參數(shù)資料
型號(hào)： AD7194BCPZ-REEL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 30/57頁(yè)
文件大?。?/td> 0K
描述： IC ADC 24BIT SPI 4.8KHZ 32LFCSP
標(biāo)準(zhǔn)包裝： 1,500
位數(shù)： 24
采樣率（每秒）： 4.8k
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 32-WFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 32-LFCSP-WQ（5x5）
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 8 個(gè)差分，單極；8 個(gè)差分，雙極；16 個(gè)偽差分，單極；16 偽差分，雙極
Data Sheet
AD7194
Rev. A | Page 35 of 56
Continuous Read
Rather than write to the communications register each time a
conversion is complete to access the data, the AD7194 can be
configured so that the conversions are placed on the DOUT/
RDY line automatically. By writing 01011100 to the communi-
cations register, the user need only apply the appropriate number
of SCLK cycles to the ADC, and the conversion word is auto-
matically placed on the DOUT/RDY line when a conversion is
complete. The ADC should be configured for continuous
conversion mode.
When DOUT/RDY goes low to indicate the end of a conversion,
sufficient SCLK cycles must be applied to the ADC; the data
conversion is then placed on the DOUT/RDY line. When the
conversion is read, DOUT/RDY returns high until the next
conversion is available. In this mode, the data can be read only
once. The user must also ensure that the data-word is read
before the next conversion is complete. If the user has not read
the conversion before the completion of the next conversion,
or if insufficient serial clocks are applied to the AD7194 to
read the word, the serial output register is reset when the next
conversion is complete, and the new conversion is placed in the
output serial register.
To exit the continuous read mode, Instruction 01011000 must
be written to the communications register while the RDY pin is
low. While in the continuous read mode, the ADC monitors
activity on the DIN line so that it can receive the instruction to
exit the continuous read mode. Additionally, a reset occurs if 40
consecutive 1s are seen on DIN. Therefore, DIN should be held
low in continuous read mode until an instruction is to be written to
the device.
DIN
SCLK
DOUT/RDY
CS
0x5C
DATA
08566-
025
Figure 26. Continuous Read
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7195 制造商:AD 制造商全稱:Analog Devices 功能描述:4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation
AD7195BCPZ 功能描述:IC AFE 24BIT 4.8K 32LFSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模擬前端 (AFE) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):- 通道數(shù):2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數(shù)字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:帶卷 (TR)
AD7195BCPZ 制造商:Analog Devices 功能描述:IC ADC 24BIT 4.8KSPS CSP-32
AD7195BCPZ-RL 功能描述:IC AFE 24BIT 4.8K 32LFSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模擬前端 (AFE) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):- 通道數(shù):2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數(shù)字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:帶卷 (TR)
AD7195BCPZ-RL7 功能描述:IC AFE 24BIT 4.8K 32LFSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模擬前端 (AFE) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):- 通道數(shù):2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數(shù)字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:帶卷 (TR)
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