參數(shù)資料
型號(hào): AD7478ARTZ-REEL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 4/25頁(yè)
文件大小: 0K
描述: IC ADC 8BIT 1MSPS SOT23-6
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標(biāo)準(zhǔn)包裝: 10,000
位數(shù): 8
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): 17.5mW
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-23-6
供應(yīng)商設(shè)備封裝: SOT-23-6
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)單端,單極
AD7476/AD7477/AD7478
Rev. F | Page 11 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
0
–10
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–90
0
500
450
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SN
R
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d
B
)
FREQUENCY (kHz)
01
02
4-
0
07
8192 POINT FFT
fSAMPLE = 1MSPS
fIN = 100kHz
SINAD = 49.82dB
THD = –75.22dB
SFDR = –67.78dB
–15
–35
–55
–75
–95
–115
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R
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FREQUENCY (kHz)
01
02
4-
0
04
8192 POINT FFT
fSAMPLE = 1MSPS
fIN = 100kHz
SINAD = 71.67dB
THD = –81.00dB
SFDR = –81.63dB
Figure 4. AD7476 Dynamic Performance at 1 MSPS
Figure 7. AD7478 Dynamic Performance at 1 MSPS
–66
–73
–72
–71
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–69
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–67
10k
1M
100k
S
INA
D
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d
B)
INPUT FREQUENCY (kHz)
01
02
4-
00
8
VDD = 2.35V
SCLK = 20MHz
VDD = 2.7V
VDD = 5.25V
VDD = 3.6V
VDD = 4.75V
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–75
–95
–115
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SN
R
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FREQUENCY (kHz)
01
02
4-
0
05
8192 POINT FFT
fSAMPLE = 600kSPS
fIN = 100kHz
SINAD = 71.71dB
THD = –80.88dB
SFDR = –83.23dB
Figure 5. AD7476 Dynamic Performance at 600 kSPS
Figure 8. AD7476 SINAD vs. Input Frequency at 993 kSPS
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S
N
R
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d
B)
FREQUENCY (kHz)
01
02
4-
00
6
8192 POINT FFT
fSAMPLE = 1MSPS
fIN = 100kHz
SINAD = 61.66dB
THD = –80.64dB
SFDR = –85.75dB
–69.0
–72.5
–72.0
–71.5
–71.0
–70.5
–70.0
–69.5
10k
1M
100k
S
INA
D
(
d
B)
INPUT FREQUENCY (kHz)
01
02
4-
00
9
SCLK = 12MHz
VDD = 2.35V
VDD = 2.7V
VDD = 5.25V
VDD = 4.75V
VDD = 3.6V
Figure 6. AD7477 Dynamic Performance at 1 MSPS
Figure 9. AD7476 SINAD vs. Input Frequency at 605 kSPS
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