sa5778 NXP Semiconductors, sa5778 Datasheet
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sa5778 Summary of contents
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... SA5778 Serial triple gauge driver (STGD) Product specification Supersedes data of 1997 May 27 IC18 Data Handbook Philips Semiconductors INTEGRATED CIRCUITS 1998 Apr 03 ...
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... SR 9-BIT DATA 9-BIT DATA 10-BIT DATA LATCH LATCH LATCH 7-BIT 7-BIT Tan Tan DAC DAC MUX MUX Figure 2. STGD Internal Block Diagram 2 Product specification SA5778 10-BIT SR DATA OUT 4-BIT STATUS ST LATCH 7–BIT, SINE /COSINE DAC MUX SR01117 853–2055 19199 ...
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... MSB first. CLK pin and output data on the DATA pin. A low to high transition of CS captures device status in out See Thermal Management Section 3 Product specification SA5778 ORDER CODE DWG # SA5778D SOT136-1 supply via an external PNP BATT RATING UNIT 40 V – –1 to +24 V – ...
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... I (Source or Sink) 0.475 LMIN BATT TEST CONDITION TEST CONDITION MIN 625 T CYC 175 175 0.8 to 3.6V 90pF L 3.6 to 0.8V 90pF L 4 Product specification SA5778 LIMITS UNITS UNITS TYP MAX 0.5 ma 400 0.4 V 1 ...
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... Hence, all gauges, both major and minor, are supplied with 10-bit data for consistency. 5 Product specification SA5778 4 360 MAJOR GAUGE 2 112 MINOR GAUGE 2 RUN IGNITION V BATT SR01118 SA5778 SERIAL TRIPLE GAUGE DRIVER DATA IN S CLK CS DATA OUT ST ADDITIONAL GAUGE DRIVER(S), DATA IN SA5775A, SA5777A OR ...
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... Normal operation of a vehicle will follow the sequence of the truth table from top to bottom. The RUN input is typically connected to the switched ignition voltage, while GOE is controlled by the microcontroller. 6 Product specification SA5778 ...
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... Power dissipation will be lower when air core meter movements with higher nominal coil resistance are used. 7 Product specification SA5778 System Status Standby mode Start up mode, sets minor gauge driver to zero position, and disables major gauge driver ...
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... It is recommended that the copper areas intended for heat dissipation be left covered with solder mask or otherwise blackened to increase the emissivity, thereby improving the heat radiating ability of the board. 8 Product specification SA5778 125 150 175 235 325 LOAD RESISTANCE ...
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... PCB COPPER HEAT SINK AREA (SQ mm) Figure 8. for SO28 with 8 Fused Pins JA = 105 1.4–1.8W amb 1000 1500 2000 PCB COPPER HEAT SINK AREA (SQ mm) Figure 9. for SO28 with 8 Fused Pins JA = 105 1.4–1.8W amb 9 Product specification SA5778 3000 3500 SR01497 2500 3000 SR01498 ...
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... CYC SCLKL 30 CLOCK CYCLES D1* Figure 10. Serial Interface Timing 10 Product specification SA5778 2 is required on each side while input data is captured on CLK . Major gauge data is loaded first, starting CLK t CSL 30 t SCLKH D0* D0* SR01499 ...
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... D28: Minor Gauge Over Current Over Current Shutdown 0 = Normal operation D29: Major Gauge Over Current Over Current Shutdown 0 = Normal operation Figure 11. Internal Shift Register SIN 383 511 639 INPUT CODE SWBATT 11 Product specification SA5778 MAJOR GAUGE/STATUS DATA OUT MSB SR01123 767 895 1023 SR01500 = 14V) ...
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... INPUT CODE SWBATT 0.744 x V SWBATT IDEAL ANGLE(DEGREE)=CODE/319*2* ArcTan (0.744/0.5)–ArcTan(0.744/0.5) Figure 14. Minor Gauge Total Span 12 Product specification SA5778 255 287 319 SL00462 = 14V) SWBATT ASSUMING CODE CODE POSITION 0 –56.097 31 –45.194 63 – ...
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... Serial triple gauge driver (STGD) 120 100 Figure 15. Meter Position (degrees) vs. Input Code for Minor Gauges 1998 Apr 03 95 111 127 143 159 175 191 207 INPUT CODE 13 Product specification SA5778 223 239 255 271 287 303 319 SL00464 ...
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... Philips Semiconductors Serial triple gauge driver (STGD) SO28: plastic small outline package; 28 leads; body width 7.5mm 1998 Apr 03 14 Product specification SA5778 SOT136-1 ...
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... Philips Semiconductors Serial triple gauge driver (STGD) 1998 Apr 03 NOTES 15 Product specification SA5778 ...
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... Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088–3409 Telephone 800-234-7381 Philips Semiconductors 1998 Apr 03 [1] Copyright Philips Electronics North America Corporation 1998 Document order number: 16 Product specification SA5778 All rights reserved. Printed in U.S.A. Date of release: 04–98 9397 750 03715 ...