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SA5775AN Datasheet(PDF) 4 Page - NXP Semiconductors |
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SA5775AN Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 10 page Philips Semiconductors Product specification SA5775A Differential air-core meter driver 1999 Sep 20 4 Table 2. SA5775A Pin Descriptions for the D Package (Small Outline) Pin # Name Function 1. SIN– Negative output connection to the SIN coil of the gauge. 2. SIN+ Positive output connection to the SIN coil of the gauge. 3. NC No connect 4. NC No connect 5. NC No connect 6. AGND Ground for VIGN supply. Pins 6, 20 and 23 connected on the circuit board. 7. VIGN Analog supply. Nominally 14.0V. 8. DATAOUT Serial data output. Output of the internal shift register. When a new data word is shifted in, the old word is shifted out the DATAOUT pin. 9. DATAIN Serial data input. A new data word is serially shifted into the part on the rising edge of SCLK. The data is shifted in MSB first. 10. NC No connect 11. NC No connect 12. NC No connect 13. VCC 5 V logic supply. The internal latches and registers are set to zero on the rising edge of this signal. 14. OE Output drivers are turned off when this input is low. Current draw is minimized. 15. SCLK Serial clock input. Data is loaded into the part on the rising edge of SCLK. 16. CS Active high chip select input. When CS is high, the part is enabled to receive a new serial input word. The high-to-low transition of CS loads the new 10-bit word into the DAC registers and updates the output. 17. NC No connect 18. NC No connect 19. ST Status output from this IC to indicate that the outputs have been disabled. The outputs may be disabled due to shorted out- puts, over temperature conditions, power up reset, or output enable control pin. This output is an open drain output. Multiple status outputs may be wire OR’ed together. This output is low when the outputs are disabled due to a fault condition. 20. DGND Ground for VCC supply. Connect to Pins 6 and 23. 21. NC No connect 22. NC No connect 23. AGND Ground for VBB supply. Connect to Pins 6 and 20. 24. NC No connect 25. NC No connect 26. NC No connect 27. COS– Negative output connection to the COS coil of the gauge. 28. COS+ Positive output connection to the COS coil of the gauge. ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER RATING UNIT VIGN Analog supply -1 to +23 V VCC Digital supply -1 to +6 V DGND to AGND Ground difference -0.3 to +0.3 V VIN Digital input voltage, Data In, OE, CS, SCLK -1 to +7 V PD Power dissipation (TA = 25°C)1 D and N packages 1500 mW TA Ambient operating temperature –40 to +85 °C TJ Junction temperature 150 °C θJA DIP and SO packages 90 °C/W NOTE: 1. For power dissipation ratings in still air, derate above 25 °C at the following rates: D and N packages at 12mW/ °C |
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