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參數資料
| 型號： | AD7731EB |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | Precision, Zero-Drift Instrumentation Amplifier; Package: SO; No of Pins: 16; Temperature Range: 0°C to +70°C |
| 中文描述： | 低噪聲高通量24位Σ-Δ模數轉換器（411.99十一） |
| 文件頁數： | 20/44頁 |
| 文件大小： | 411K |
| 代理商： | AD7731EB |
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AD7731
–20–
REV. 0
RE ADING FROM AND WRIT ING T O T HE ON-CHIP RE GIST E RS
T he AD7731 contains a total of twelve on-chip registers. T hese registers are all accessed over a three-wire interface. As a result,
addressing of registers is via a write operation to the topmost register on the part, the Communications Register. Figure 5 shows a
flowchart for reading from the different registers on the part summarizing the sequence and the words to be written to access each of
the registers. Figure 6 gives a flowchart for writing to the different registers on the part, again summarizing the sequence and words
to be written to the AD7731.
Byte W
(Hex)
Byte Y
(Hex)
Byte Z
(Hex)
Register
Status Register
Data Register
Mode Register
Filter Register
Offset Register
Gain Register
10
11
12
13
15
16
20
21
22
N/A*
N/A*
N/A*
30
30
30
N/A*
N/A*
N/A*
*N/A = Not Applicable. Continuous reads of these registers does
not make sense as the register contents would remain the same
since they are only changed by a write operation.
Figure 5. Flowchart for Reading from the AD7731 Registers
Register
Byte Y (Hex)
Communications Register
Data Register
Mode Register
Filter Register
Offset Register
Gain Register
T est Register
00
Read Only Register.
02
03
05
06
User is advised not
to change contents of
T est Register
Figure 6. Flowchart for Writing to the AD7731 Registers
START
WRITE BYTE W TO
COMMUNICATIONS REGISTER
(SEE ACCOMPANYING TABLE)
YES
READ REGISTER
NO
WRITE BYTE Y TO
COMMUNICATIONS REGISTER
(SEE ACCOMPANYING TABLE)
READ REGISTER
YES
NO
WRITE BYTE Z TO
COMMUNICATIONS REGISTER
(SEE ACCOMPANYING TABLE)
STOP
CONTINUOUS
READ
OPERATION
CONTINUOUS
READS OF
REGISTER
REQUIRED
START
WRITE BYTE Y TO
COMMUNICATIONS REGISTER
(SEE ACCOMPANYING TABLE)
WRITE TO REGISTER
END
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| AD7732BRU-REEL7 | 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 15.437ksps 24-bit Serial 28-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 15.437KSPS 24BIT SERL 28TSSOP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:2 DIFF CH :10V INPUT, 28-BIT SD ADC - Tape and Reel |
| AD7732BRUZ | 功能描述:IC ADC 24BIT 2-CH 28-TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數:8 采樣率（每秒）:1M 數據接口:串行，SPI? 轉換器數目:1 功率耗散（最大）:- 電壓電源:模擬和數字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應商設備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數目和類型:8 個單端，單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
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