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DAC1006LCN Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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DAC1006LCN Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
1 / 22 page TLH5688 January 1995 DAC1006DAC1007DAC1008 mP Compatible Double-Buffered D to A Converters General Description The DAC100678 are advanced CMOSSi-Cr 10- 9- and 8-bit accurate multiplying DACs which are designed to inter- face directly with the 8080 8048 8085 Z-80 and other pop- ular microprocessors These DACs appear as a memory lo- cation or an IO port to the mP and no interfacing logic is needed These devices combined with an external amplifier and voltage reference can be used as standard DA converters and they are very attractive for multiplying applications (such as digitally controlled gain blocks) since their linearity error is essentially independent of the voltage reference They become equally attractive in audio signal processing equipment as audio gain controls or as programmable at- tenuators which marry high quality audio signal processing to digitally based systems under microprocessor control All of these DACs are double buffered They can load all 10 bits or two 8-bit bytes and the data format is left justified The analog section of these DACs is essentially the same as that of the DAC1020 The DAC1006 series are the 10-bit members of a family of microprocessor-compatible DAC’s (MICRO-DACTM’s) For applications requiring other resolutions the DAC0830 series (8 bits) and the DAC1208 and DAC1230 (12 bits) are avail- able alternatives Part Accuracy Pin Description (bits) DAC1006 10 For left- DAC1007 9 20 justified DAC1008 8 data MICRO-DACTM and BI-FETTM are trademarks of National Semiconductor Corp Features Y Uses easy to adjust END POINT specs NOT BEST STRAIGHT LINE FIT Y Low power consumption Y Direct interface to all popular microprocessors Y Integrated thin film on CMOS structure Y Double-buffered single-buffered or flow through digital data inputs Y Loads two 8-bit bytes or a single 10-bit word Y Logic inputs which meet TTL voltage level specs (14V logic threshold) Y Works with g10V referencefull 4-quadrant multiplica- tion Y Operates STAND ALONE (without mP) if desired Y Available in 03 standard 20-pin package Y Differential non-linearity selection available as special order Key Specifications Y Output Current Settling Time 500 ns Y Resolution 10 bits Y Linearity 10 9 and 8 bits (guaranteed over temp) Y Gain Tempco b 00003% of FS C Y Low Power Dissipation 20 mW (including ladder) Y Single Power Supply 5 to 15 VDC Typical Application DAC100610071008 NOTE FOR DETAILS OF BUS CONNECTION SEE SECTION 60 TLH5688 – 1 C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
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