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TMS320F28232ZJZQ 参数 Datasheet PDF下载

TMS320F28232ZJZQ图片预览
型号: TMS320F28232ZJZQ
PDF下载: 下载PDF文件 查看货源
内容描述: 数字信号控制器(DSC ) [Digital Signal Controllers (DSCs)]
分类和应用: 微控制器和处理器外围集成电路数字信号处理器时钟
文件页数/大小: 195 页 / 2496 K
品牌: TI [ TEXAS INSTRUMENTS ]
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TMS320F28335, TMS320F28334, TMS320F28332  
TMS320F28235, TMS320F28234, TMS320F28232  
SPRS439IJUNE 2007REVISED MARCH 2011  
www.ti.com  
Figure 4-9 shows the ADC pin-biasing for internal reference and Figure 4-10 shows the ADC pin-biasing  
for external reference.  
ADCINA[7:0]  
ADCINB[7:0]  
ADCLO  
ADC 16-Channel Analog Inputs  
Analog input 0−3 V with respect to ADCLO  
Connect to analog ground  
Connect to analog ground if internal reference is used  
ADCREFIN  
22 k  
ADC External Current Bias Resistor ADCRESEXT  
2.2 μF(A)  
ADC Reference Positive Output  
ADC Reference Medium Output  
ADCREFP  
ADCREFM  
ADCREFP and ADCREFM should not  
be loaded by external circuitry  
2.2 μF(A)  
V
ADC Analog Power Pin (1.9 V/1.8 V)  
ADC Analog Power Pin (1.9 V/1.8 V)  
ADC Analog Ground Pin  
DD1A18  
V
DD2A18  
V
V
SS1AGND  
SS2AGND  
ADC Analog Ground Pin  
ADC Analog Power Pin (3.3 V)  
ADC Analog Ground Pin  
V
DDA2  
V
SSA2  
V
V
ADC Analog Power Pin (3.3 V)  
ADC Analog I/O Ground Pin  
DDAIO  
Reference I/O Power  
SSAIO  
A. TAIYO YUDEN LMK212BJ225MG-T or equivalent  
B. External decoupling capacitors are recommended on all power pins.  
C. Analog inputs must be driven from an operational amplifier that does not degrade the ADC performance.  
Figure 4-9. ADC Pin Connections With Internal Reference  
80  
Peripherals  
Copyright © 2007–2011, Texas Instruments Incorporated  
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Product Folder Link(s): TMS320F28335 TMS320F28334 TMS320F28332 TMS320F28235 TMS320F28234  
TMS320F28232