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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  
www.ti.com  
SPRS439IJUNE 2007REVISED MARCH 2011  
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 1.500, 1.024, or 2.048-V precision source(D)  
ADCREFIN  
22 k  
ADC External Current Bias Resistor ADCRESEXT  
2.2 μF(A)  
2.2 μF(A)  
ADC Reference Positive Output  
ADC Reference Medium Output  
ADCREFP  
ADCREFM  
ADCREFP and ADCREFM should not  
be loaded by external circuitry  
VDD1A18  
VDD2A18  
VSS1AGND  
VSS2AGND  
ADC Analog Power Pin (1.9 V/1.8 V)  
ADC Analog Power Pin (1.9 V/1.8 V)  
ADC Analog Ground Pin  
ADC Analog Ground Pin  
VDDA2  
VSSA2  
ADC Analog Power Pin (3.3 V)  
ADC Analog Ground Pin  
VDDAIO  
VSSAIO  
ADC Analog Power Pin (3.3 V)  
ADC Analog I/O Ground Pin  
Reference I/O Power  
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.  
D. External voltage on ADCREFIN is enabled by changing bits 15:14 in the ADC Reference Select register depending on  
the voltage used on this pin. TI recommends TI part REF3020 or equivalent for 2.048-V generation. Overall gain  
accuracy will be determined by accuracy of this voltage source.  
Figure 4-10. ADC Pin Connections With External Reference  
NOTE  
The temperature rating of any recommended component must match the rating of the end  
product.  
Copyright © 2007–2011, Texas Instruments Incorporated  
Peripherals  
81  
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Product Folder Link(s): TMS320F28335 TMS320F28334 TMS320F28332 TMS320F28235 TMS320F28234  
TMS320F28232