bit ADCs |
| 中文描述： | 2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | MO-193BA, TSOT-23 |
| 文件頁數： | 13/28頁 |
| 文件大小： | 312K |
| 代理商： | AD7911AUJ-REEL7 |
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AD7911/AD7921
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 10 and Figure 11 show typical FFT plots for the AD7921
and AD7911, respectively, at a 250 kSPS sample rate and
100 kHz input frequency.
Rev. 0 | Page 13 of 28
Figure 12 shows the SINAD ratio performance versus the input
frequency for various supply voltages while sampling at
250 kSPS with a SCLK frequency of 5 MHz for the AD7921.
Figure 13 shows the SNR ratio performance versus the input
frequency for various supply voltages while sampling at
250 kSPS with an SCLK frequency of 5 MHz for the AD7921.
Figure 14 and Figure 15 show INL and DNL performance for
the AD7921.
Figure 16 shows a graph of the total harmonic distortion versus
the analog input frequency for different source impedances
when using a supply voltage of 3.6 V and a sampling rate of
250 kSPS. See the Analog Input section.
Figure 17 shows a graph of the total harmonic distortion versus
the analog input frequency for various supply voltages while
sampling at 250 kSPS with an SCLK frequency of 5 MHz.
Figure 18 shows the shutdown current versus the voltage supply
for different operating temperatures.
5
–115
–95
–75
–55
–35
–15
0
20
40
60
80
100
120
0
FREQUENCY (kHz)
S
8192 POINT FFT
V
DD
= 2.7V
F
SAMP
= 250kSPS
F
SNR = 73.13dB
SINAD = 72.73dB
THD = –83.30dB
SFDR = –86.15dB
Figure 10. AD7921 Dynamic Performance at 250 kSPS
V
= 2.7V
F
F
SNR = 73.13dB
THD = –83.30dB
SFDR = –86.15dB
5
–115
–95
–75
–55
–35
–15
0
20
40
60
80
100
120
0
FREQUENCY (kHz)
S
8192 POINT FFT
V
DD
F
SAMP
= 250kSPS
F
SNR = 61.75dB
SINAD = 72.73dB
THD = –86.24dB
Figure 11. AD7911 Dynamic Performance at 250 kSPS
–70.5
–74.0
–73.5
–73.0
–72.5
–72.0
–71.5
–71.0
10
100
1k
0
FREQUENCY (kHz)
S
V
DD
= 3.6V
V
DD
= 5.25V
V
DD
= 4.75V
V
DD
= 2.35V
V
DD
= 2.7V
Figure 12. AD7921 SINAD vs. Input Frequency at 250 kSPS
–72.0
–73.6
–73.4
–73.2
–73.0
–72.8
–72.4
–72.2
–72.6
10
100
1k
0
FREQUENCY (kHz)
S
V
DD
= 2.35V
V
DD
= 3.6V
V
DD
= 5.25V
V
DD
= 4.75V
V
DD
= 2.7V
Figure 13. AD7921 SNR vs. Input Frequency at 250 kSPS
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PDF描述 |
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| AD7921ARM-REEL7 | 2-Channel, 2.35 V to 5.25 V 250 kSPS, 10-/12-Bit ADCs |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7911AUJZ-R2 | 功能描述:IC ADC 10BIT 250KSPS TSOT23-8 RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:2,500 系列:- 位數:16 采樣率（每秒）:15 數據接口:MICROWIRE?，串行，SPI? 轉換器數目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7911AUJZ-REEL7 | 功能描述:IC ADC 10BIT 250KSPS TSOT23-8 RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:2,500 系列:- 位數:16 采樣率（每秒）:15 數據接口:MICROWIRE?，串行，SPI? 轉換器數目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7912 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-/12-Bit ADCs |
| AD7912ARM | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 10-bit Serial 8-Pin MSOP 制造商:Rochester Electronics LLC 功能描述:DUAL 10-BIT, 1MSPS, ADC I.C - Bulk 制造商:Analog Devices 功能描述:10BIT ADC DUAL SMD 7912 MSOP8 |
| AD7912ARM-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 10-bit Serial 8-Pin MSOP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 1MSPS 10-BIT SERL 8MSOP - Tape and Reel |
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