參數(shù)資料
型號(hào)： AD7911ARM-REEL7
廠商： ANALOG DEVICES INC
元件分類(lèi)： 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-187AA, MSOP-8
文件頁(yè)數(shù)： 13/28頁(yè)
文件大?。?/td> 312K
代理商： AD7911ARM-REEL7
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
相關(guān)PDF資料
PDF描述
AD7911AUJ-R2 2-Channel, 2.35 V to 5.25 V 250 kSPS, 10-/12-Bit ADCs
AD7911AUJ-REEL7 2-Channel, 2.35 V to 5.25 V 250 kSPS, 10-/12-Bit ADCs
AD7921 2-Channel, 2.35 V to 5.25 V 250 kSPS, 10-/12-Bit ADCs
AD7921ARM 2-Channel, 2.35 V to 5.25 V 250 kSPS, 10-/12-Bit ADCs
AD7921ARM-REEL 2-Channel, 2.35 V to 5.25 V 250 kSPS, 10-/12-Bit ADCs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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AD7911ARMZ-REEL7 功能描述:IC ADC 10BIT DUAL 2CH 8-MSOP RoHS:是 類(lèi)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(lèi)型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類(lèi)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
AD7911AUJ-R2 制造商:Analog Devices 功能描述:ADC Single SAR 250ksps 10-bit Serial 8-Pin TSOT T/R
AD7911AUJ-REEL7 制造商:Analog Devices 功能描述:ADC Single SAR 250ksps 10-bit Serial 8-Pin TSOT T/R
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