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ADM1021A bảng dữ liệu(PDF) 3 Page - ON Semiconductor |
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ADM1021A bảng dữ liệu(HTML) 3 Page - ON Semiconductor |
3 / 15 page ADM1021A http://onsemi.com 3 PIN ASSIGNMENT Pin No. Mnemonic Description 1 NC No Connect. 2 VDD Positive Supply, 3.0 V to 5.5 V. 3 D+ Positive Connection to Remote Temperature Sensor. 4 D− Negative Connection to Remote Temperature Sensor. 5 NC No Connect. 6 ADD1 Three−State Logic Input, Higher Bit of Device Address. 7 GND Supply 0 V Connection. 8 GND Supply 0 V Connection. 9 NC No Connect. 10 ADD0 Three−State Logic Input, Lower Bit of Device Address. 11 ALERT Open−Drain Logic Output Used as Interrupt or SMBus ALERT. 12 SDATA Logic Input/Output, SMBus Serial Data. Open−drain output. 13 NC No Connect. 14 SCLK Logic Input, SMBus Serial Clock. 15 STBY Logic Input Selecting Normal Operation (High) or Standby Mode (Low). 16 NC No Connect. ELECTRICAL CHARACTERISTICS (TA = TMIN to TMAX, VDD = 3.0 V to 3.6 V, unless otherwise noted. (Note 1) Parameter Test Conditions / Comments Min Typ Max Unit Power Supply and ADC Temperature Resolution Guaranteed no missed codes 1.0 °C Temperature Error, Local Sensor −3.0 ±1.0 +3.0 °C Temperature Error, Remote Sensor TA = 60°C to 100°C −3.0 −5.0 +3.0 +5.0 °C Supply Voltage Range (Note 2) 3.0 3.6 V Undervoltage Lockout Threshold VDD input, disables ADC, rising edge 2.5 2.7 2.95 V Undervoltage Lockout Hysteresis 25 mV Power−On Reset Threshold VDD, falling edge (Note 3) 0.9 1.7 2.2 V POR Threshold Hysteresis 50 mV Standby Supply Current VDD = 3.3 V, no SMBus activity SCLK at 10 kHz 1.0 4.0 5.0 mA Average Operating Supply Current 0.25 conversions/sec rate 130 200 mA Auto−convert Mode, Averaged Over 4 Sec 2 conversions/sec rate 225 370 mA Conversion Time From stop bit to conversion complete (both channels) D+ forced to D− + 0.65 V 65 115 170 ms Remote Sensor Source Current High level (Note 3) Low level (Note 3) 120 7.0 205 12 300 16 mA D− Source Voltage 0.7 V Address Pin Bias Current (ADD0, ADD1) Momentary at power−on reset 50 mA |
Số phần tương tự - ADM1021A |
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Mô tả tương tự - ADM1021A |
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