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參數資料
| 型號： | AD7998BRUZ-03 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 串行ADC |
| 英文描述： | 8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
| 中文描述： | 8通道，10 -和12位ADC與I2CCompatible |
| 文件頁數： | 2/32頁 |
| 文件大?。?/td> | 1056K |
| 代理商： | AD7998BRUZ-03 |
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AD7997/AD7998
TABLE OF CONTENTS
Rev. 0 | Page 2 of 32
AD7997 Specifications.....................................................................3
AD7998 Specifications.....................................................................5
I
2
C Timing Specifications................................................................7
Absolute Maximum Ratings............................................................9
ESD Caution..................................................................................9
Pin Configuration and Pin Function Descriptions....................10
Terminology....................................................................................11
Typical Performance Characteristics...........................................12
Circuit Information........................................................................15
Converter Operation..................................................................15
Typical Connection Diagram ...................................................16
Analog Input...............................................................................16
Internal Register Structure............................................................18
Address Pointer Register ...........................................................18
Configuration Register..............................................................19
Conversion Result Register.......................................................20
Limit Registers............................................................................20
Alert Status Register (CH1 to CH4) ........................................21
Cycle Timer Register..................................................................22
Sample Delay and Bit Trial Delay.............................................22
Serial Interface ................................................................................23
Serial Bus Address...................................................................... 23
Writing to the AD7997/AD7998.................................................. 24
Writing to the Address Pointer Register for a Subsequent
Read.............................................................................................. 24
Writing a Single Byte of Data to the Alert Status Register or
Cycle Register.............................................................................. 24
Writing Two Bytes of Data to a Limit, Hysteresis, or
Configuration Register.............................................................. 24
Reading Data from the AD7997/AD7998................................... 26
ALERT/BUSY Pin .......................................................................... 27
SMBus ALERT............................................................................ 27
BUSY............................................................................................ 27
Placing the AD7997-1/AD7998-1 into High Speed Mode... 27
The Address Select (AS) Pin..................................................... 27
Modes of Operation....................................................................... 28
Mode 1—Using the CONVST Pin........................................... 28
Mode 2 – COMMAND MODE ............................................... 29
Mode 3—Automatic Cycle Interval Mode.............................. 30
Outline Dimensions....................................................................... 31
Ordering Guide .......................................................................... 31
Related Parts in I
2
C-Compatible ADC Product Family........ 31
REVISION HISTORY
9/04—Revision 0: Initial Version
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| AD7998BRUZ-0REEL | 功能描述:IC ADC 12BIT 8CHAN I2C 20TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率（每秒）:45k 數據接口:串行 轉換器數目:2 功率耗散（最大）:315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端，單極 |
| AD7998BRUZ-0REEL3 | 制造商:AD 制造商全稱:Analog Devices 功能描述:8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
| AD7998BRUZ-1 | 功能描述:IC ADC 12BIT 8CH W/I2C 20-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 |
| AD7998BRUZ-13 | 制造商:AD 制造商全稱:Analog Devices 功能描述:8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
| AD7998BRUZ-1REEL | 功能描述:IC ADC 12BIT 8CHAN I2C 20TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率（每秒）:45k 數據接口:串行 轉換器數目:2 功率耗散（最大）:315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端，單極 |
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