參數(shù)資料
型號(hào)： ADS8382IBRHPT
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： ADC
英文描述： 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC28
封裝： 6 X 6 MM, GREEN, PLASTIC, QFN-28
文件頁(yè)數(shù)： 11/35頁(yè)
文件大?。?/td> 1416K
代理商： ADS8382IBRHPT
www.ti.com
DATA READ OPERATION
CS
tquiet1
tsu2
tquiet3
SDO
D17
MSB
1
16
17
18
19
SCLK
D1
D0
LSB
D17 Repeated
BUSY
D15
D16
Conversion N
D14
D3
D2
Conversion N+1
tsu5
th5
tcyc
td14
tquiet2
tw2
td13
td12
th2
No CS
Fall
Zone
CS Fall After This
Point Reads Data
From Conversion
N
CS Fall Before This
Point Reads Data
From Conversion
N1
CONVST
If There is 19th SCLK
2
3
4
ADS8382
SLAS416B – JUNE 2004 – REVISED NOVEMBER 2004
Data read control is independent of conversion control. Data can be read either during conversion or during
sampling. Data that is read during a conversion involves latency of one sample. The start of a new data frame
around the fall of BUSY is constrained by tsu2, tsu3, th2, and th8.
1. SPI interface:
A data read operation in SPI interface mode is shown in Figure 47. FS must be tied high for operating in this
mode. The MSB of the output data is available at the falling edge of CS. MSB – 1 is shifted out at the first
rising edge after the first falling edge of SCLK after CS falling edge. Subsequent bits are shifted at the
subsequent rising edges of SCLK. If another data frame is attempted (by pulling CS high and subsequently
low) during an active data frame, then the ongoing frame is aborted and a new frame is started.
Figure 47. Read Frame Controlled via CS (FS = 1)
If another data frame is attempted (by pulling CS high and then low) during an active data frame, then the
ongoing frame is aborted and a new frame is started.
2. Serial interface using FS:
A data read operation in this mode is shown in Figure 48 and Figure 49. The MSB of the output data is
available at the rising edge of FS. MSB – 1 is shifted out at the first rising edge after the first falling edge of
SCLK after the FS falling edge. Subsequent bits are shifted at the subsequent rising edges of SCLK.
19
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS8382IBRHPTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS8382IRHPR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS8382IRHPRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS8382IRHPT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS8382IRHPTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 600KSPS 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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