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參數資料
| 型號： | AD7997BRU-1 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
| 中文描述： | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | MO-153-AC, TSSOP-20 |
| 文件頁數： | 2/32頁 |
| 文件大小： | 1056K |
| 代理商： | AD7997BRU-1 |
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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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PDF描述 |
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| AD7997BRU-1REEL | 8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
| AD7997BRUZ-03 | 8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
| AD7997BRUZ-0REEL3 | 8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
| AD7997BRUZ-13 | 8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
| AD7997BRUZ-1REEL3 | 8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7997BRU-1REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 188ksps 10-bit Serial 20-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 188KSPS 10-BIT SERL 20SSOP - Tape and Reel |
| AD7997BRU-O | 制造商:Analog Devices 功能描述: |
| AD7997BRUZ-0 | 功能描述:IC ADC 10BIT 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 |
| AD7997BRUZ-03 | 制造商:AD 制造商全稱:Analog Devices 功能描述:8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
| AD7997BRUZ-0REEL | 功能描述:IC ADC 10BIT 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:2,500 系列:- 位數:16 采樣率（每秒）:15 數據接口:MICROWIRE?，串行，SPI? 轉換器數目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
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