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參數資料
| 型號： | AD7714AR-5 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | Metal Oxide Varistor (MOV); Voltage Rating AC, Vrms:680Vrms; Voltage Rating DC, Vdc:895VDC; Peak Surge Current (8/20uS), Itm:4500A; Clamping Voltage 8/20us Max :1815V; Capacitance, Cd:140pF; Package/Case:14mm Disc |
| 中文描述： | 5-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO24 |
| 封裝： | WSOIC-24 |
| 文件頁數： | 30/40頁 |
| 文件大小： | 306K |
| 代理商： | AD7714AR-5 |
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AD7714
REV. C
–30–
Figure 8. Flowchart for Setting Up and Reading from the AD7714
CONFIGURING THE AD7714
The AD7714 contains eight on-chip registers that can be
accessed via the serial interface. Communication with any of
these registers is initiated by writing to the Communications
Register first. Figure 8 outlines a flow diagram of the sequence
which is used to configure all registers after a power-up or reset.
The flowchart also shows two different read options—the first
where the
DRDY
pin is polled to determine when an update of
the data register has taken place, the second where the
DRDY
bit of the Communications Register is interrogated to see if a
data register update has taken place. Also included in the flow-
ing diagram is a series of words which should be written to the
registers for a particular set of operating conditions. These con-
ditions are test channel (AIN6/AIN6), gain of 1, burnout cur-
rent off, no filter sync, bipolar mode, 24-bit word length, boost
off and maximum filter word (4000 decimal).
START
CONFIGURE & INITIALIZE μC/μP SERIAL PORT
POWER-ON/RESET FOR AD7714
WRITE TO COMMUNICATIONS REGISTER SETTING UP
CHANNEL & SETTING UP NEXT OPERATION TO BE A
WRITE TO THE FILTER HIGH REGISTER (27 HEX)
WRITE TO FILTER HIGH REGISTER SETTING
UP REQUIRED VALUES (4F HEX)
WRITE TO FILTER LOW REGISTER SETTING
UP REQUIRED VALUES (A0 HEX)
WRITE TO MODE REGISTER SETTING UP REQUIRED
VALUES & INITIATING A CALIBRATION (20 HEX)
WRITE TO COMMUNICATIONS REGISTER SETTING UP
SAME CHANNEL & SETTING UP NEXT OPERATION TO
BE A WRITE TO THE FILTER LOW REGISTER (37 HEX)
WRITE TO COMMUNICATIONS REGISTER SETTING UP
SAME CHANNEL & SETTING UP NEXT OPERATION TO
BE A WRITE TO THE MODE REGISTER (17 HEX)
POLL
DRDY
PIN
DRDY
LOW
YES
NO
WRITE TO COMMUNICATIONS REGISTER SETTING UP
SAME CHANNEL & SETTING UP NEXT OPERATION TO
BE A READ FROM THE DATA REGISTER (5F HEX)
READ FROM DATA REGISTER
DRDY
LOW
POLL
DRDY
BIT OF COMMUNICATIONS REGISTER
YES
NO
WRITE TO COMMUNICATIONS REGISTER SETTING UP
SAME CHANNEL & SETTING UP NEXT OPERATION TO
BE A READ FROM THE DATA REGISTER (5F HEX)
READ FROM DATA REGISTER
WRITE TO COMMUNICATIONS REGISTER SETTING UP
SAME CHANNEL & SETTING UP NEXT OPERATION TO BE A
READ FROM THE COMMUNICATIONS REGISTER (0F HEX)
READ FROM COMMUNICATIONS REGISTER
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7714AR-5REEL | 功能描述:IC ADC 24BIT SIGMA-DELTA 24-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯 轉換器數目: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） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7714AR-5Z | 制造商:Analog Devices 功能描述:ADC 24BIT 5CH PGA 24SOIC 制造商:Analog Devices 功能描述:ADC, 24BIT, 5CH PGA, 24SOIC; Resolution (Bits):24bit; Sampling Rate:1kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:1.1mA; Digital IC Case Style:SOIC; No. of Pins:24; Input ;RoHS Compliant: Yes |
| AD7714ARS-3 | 功能描述:IC ADC 24BIT SIGMA-DELTA 28SSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯 轉換器數目: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） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7714ARS-3REEL | 功能描述:IC ADC 24BIT SIGMA-DELTA 28SSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯 轉換器數目: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） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7714ARS-5 | 功能描述:IC ADC SIGNAL COND 5V 28-SSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯 轉換器數目: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） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極 |
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