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| 型號： | AD7912ARM-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-/12-Bit ADCs |
| 中文描述： | 2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | MO-187AA, MSOP-8 |
| 文件頁數(shù)： | 13/32頁 |
| 文件大?。?/td> | 386K |
| 代理商： | AD7912ARM-REEL |
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AD7912/AD7922
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 10 and Figure 11 show typical FFT plots for the AD7922
and AD7912, respectively, at a 1 MSPS sample rate and 100 kHz
input frequency.
Rev. 0 | Page 13 of 32
Figure 12 shows the SINAD performance versus the input
frequency for various supply voltages while sampling at 1 MSPS
with a SCLK frequency of 18 MHz for the AD7922.
Figure 13 shows the SNR performance versus the input fre-
quency for various supply voltages while sampling at 1 MSPS
with an SCLK frequency of 18 MHz for the AD7922.
Figure 14 and Figure 15 show INL and DNL performance for
the AD7922.
Figure 16 shows a graph of the THD versus the analog input
frequency for different source impedances when using a supply
voltage of 3.6 V and a sampling rate of 1 MSPS. See the Analog
Input section.
Figure 17 shows a graph of the THD versus the analog input
frequency for various supply voltages while sampling at 1 MSPS
with an SCLK frequency of 18 MHz.
Figure 18 shows the shutdown current versus the voltage supply
for different operating temperatures.
5
–15
–35
–55
–75
–95
–1150
50
100
150
200
FREQUENCY (kHz)
250
300
350
400
450
500
0
S
8192 POINT FFT
V
DD
= 2.7V
F
SAMP
= 1MSPS
F
SNR = 73.1dB
SINAD = 72.55dB
THD = –81.78dB
SFDR = –83.03dB
Figure 10. AD7922 Dynamic Performance at 1 MSPS
–10
–30
–50
–70
–90
–1100
50
100
150
200
FREQUENCY (kHz)
250
300
350
400
450
500
0
S
8192 POINT FFT
V
DD
= 2.7V
F
SAMP
= 1MSPS
F
SNR = 61.88dB
SINAD = 61.83dB
THD = –81.12dB
SFDR = –84.92dB
Figure 11. AD7912 Dynamic Performance at 1 MSPS
–67
–74
–73
–72
–71
–70
–69
–68
10
100
1000
0
S
FREQUENCY (kHz)
V
DD
= 2.7V
V
DD
= 2.35V
V
DD
= 5.25V
V
DD
= 4.75V
V
DD
= 3.6V
Figure 12. AD7922 SINAD vs. Input Frequency at 1 MSPS
–71.6
–71.8
–72.0
–72.4
–72.2
–72.6
–72.8
–73.0
–73.2
–73.4
–73.610
100
1000
0
S
FREQUENCY (kHz)
V
DD
= 2.35V
V
DD
= 5.25V
V
DD
= 2.7V
V
DD
= 4.75V
V
DD
= 3.6V
Figure 13. AD7922 SNR vs. Input Frequency at 1 MSPS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7912ARM-REEL7 | 2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-/12-Bit ADCs |
| AD7922 | 2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-/12-Bit ADCs |
| AD7922ARM | 2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-/12-Bit ADCs |
| AD7922ARM-REEL | 2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-/12-Bit ADCs |
| AD7922ARM-REEL7 | 2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-/12-Bit ADCs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7912ARM-REEL7 | 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 制造商:Rochester Electronics LLC 功能描述:DUAL 10-BIT, 1MSPS, ADC I.C - Tape and Reel |
| AD7912ARMZ | 功能描述:IC ADC 10BIT DUAL 2CH 8MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| AD7912ARMZ-REEL | 功能描述:IC ADC 10BIT DUAL 2CH 8MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)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(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)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 |
| AD7912ARMZ-REEL7 | 功能描述:IC ADC 10BIT DUAL 2CH 8MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)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(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)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 |
| AD7912AUJ-R2 | 制造商:Analog Devices 功能描述: 制造商:Rochester Electronics LLC 功能描述:DUAL 10-BIT, 1MSPS, ADC I.C - Bulk |
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