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ADM1021 Datenblatt(PDF) 3 Page - Analog Devices |
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ADM1021 Datenblatt(HTML) 3 Page - Analog Devices |
3 / 12 page ADM1021 –3– REV. 0 ABSOLUTE MAXIMUM RATINGS* Positive Supply Voltage (VDD) to GND . . . . . . . –0.3 V to +6 V D+, ADD0, ADD1 . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V D– to GND . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.6 V SCLK, SDATA, ALERT, STBY . . . . . . . . . . . . –0.3 V to +6 V Input Current, SDATA . . . . . . . . . . . . . . . . –1 mA to +50 mA Input Current, D– . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1 mA ESD Rating, all pins (Human Body Model) . . . . . . . . 2000 V Continuous Power Dissipation Up to +70 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650 mW Derating above +70 °C . . . . . . . . . . . . . . . . . . . . 6.7 mW/°C Operating Temperature Range . . . . . . . . . . –55 °C to +125°C Maximum Junction Temperature (TJ max) . . . . . . . . . +150 °C Storage Temperature Range . . . . . . . . . . . . –65 °C to +150°C Lead Temperature, Soldering Vapor Phase 60 sec . . . . . . . . . . . . . . . . . . . . . . . . . +215 °C Infrared 15 sec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +200 °C *Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. THERMAL CHARACTERISTICS 16-Lead QSOP Package: θ JA = 150 °C/Watt. ORDERING GUIDE Temperature Package Package Model Range Description Option ADM1021ARQ 0 °C to +85°C 16-Lead QSOP RQ-16 PIN FUNCTION DESCRIPTIONS Pin No. Mnemonic Description 1, 16 TEST Test pin for factory use only. See note. 2VDD Positive supply, +3 V to +5.5 V. 3 D+ Positive connection to remote tem- perature sensor. 4 D– Negative connection to remote tem- perature sensor. 5, 9, 13 NC No Connect. 6 ADD1 Three-state logic input, higher bit of device address. 7, 8 GND Supply 0 V connection. 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. 14 SCLK Logic input, SMBus serial clock. 15 STBY Logic input selecting normal opera- tion (high) or standby mode (low). NOTE Pins 1 and 16 are reserved for test purposes. Ideally these pins should be left unconnected. If routing through these pins is required, then both should be at the same potential (i.e., connected together). PIN CONFIGURATION TOP VIEW (Not to Scale) 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 NC = NO CONNECT TEST VDD D+ D– NC ADD1 GND GND TEST STBY SCLK NC SDATA ALERT ADD0 NC ADM1021 PROTOCOL START CONDITION (S) BIT 7 MSB (A7) BIT 6 (A6) SCL SDA PROTOCOL SCL SDA tLOW tHIGH 1/fSCL tR tF BIT 0 LSB (R/ W) ACKNOWLEDGE (A) STOP CONDITION (P) Figure 1. Diagram for Serial Bus Timing |
Ähnliche Teilenummer - ADM1021 |
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Ähnliche Beschreibung - ADM1021 |
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