參數(shù)資料
型號(hào)： ADS8380IBRHPT
英文描述： 18-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE
中文描述： 18位，600千赫，偽差分輸入，微采樣模數(shù)位串行接口和參考轉(zhuǎn)爐
文件頁(yè)數(shù)： 15/29頁(yè)
文件大小： 1397K
代理商： ADS8380IBRHPT
www.ti.com
SOC
BUSY=0 > 1
Wait
BUSY=0
Sample
BUSY=0
NAP
BUSY=0
EOC
BUSY= 1>0
Power
On
BUSY=0
CS = 0 and CONVST = 1
CS = 0 and CONVST = 1
Back to Back Cycle
CS = 0 and CONVST = 1
Falling Edge of
CONVST_QUAL
and BUSY = 1
Abort
CONVST_QUAL = 0
CONVST_QUAL = 1
and CS = 1
Falling Edge of CONVST_QUAL
CONVERSION
+VA and +VBD Reach Operation Range
and PD = 0
D
Q
LATCH
LATCH
CONVST
CS
CONVST_QUAL
TIMING DIAGRAMS
In the following descriptions, the signal CONVST_QUAL represents CONVST latched by a low value on CS (see
Figure 39).
ADS8380
SLAS387A–NOVEMBER 2004–REVISED DECEMBER 2004
A.
EOC = End of conversion, SOC = Start of conversion, CONVST_QUAL is CONVST latched by CS = 0, see
Figure 39.
Figure 38. Device States and Ideal Transitions
Figure 39. Relationship Between CONVST_QUAL, CS, and CONVST
To avoid performance degradation, there are three quiet zones to be observed (t
quiet1
and t
quiet2
are zones before
and after the falling edge of CONVST_QUAL while t
quiet3
is a time zone before the falling edge of BUSY) where
there should be no I/O activities. Interface control signals, including the serial clock should remain steady. Typical
degradation in performance if these quiet zones are not observed is depicted in the specifications section.
To avoid data loss a read operation should not start around the BUSY falling edge. This is constrained by t
su2
,
t
su3
, t
h2
, and t
h8
.
15
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS8380IBRHPTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS Serial 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
ADS8380IRHPR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS Serial 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
ADS8380IRHPRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS Serial 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
ADS8380IRHPT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS Serial 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
ADS8380IRHPTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS Serial 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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