參數(shù)資料
型號(hào)： AD7911AUJZ-R2
廠商： Analog Devices Inc
文件頁數(shù)： 5/28頁
文件大小： 0K
描述： IC ADC 10BIT 250KSPS TSOT23-8
標(biāo)準(zhǔn)包裝： 1
位數(shù)： 10
采樣率（每秒）： 250k
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(gè)單端，單極
其它名稱： AD7911AUJZ-R2DKR
AD7911/AD7921
Rev. A | Page 13 of 28
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.
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
04350-0-009
FREQUENCY (kHz)
S
NR
(dB)
8192 POINT FFT
VDD = 2.7V
FSAMP = 250kSPS
FIN = 100kHz
SNR = 73.13dB
SINAD = 72.73dB
THD = –83.30dB
SFDR = –86.15dB
Figure 10. AD7921 Dynamic Performance at 250 kSPS
8192 POINT FFT
VDD = 2.7V
FSAMP = 250kSPS
FIN = 100kHz
SNR = 73.13dB
SINAD = 72.73dB
THD = –83.30dB
SFDR = –86.15dB
5
–115
–95
–75
–55
–35
–15
0
20
40
60
80
100
120
04350-0-010
FREQUENCY (kHz)
S
NR
(dB)
8192 POINT FFT
VDD = 2.7V
FSAMP = 250kSPS
FIN = 100kHz
SNR = 61.75dB
SINAD = 61.74dB
THD = –86.24dB
SFDR = –84.46dB
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
04350-0-011
FREQUENCY (kHz)
S
INAD
(dB)
VDD = 3.6V
VDD = 5.25V
VDD = 4.75V
VDD = 2.35V
VDD = 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
04350-0-012
FREQUENCY (kHz)
S
NR
(dB)
VDD = 2.35V
VDD = 3.6V
VDD = 5.25V
VDD = 4.75V
VDD = 2.7V
Figure 13. AD7921 SNR vs. Input Frequency at 250 kSPS
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參數(shù)描述
AD7911AUJZ-REEL7 功能描述:IC ADC 10BIT 250KSPS TSOT23-8 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(biāo)準(zhǔn)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(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494
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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
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
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