PCM55 BURR-BROWN [Burr-Brown Corporation], PCM55 Datasheet
PCM55
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PCM55 Summary of contents
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... A current output (I output typically settles to within 0.006% of FSR final value in 350ns (in response to a full-scale change in the digital input code). The PCM54 is packaged in 28-pin plastic DIP pack- age. The PCM55 is available in a 24-lead plastic mini- flatpak. Reference Voltage R F 16-Bit Ladder ...
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... No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN product for use in life support devices and/or systems. ® PCM54/55 PCM54HP, PCM55HP PCM54JP, PCM55JP MIN TYP MAX MIN ...
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... BPO + MSB Adjust –V CC ABSOLUTE MAXIMUM RATINGS DC Supply Voltage ...................................................................... 18VDC Input Logic Voltage ............................................................... –1V to +5.5V Power Dissipation .................................. PCM54 800mW, PCM55 400mW PACKAGE DRAWING Storage Temperature ...................................................... – +100 C (1) NUMBER Lead Temperature, (soldering, 10s) .............................................. +300 C 215 215 215 ORDERING INFORMATION 178 ...
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... DLE at bipolar zero (at the “major carry”) can result in (+FSR/2) –1LSB audible crossover distortion for low level output signals. Initial DLE on the PCM54 and PCM55 is factory-trimmed to typically 0.001% of FSR. This error is adjustable to zero using the circuit shown in the connection diagram (PCM54 only) ...
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... Most of the offset and gain drift with temperature or time is due to the drift of the internal reference zener diode. The PCM54 and PCM55 are designed so that these drifts are in opposite directions so that the bipolar zero voltage is virtually unaffected by variations in the reference voltage ...
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... MSB ERROR ADJUSTMENT PROCEDURE (OPTIONAL) The MSB error of the PCM54 and PCM55 can be adjusted to make the differential linearity error (DLE) at BPZ essen- tially zero. This is important when the signal output levels are very low because zero crossing noise (DLE at BPZ) becomes very significant when compared to the small code changes occurring in the LSB portion of the converter ...
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INSTALLATION CONSIDERATIONS If the optional external MSB error circuitry is used (PCM54), a potentiometer with adequate resolution and a TCR of 100ppm less is required. Also, extra care must be taken to insure that no leakage path (either ...