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參數(shù)資料
| 型號： | AD7922AUJZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 5/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC DUAL 12BIT 2CH TSOT-23-8 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 1M |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 20mW |
| 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： | SOT-23-8 薄型，TSOT-23-8 |
| 供應(yīng)商設(shè)備封裝： | TSOT-23-8 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 輸入數(shù)目和類型： | 2 個單端，單極 |
| 其它名稱： | AD7922AUJZ-REEL7DKR |
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AD7912/AD7922
Rev. 0 | Page 13 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
and AD7912, respectively, at a 1 MSPS sample rate and 100 kHz
input frequency.
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
–115
0
50
100
150
200
250
300
350
400
450
500
04351-0-040
S
NR
(dB)
FREQUENCY (kHz)
8192 POINT FFT
VDD = 2.7V
FSAMP = 1MSPS
FIN = 100kHz
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
–110
0
50
100
150
200
250
300
350
400
450
500
04351-0-041
S
NR
(dB)
FREQUENCY (kHz)
8192 POINT FFT
VDD = 2.7V
FSAMP = 1MSPS
FIN = 100kHz
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
04351-0-043
S
INAD
(dB)
FREQUENCY (kHz)
VDD = 2.7V
VDD = 2.35V
VDD = 5.25V
VDD = 4.75V
VDD = 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
–73.6
10
100
1000
04351-0-044
S
NR
(dB)
FREQUENCY (kHz)
VDD = 2.35V
VDD = 5.25V
VDD = 2.7V
VDD = 4.75V
VDD = 3.6V
Figure 13. AD7922 SNR vs. Input Frequency at 1 MSPS
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| AD7923 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 16-Lead TSSOP |
| AD7923_11 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 200 kSPS 12-Bit ADC with Sequencer in 16-Lead TSSOP |
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| AD7923BRU-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 16-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 200KSPS 12-BIT SERL 16TSSOP - Tape and Reel |
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