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ADS8284IBRGCT 参数 Datasheet PDF下载

ADS8284IBRGCT图片预览
型号: ADS8284IBRGCT
PDF下载: 下载PDF文件 查看货源
内容描述: 18位, 1 MSPS ,具有片上ADC驱动器( OPA )和4通道差分多路复用伪差分双极性SAR ADC [18-BIT, 1-MSPS, PSEUDO-BIPOLAR DIFFERENTIAL SAR ADC WITH ON-CHIP ADC DRIVER (OPA) AND 4-CHANNEL DIFFERENTIAL MULTIPLEXER]
分类和应用: 驱动器转换器模数转换器
文件页数/大小: 38 页 / 1827 K
品牌: TI [ TEXAS INSTRUMENTS ]
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ADS8284  
www.ti.com................................................................................................................................................................................................... SLAS628MARCH 2009  
t
w1  
t
w2  
CONVST  
t
t
pd2  
pd1  
t
w4  
t
w3  
BUSY  
t
t
w7  
su1  
t
d7  
CS  
t
pd3  
t
d6  
CONVERT  
t
(CONV)  
t
(CONV)  
t
(HOLD)  
SAMPLING  
(When CS Toggle)  
t
(ACQ)  
t
t
su(ABORT)  
su(ABORT)  
BYTE  
t
t
h1  
su5  
BUS 18/16  
t
pd4  
t
h2  
RD = 0  
t
en  
t
en  
t
dis  
t
dis  
t
en  
Repeated  
Previous  
D[17:12]  
MSB  
D[17:12]  
Hi−Z  
Hi−Z  
Hi−Z  
D[17:12]  
D[9:4]  
D[3:2]  
DB[17:12]  
DB[11:10]  
Repeated  
D[11:10]  
Previous  
D[11:10]  
Hi−Z  
Hi−Z  
Hi−Z  
Hi−Z  
Hi−Z  
Hi−Z  
D[11:10]  
D[1:0]  
Repeated  
D [9:0]  
Previous  
D [9:0]  
D[9:0]  
DB[9:0]  
Signal internal to device  
Figure 3. Timing for Conversion and Acquisition Cycles with CS Toggling, RD Tied to BDGND  
Copyright © 2009, Texas Instruments Incorporated  
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Product Folder Link(s) :ADS8284