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TMG49037 数据表(PDF) 10 Page - OSRAM GmbH |
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TMG49037 数据表(HTML) 10 Page - OSRAM GmbH |
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10 / 79 page ![]() ams Datasheet Page 9 [v1-01] 2019-Aug-20 Document Feedback TMG49037 − Electrical Characteristics Figure 10: Gesture and Proximity Operating Characteristics, VDD = 1.8 V, TA = 25ºC (unless otherwise noted) Note(s): 1. Offset varies with power supply characteristics and system noise. 2. Production tested result is the average of 5 readings expressed relative to a calibrated response. 3. Representative result by characterization. Device settings can vary from 1 to 64 pulse count, 4μs to 32μs pulse width, 10mA to 310mA current setting, and 1x to 8x electrical gain. Refer to Figure 21 for device performance with different settings. 4. Relative mismatch in the response between opposing channels. 5. Production tested result is the standard deviation of 20 readings as a percentage of full scale response. Parameter Conditions Min Typ Max Unit ADC conversion time step size 20 μs Offset (no target response) (1) PGAIN = 2 (4x) PGLDRIVE = 7 (150mA) PGPULSE_LEN = 1 (8 μs) No target present After electrical calibration 16 36 counts Part to part variation (2) PGAIN = 2 (4x) PGLDRIVE = 1 (30mA) PGPULSE_LEN = 1 (8 μs) d=23mm round target 30mm target distance After electrical calibration 75 100 125 % Response, absolute (3) PGAIN = 2 (4x) PGLDRIVE = 7 (150mA) PGPULSE_LEN = 1 (8 μs) 100x100mm, 90% reflective Kodak gray card 100mm target distance After electrical calibration 670 840 1010 counts Photodiode relative deviation, north and south channels (4) -25 25 % Photodiode relative deviation, east and west channels (4) -25 25 Noise/Signal (5) PGAIN = 2 (4x) PGLDRIVE = 2 (50mA) PGPULSE_LEN = 1 (8 μs) PGPULSE = 7 (8 pulses) 2% |
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