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參數(shù)資料
| 型號： | AD7851KRZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 24/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT SRL 333KSPS 24-SOIC |
| 標準包裝： | 31 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 333k |
| 數(shù)據(jù)接口： | 8051，QSPI?，串行，SPI? µP |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 89.25mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | 0°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個偽差分，單極；1 個偽差分，雙極 |
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AD7851
–30–
REV. B
Interface Mode 1 Configuration
Figure 42 shows the flowchart for configuring the part in Inter-
face Mode 1. This mode of operation can only be enabled by
writing to the control register and setting the 2/
3 MODE bit.
Reading and writing cannot take place simultaneously in this
mode as the DIN pin is used for both reading and writing.
SERIAL
INTERFACE
MODE
?
POWER ON, APPLY CLKIN SIGNAL,
WAIT FOR AUTOMATIC CALIBRATION
NO
YES
WAIT FOR BUSY SIGNAL TO GO
LOW OR WAIT FOR BUSY BIT = 0
READ
DATA
DURING
CONVERSION
?
APPLY
SYNC (IF REQUIRED), SCLK, READ
CURRENT CONVERSION RESULT ON DIN PIN
1
INITIATE
CONVERSION
IN
SOFTWARE
?
WAIT APPROXIMATLY 200ns
AFTER
CONVST RISING EDGE
OR AFTER END OF CONTROL
REGISTER WRITE
APPLY
SYNC (IF REQUIRED),
SCLK, READ PREVIOUS CONVERSION
RESULT ON DIN PIN
NO
YES
APPLY
SYNC (IF REQUIRED),
SCLK, WRITE TO CONTROL REGISTER
SETTING THE 2-WIRE MODE
AND
CONVST BIT TO 1
START
APPLY
SYNC (IF REQUIRED),
SCLK, WRITE TO CONTROL REGISTER
SETTING THE 2-WIRE MODE
PULSE
CONVST PIN
Figure 42. Flowchart for Setting Up, Reading, and Writing
in Interface Mode 1
Interface Modes 4 and 5 Configuration
Figure 43 shows the flowchart for configuring the AD7851 in
Interface Modes 4 and 5, the self-clocking modes. In this case, it
is not recommended to use the software conversion start option.
The read and write operations always occur simultaneously and
during conversion.
POWER ON, APPLY CLKIN SIGNAL,
WAIT FOR AUTOMATIC CALIBRATION
SYNC AUTOMATICALLY GOES
LOW AFTER
CONVST RISING EDGE
PULSE
CONVST PIN
SCLK AUTOMATICALLY ACTIVE, READ CURRENT
CONVERSION RESULT ON DOUT PIN, WRITE
TO CONTROL REGISTER ON DIN PIN
4, 5
START
SERIAL
INTERFACE
MODE
?
Figure 43. Flowchart for Setting Up, Reading, and Writing
in Interface Modes 4 and 5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7851KRZ3 | 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit 333 kSPS Serial A/D Converter |
| AD7851KRZ-REEL | 功能描述:IC ADC 14BIT SRL 333KSPS 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7851KRZ-REEL3 | 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit 333 kSPS Serial A/D Converter |
| AD7853 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
| AD7853AN | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 24-Pin PDIP 制造商:Analog Devices 功能描述:ADC SGL SAR 200KSPS 12-BIT SERL 24PDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:SELF CAL.SERIAL 12-BIT ADC I.C. - Bulk 制造商:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs |
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