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ML2280BIP Arkusz danych(PDF) 1 Page - Micro Linear Corporation |
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ML2280BIP Arkusz danych(HTML) 1 Page - Micro Linear Corporation |
1 / 20 page May 1997 ML2280*, ML2283** Serial I/O 8-Bit A/D Converters BLOCK DIAGRAM 1 GENERAL DESCRIPTION The ML2280 and ML2283 are 8-bit successive approximation A/D converters with serial I/O and configurable input multiplexers with up to 4 input channels. All errors of the sample-and-hold incorporated on the ML2280 and ML2283 are accounted for in the analog-to- digital converters accuracy specification. The voltage reference can be externally set to any value between GND and VCC, thus allowing a full conversion over a relatively small voltage span if desired. The ML2283 is an enhanced double polysilicon, CMOS, pin-compatible second source for the ADC0833 A/D converter. All parameters are guaranteed over temperature with a power supply voltage of 5V ±10%. FEATURES s Conversion time: 6µs s ML2280 capable of digitizing a 5V, 40kHz sine wave s Total unadjusted error with external reference: ±1/2LSB or ±1LSB s Sample-and-hold: 375ns acquisition s 0 to 5V analog input range with single 5V power supply s 2.5V reference provides 0 to 5V analog input range s No zero- or full-scale adjust required s Low power: 12.5mW MAX s Analog input protection: 25mA (min) per input s Differential analog voltage inputs (ML2280) s Programmable multiplexer with differential or single ended analog inputs (ML2283) s 0.3" width 8- or 14-pin DIP, or 8-Pin SOIC (ML2280) s Superior pin-compatible replacement for ADC0833 INPUT SHIFT-REGISTER OUTPUT SHIFT-REGISTER SHUNT REGULATOR CONTROL AND TIMING DI SARS CLK CS DO 4-BIT SE DGND V+ VCC VREF/2 AGND CH3 CH2 CH1 CH0 A/D CONVERTER WITH SAMPLE & HOLD FUNCTION 4-CHANNEL S.E. OR 2-CHANNEL DIFF MULTIPLEXER Σ VREF/2 CLK CS VIN– SUCCESSIVE APPROXIMATION REGISTER D/A CONVERTER + – OUTPUT SHIFT-REGISTER CONTROL AND TIMING COMP A/D WITH SAMPLE & HOLD FUNCTION 8pF 8pF – + VIN+ VCC GND DO ML2281 ML2283 * This Part Is Obsolete ** This Part Is End Of Life As Of August 1, 2000 |
Podobny numer części - ML2280BIP |
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Podobny opis - ML2280BIP |
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