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參數(shù)資料
| 型號： | ADS5421K5 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 14-Bit, 62MSPS Sampling ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 14位，62MSPS采樣模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/21頁 |
| 文件大小： | 395K |
| 代理商： | ADS5421K5 |
ADS5421
SBAS237D
5
www.ti.com
10 Clock Cycles
Data Invalid
t
D
t
DV
t
L
t
H
t
CONV
N – 10
N – 9
N – 8
N – 7
N – 6
N – 5
N – 4
N – 3
N – 2
N – 1
N
Data Out
Data Valid Output
Clock
Analog In
N
t
2
N + 1
N + 2
N + 3
N + 4
N + 5
N + 6
N + 7
N + 8
N + 9
N + 10
t
1
TIMING DIAGRAM
REFERENCE AND FULL-SCALE RANGE SELECT TABLE
DESIRED FULL-SCALE RANGE
SEL1
SEL2
INTERNAL V
REF
2V
1.5V
1V
4Vp-p
3Vp-p
2Vp-p
GND
GND
V
REF
GND
+V
SA
GND
NOTE: For external reference operation, tie V
to +V
. The full-scale range will be 2x the reference value. For example, selecting a 2V external reference
will set the full-scale values of 1.5V to 3.5V for both IN and IN inputs.
SYMBOL
DESCRIPTION
MIN
TYP
MAX
UNITS
t
CONV
t
L
t
H
t
D
t
1
t
2
t
DV
Convert Clock Period
Clock Pulse LOW
Clock Pulse HIGH
Aperture Delay
Data Hold Time, C
L
= 0pF
New Data Delay Time, C
L
= 15pF max
Data Valid Output, C
L
= 15pF
25
11.5
11.5
1
μ
s
ns
ns
ns
ns
ns
ns
ns
t
CONV
/2
t
CONV
/2
3
7.2
12.7
4.4
3.9
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS5421R | 制造商:BB 制造商全稱:BB 功能描述:14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS5421T | 制造商:BB 制造商全稱:BB 功能描述:14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS5421Y | 制造商:BB 制造商全稱:BB 功能描述:14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS5421Y/R | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14 Bit 40MSPS Sampling ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS5421Y/RG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14 Bit 40MSPS Sampling ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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