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MAS6505 数据表(PDF) 5 Page - Micro Analog systems |
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MAS6505 数据表(HTML) 5 Page - Micro Analog systems |
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5 / 44 page ![]() DA6505.005 11 June 2018 5 (44) ELECTRICAL CHARACTERISTICS TA = -40 oC to +90oC, VDD = 1.71V to 5.5V, Typ TA = 25°C, Typ VDD = VDDIO = 1.8 V, Typ VDDS = 1.68 V, RSENSOR = 6k unless otherwise noted Parameter Symbol Conditions Min Typ Max Unit Sensor Input Noise Resolution in Pressure Measurement VN_IN_P VIN=0V GAINP=14.9 (23.5dB) OSRP = ¼ OSRP = ½ OSRP = 1 OSRP = 2 OSRP = 4 OSRP = 8 OSRP = 16, note 1 3.7 (14.6) 2.6 (15.1) 1.8 (15.7) 1.2 (16.3) 0.84 (16.8) 0.63 (17.2) 0.44 (17.7) µVRMS (bit) VIN=0V GAINP=55.8 (34.9dB) OSRP = ¼ OSRP = ½ OSRP = 1 OSRP = 2 OSRP = 4 OSRP = 8 OSRP = 16, note 1 2.3 (13.4) 1.5 (14) 0.98 (14.6) 0.72 (15.1) 0.52 (15.6) 0.36 (16.1) 0.27 (16.5) µVRMS (bit) Sensor Input Noise Resolution in Sensor Bridge Temperature Measurement VN_IN_TR GAINT=14.9 (23.5dB) OSRT = ¼ OSRT = ½ OSRT = 1 OSRT = 2 OSRT = 4 OSRT = 8 OSRT = 16, note 1 6.3 (13.9) 5.3 (14.1) 4.4 (14.4) 3.6 (14.7) 3 (14.9) 2.5 (15.2) 2.1 (15.4) µVRMS (bit) Sensor Input Noise Resolution in External Diode Temperature Measurement VN_IN_TD GAINT=1 (0dB), SGNGAINT=1 OSRT%= -28% OSRT = ¼ OSRT = ½ OSRT = 1 OSRT = 2 OSRT = 4 OSRT = 8 OSRT = 16, notes 1 and 2 46 (14.9) 35.2 (15.3) 26.9 (15.7) 20.5 (16.1) 15.6 (16.5) 11.9 (16.8) 9.1 (17.2) µVRMS (bit) Note 1. Resolution in bits is calculated as follows: VN_[bit] = log(1400mV / GAINx / VN)/log(2) when VN is the RMS noise voltage at the input and x=P or T. Note 2. To avoid signal clipping GAINT=1, SGNGAINT=1 and OFST%= -28% settings must be used in external diode temperature measurement . |
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