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參數資料
型號: AD7994
廠商: Analog Devices, Inc.
英文描述: 4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP
中文描述: 4通道,12-/10-Bit ADC的16 - I2C兼容接口的無鉛TSSOP封裝
文件頁數: 20/27頁
文件大?。?/td> 277K
代理商: AD7994
AD7994/AD7993
–20–
REV. PrF
PRELIMINARY TECHNICAL DATA
CYCLE TIMER REGISTER
The Cycle Timer Register is a 8-bit read/write register,
which stores the conversion interval value for the Auto-
matic Cycle mode of the AD7994/AD7993, see Modes of
Operation section. The five MSBs of the Cycle Timer
Register are unused and should contain 0’s at all times.
On power up, the Cycle Timer Register will contain all
0s, thus disabling the Automatic Cycle operation of the
AD7994/AD7993. To enable the Automatic Cycle Mode
the user must write to the Cycle Timer Register, selecting
the required conversion interval. Table XIIa shows the
structure of the Cycle Timer register while Table XIIb
shows how the bits in this register are decoded to provide
various automatic sampling intervals.
Table XIIa. Cycle Timer Register
* Default settings on Power-up
Table XIIb. Cycle Timer Intervals
D2 D1 D0
Conversion Interval (typ)
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
T
CONVERT
is equivalent to the conversion time of the
ADC.
Mode not selected
T
CONVERT
x 32
T
CONVERT
x 64
T
CONVERT
x 128
T
CONVERT
x 256
T
CONVERT
x 512
T
CONVERT
x 1024
T
CONVERT
x 2048
D7
D6
D5
D4
D3
D2
D1
D0
Sample Bit Trial 0
Dealy
Delay
0
0
Cyc Cyc
Bit2
Cyc
Bit0
Bit1
0*
0*
0*
0*
0*
0*
0*
0*
相關PDF資料
PDF描述
AD7993BRU-1 4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP
AD7997 8-Channel, 10- and 12-Bit ADCs with I2CCompatible
AD7997BRU-0 8-Channel, 10- and 12-Bit ADCs with I2CCompatible
AD7997BRU-0REEL 8-Channel, 10- and 12-Bit ADCs with I2CCompatible
AD7997BRU-1 8-Channel, 10- and 12-Bit ADCs with I2CCompatible
相關代理商/技術參數
參數描述
AD7994-0 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 10- and 12-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP
AD7994-1 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 10- and 12-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP
AD7994BRU-0 功能描述:IC ADC 12BIT 4CHAN I2C 16TSSOP 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: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
AD7994BRU-0REEL 功能描述:IC ADC 12BIT 4CHAN I2C 16TSSOP 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: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
AD7994BRU-1 制造商:Analog Devices 功能描述:ADC Single SAR 188ksps 12-bit Serial 16-Pin TSSOP 制造商:Rochester Electronics LLC 功能描述:
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