DAC-8228æ ̄ä ̧æ¬3/4åè ̄çå1/4åéé8ä1/2çμåè3/4åºCMOS D/Aè1/2¬æ¢å ̈ãè®3/4计ç ̈äºå®è£ äºAD7528/7628æå£ä¹ä ̧ï1/4å ̈硬ç驱å ̈å ̈çåºç ̈ä ̧æ éä1/2¿ç ̈ä ̧¤ä ̧ªå¤é ̈è¿ç®æ3/4大å ̈ãä ̧è¬æ åμä ̧ï1/4è¿äºåºç ̈以ºç ̈äºVالرقم المرجعي çé¶ä1/4ç¹çμåæ¥é©±å ̈AD7528/7628ï1/4并å°AGNDåç1/2®è³+2.5Væ+5VãDAC-8228å·²éè¿è¿äºæ¡ä»¶çæμè ̄ã
DAC-8228ä¹å ̄ç ̈äºè¦æ±åææ§è3/4åºçμåçåºç ̈ãå ¶è3/4åºçμååå'ä ̧º0Vè³+10Vï1/4Vدد= + 14Vï1 / 4æ大è3 / 4åºçμåä ̧ºVدد-4Vï1/4ãDAC-8228çåºåè3/4å ¥å ̄以æ¥0Vè³-10Vçè'çμåï1/4DACçå é ̈åä1/2å¢çå ̧æ3/4大å ̈ä1/2¿è3/4å ¥ä¿¡å·åç ̧ï1/4ãå ̄¹äºåæ§åºç ̈ï1/4è ̄·éæ©DAC - 8229ã
DAC8228éç ̈CerDIPåå¡å°å°è£ ï1/4å·¥å1/2æ ̧©åº¦èå'ä ̧º-40°è³+85°Cæ©å±å·¥ä ̧æ ̧©åº¦èå'ãè¦æ±åç ̈æ ̧©åº¦èå'çåºç ̈é¡»ä1/2¿ç ̈DAC-8229ãä ̧ºäºä1/2¿DAC-8228å ̈å1/4èååè1/2ä ̧å 1/4容ï1/4AGND AåAGND Båºè¿æ¥ ̈ä ̧èμ·ä»¥å
å1 / 2 فولتZï1/4并å°VSSè¿æ¥è³GNDã
DAC-8228ç±2ä ̧ªCMOSçμåè3/4åºæ3/4大å ̈ã2ä ̧ªé«ç²3/4度R-2Rçμé»æ¢ ̄å1/2¢ç1/2ç»ã楥£æ§å¶é»è3/4å2ä ̧ª8ä1/2å ̄åå ̈ææãä ̧ªå é ̈è°èå ̈åå ̄å ̈æ'ä ̧ªVددèå'å ç»'æTTLé»è3/4å 1/4容æ§åå¿«éå3/4®å¤çå ̈楥æ¶åºæ§è1/2ã
DAC-8228åèä» ä ̧º90mWï1 / 4éç ̈20å1 / 4è0.3 " DIPå ° è £ æ20å1 / 4è SOè¡ ̈è '' å ° è£ ï1 / 4æå©äºè空é'ãå ° ºå ̄ ̧å ° ãåèä1 / 2Ééææ ¬ä1 / 2çç¹ §ä1/2¿å ¶æä ̧ºéç ̈å¤ä ̧ªD / Aè1/2¬æ¢å ̈èåä ̧çºç²çμè· ̄æ¿ç©ºé'çåºç ̈ççæ³ä¹éãé ̈件æ°Éåå°Åä¹æå©äºæå³»ç»å ̄é æ§ã
å©ç ̈PMIå è¿çæ°§åç©é离ãç¡ é ̈æCMOSå·¥èºï1/4å ä ̧é«åº¦ç ̈³å®çèèçμé»æ¢ ̄å1/2¢ç1/2ç»ï1/4ä1/2¿DAC-8228å ·æåºè²çDACé'å¹é åæ ̧©åº¦è·è ̧ªè1/2åã