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ADC0808CCN Folha de dados(PDF) 1 Page - Micro Linear Corporation |
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ADC0808CCN Folha de dados(HTML) 1 Page - Micro Linear Corporation |
1 / 12 page May 1997 ML2258* µP Compatible 8-Bit A/D Converter with 8-Channel Multiplexer 1 GENERAL DESCRIPTION The ML2258 combines an 8-bit A/D converter, 8-channel analog multiplexer, and a microprocessor compatible 8- bit parallel interface and control logic in a single monolithic device. Easy interface to microprocessors is provided by the latched and decoded multiplexer address inputs and latched three-state outputs. The device is suitable for a wide range of applications from process and machine control to consumer, automotive, and telecommunication applications. The ML2258 is an enhanced, pin-compatible, second source for the industry standard ADC0808/ADC0809. The ML2258 enhancements are faster conversion time, true sample and hold function, superior power supply rejection, wider reference range, and a double buffered data bus as well as faster digital timing. All parameters are guaranteed over temperature with a power supply voltage of 5V ±10%. FEATURES s Conversion time 6.6µs s Total unadjusted error ±1/2LSB or ±1LSB s No missing codes s Sample and hold 390ns acquisition s Capable of digitizing a 5V, 50kHz sine wave s 8-input multiplexer s 0V to 5V analog input range with single 5V power supply s Operates ratiometrically or with up to 5V voltage reference s No zero-or full-scale adjust required s Analog input protection 25mA per input min s Low power dissipation 3mA max s TTL and CMOS compatible digital inputs and outputs s Standard 28-pin DIP or surface mount PCC s Superior pin compatible replacement for ADC0808 and ADC0809 * Some Packages Are End Of Life As Of August 1, 2000 BLOCK DIAGRAM COMPARATOR A/D WITH SAMPLE HOLD CONTROL & TIMING S.A.R. SWITCH TREE THREE STATE OUTPUT LATCH BUFFER DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 OUTPUT ENABLE –VREF +VREF GND VCC CAPACITOR/ RESISTOR ARRAY ADDRESS LATCH AND DECODER ADDR0 ADDR1 ADDR2 ADDRESS LATCH ENABLE IN7 IN6 IN0 IN1 IN2 IN3 IN4 IN5 8-CHANNEL MULTIPLEXER START CLOCK END OF CONVERSION (INTERRUPT) |
Nº de peça semelhante - ADC0808CCN |
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Descrição semelhante - ADC0808CCN |
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