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WM2618CD Datasheet(PDF) 2 Page - Wolfson Microelectronics plc |
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WM2618CD Datasheet(HTML) 2 Page - Wolfson Microelectronics plc |
2 / 10 page WM2618 Production Data WOLFSON MICROELECTRONICS LTD PD Rev 1.1 October 2000 2 PIN CONFIGURATION 1 2 3 4 NCS DIN SCLK AGND REFIN OUTB VDD OUTA 5 6 7 8 PIN DESCRIPTION PIN NO NAME TYPE DESCRIPTION 1 DIN Digital input Serial data input. 2 SCLK Digital input Serial clock input. 3 NCS Digital input Chip select. This pin is active low. 4 OUTA Analogue output DAC A analogue output. 5 AGND Supply Analogue ground. 6 REFIN Analogue input Voltage reference input. 7 OUTB Analogue output DAC B analogue output 8 VDD Supply Positive power supply. ABSOLUTE MAXIMUM RATINGS Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at or beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical Characteristics at the test conditions specified ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptible to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage of this device. CONDITION MIN MAX Supply voltage, VDD to AGND 7V Digital input voltage -0.3V VDD + 0.3V Reference input voltage -0.3V VDD + 0.3V Operating temperature range, TA WM2618C WM2618I 0 °C -40 °C 70 °C 85 °C Storage temperature -65 °C 150 °C Lead temperature 1.6mm (1/16 inch) soldering for 10 seconds 260 °C RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Supply voltage VDD 2.7 5.5 V High-level digital input voltage VIH 2V Low-level digital input voltage VIL 0.8 V Reference voltage to REFIN VREF VDD - 1.5 V Load resistance RL 2k Ω Load capacitance CL 100 Serial clock rate fSCLK 20 WM2618C 0 70 °C Operating free-air temperature TA WM2618I -40 85 °C Note: Reference voltages greater than VDD/2 will cause saturation for large DAC codes. |
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