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ADC0803-1CN Datasheet(PDF) 2 Page - NXP Semiconductors |
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ADC0803-1CN Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 18 page Philips Semiconductors Product data ADC0803/0804 CMOS 8-bit A/D converters 2 2002 Oct 17 DESCRIPTION The ADC0803 family is a series of three CMOS 8-bit successive approximation A/D converters using a resistive ladder and capacitive array together with an auto-zero comparator. These converters are designed to operate with microprocessor-controlled buses using a minimum of external circuitry. The 3-State output data lines can be connected directly to the data bus. The differential analog voltage input allows for increased common-mode rejection and provides a means to adjust the zero-scale offset. Additionally, the voltage reference input provides a means of encoding small analog voltages to the full 8 bits of resolution. FEATURES • Compatible with most microprocessors • Differential inputs • 3-State outputs • Logic levels TTL and MOS compatible • Can be used with internal or external clock • Analog input range 0 V to V CC • Single 5 V supply • Guaranteed specification with 1 MHz clock PIN CONFIGURATION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 20 19 18 17 16 15 D, N PACKAGES CS RD WR INTR CLK IN VIN(+) VIN(–) A GND VREF/2 D GND VCC CLK R D0 D1 D2 D3 D4 D5 D6 D7 TOP VIEW SL00016 Figure 1. Pin configuration APPLICATIONS • Transducer-to-microprocessor interface • Digital thermometer • Digitally-controlled thermostat • Microprocessor-based monitoring and control systems ORDERING INFORMATION DESCRIPTION TEMPERATURE RANGE ORDER CODE TOPSIDE MARKING DWG # 20-pin plastic small outline (SO) package 0 to 70 °C ADC0803CD, ADC0804CD ADC0803-1CD, ADC0804-1CD SOT163-1 20-pin plastic small outline (SO) package –40 to 85 °C ADC0803LCD, ADC0804LCD ADC0803-1LCD, ADC0804-1LCD SOT163-1 20-pin plastic dual in-line package (DIP) 0 to 70 °C ADC0803CN, ADC0804CN ADC0803-1CN, ADC0804-1CN SOT146-1 20-pin plastic dual in-line package (DIP) –40 to +85 °C ADC0803LCN, ADC0804LCN ADC0803-1LCN, ADC0804-1LCN SOT146-1 ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER CONDITIONS RATING UNIT VCC Supply voltage 6.5 V Logic control input voltages –0.3 to +16 V All other input voltages –0.3 to (VCC +0.3) V Tamb Operating temperature range ADC0803LCD/ADC0804LCD –40 to +85 °C ADC0803LCN/ADC0804LCN –40 to +85 °C ADC0803CD/ADC0804CD 0 to +70 °C ADC0803CN/ADC0804CN 0 to +70 °C Tstg Storage temperature –65 to +150 °C Tsld Lead soldering temperature (10 seconds) 230 °C PD Maximum power dissipation1 Tamb = 25 °C (still air) N package 1690 mW D package 1390 mW NOTE: 1. Derate above 25 °C, at the following rates: N package at 13.5 mW/°C; D package at 11.1 mW/°C. |
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