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SA5775A Datasheet(PDF) 5 Page - NXP Semiconductors |
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SA5775A Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 10 page Philips Semiconductors Product specification SA5775A Differential air-core meter driver 1999 Sep 20 5 DC ELECTRICAL CHARACTERISTICS VIGN = 7.5 to 18 V; VCC = 4.5 to 5.5 V; TA = –40 to +85°C. SYMBOL PARAMETER TEST CONDITIONS LIMITS UNIT SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIGN Ignition supply voltage 7.5 18 V IIGN Ignition supply current VIGN = 18 V no load VBB = 18 V with load RLC, RLS = RLMIN1,2 25 160 mA ICC Logic supply current VCC = 5.5 V 1 mA VOH Output high voltage Data out IOH = 300 µA VCC – 0.8 VOL Output low voltage Data out IOL = 1.5 mA 0.4 V VOL Status IOL = 2.8 mA 0.8 V IOH Status ST, VCC = 5 V 25 µA VIH Input high voltage CS, SCLK, DATAIN 0.7 x VCC V VIL Input low voltage CS, SCLK, DATAIN 0.3 x VCC V IIH Input high current CS, SCLK, DATAIN, VIN = 0.7 x VCC 10 µA IIL Input low current CS, SCLK, DATAIN, VIN = 0.3 x VCC 10 µA ACC Output function accuracy3 RLC, RLS = RLMIN –0.5 0.5 Degree ISD Output shut-down current COS+, COS–, SIN+, SIN– ISINK VIGN = VIGN (MAX) VIGN = VIGN (MIN) ISOURCE VIGN = VIGN (MAX) VIGN = VIGN (MIN) 97 43 85 43 500 300 500 300 mA mA mA mA VDRIVE Coil drive voltage VIGN = VIGN (MAX) VIGN = VIGN (MIN) 68 78 %VIGN RLMIN Minimum load resistance TA = 85°C TA = 25°C TA = –40°C 215 171 138 Ω Ω Ω NOTE: 1. See Test Circuit. 2. Maximum current is when output is 45 degrees; TA = –40°C, and RL = 138 Ω. 3. See Table “Output function accuracy” Table 3. Output function accuracy Ideal Nominal Input Code 0 0.176 0 45 45.176 128 90 90.176 256 135 135.176 384 180 180.176 512 225 225.176 640 270 270.176 768 360 359.820 1023 N = Binary Input Code Equation for Output Angle ( θ) vs Output Voltage Quadrant Equation I θ = tan–1 | [(SIN+) – (SIN–)] / [(COS+) – (COS–)] | II θ = 180° +tan–1 | [(SIN+) – (SIN–)] / [(COS+) – (COS–)] | III θ = 180° +tan–1 | [(SIN+) – (SIN–)] / [(COS+) – (COS–)] | IV θ = 360° +tan–1 | [(SIN+) – (SIN–)] / [(COS+) – (COS–)] | |
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