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ADM1028ARQ Datasheet(PDF) 3 Page - Analog Devices |
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ADM1028ARQ Datasheet(HTML) 3 Page - Analog Devices |
3 / 16 page REV. A –3– ADM1028 Parameter Min Typ Max Unit Test Conditions SERIAL BUS TIMING 4 Clock Frequency, fSCLK 100 kHz See Figure 1 Bus Free Time, tBUF 4.7 µs See Figure 1 Start Setup Time, tSU;STA 4.7 µs See Figure 1 Start Hold Time, tHD;STA 4.0 µs See Figure 1 Stop Condition Setup Time, tSU;STO 4.0 µs See Figure 1 SCL Low Time, tLOW 4.7 µs See Figure 1 SCL High Time, tHIGH 4.0 µs See Figure 1 SCL, SDA Rise Time, tr 1000 ns See Figure 1 SCL, SDA Fall Time, tf 300 ns See Figure 1 Data Setup Time, tSU;DAT 250 ns See Figure 1 Data Hold Time, tHD;DAT 300 ns See Figure 1 NOTES 1Typicals are at T A = 25 °C and represent most likely parametric norm. Standby current typ is measured with V CC = 3.3 V. 2Timing specifications are tested at logic levels of V IL = 0.8 V for a falling edge and VIH = 2.2 V for a rising edge. 3I OH for FAN_OFF guaranteed by design, not production tested. 4Guaranteed by design, not production tested. Specifications subject to change without notice. ABSOLUTE MAXIMUM RATINGS* Positive Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . . 6.5 V Voltage on Digital Inputs Except Therm and D– . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +6.5 V Voltage on Therm Pin . . . . . . . . . . . . . . –0.3 V to VCC + 0.3 V Voltage on D– Pin . . . . . . . . . . . . . . . . . . . . –0.3 V to + 0.6 V Voltage on Any Other Input . . . . . . . . . . –0.3 V to VCC + 0.3 V or Output Pin Input Current at Any Pin . . . . . . . . . . . . . . . . . . . . . . . ±5 mA Package Input Current . . . . . . . . . . . . . . . . . . . . . . . ±20 mA Maximum Junction Temperature (TJ max) . . . . . . . . . . 150 °C Storage Temperature Range . . . . . . . . . . . . –65 °C to +150°C Lead Temperatures Soldering (10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 °C IR Reflow Peak Temperature . . . . . . . . . . . . . . . . . . . 220 °C ESD Rating (Human Body Model) . . . . . . . . . . . . . . . 4000 V *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: θJA = 105°C/W, θJC = 39°C/W ORDERING GUIDE Temperature Package Package Model Range Description Option ADM1028ARQ 0 °C to 100°C Shrink Small Outline RQ-16 Package (QSOP) P S tSU; DAT tHIGH tF tHD; DAT tR tLOW tSU; STO PS SCL SDA tBUF tHD; STA tHD; STA tSU; STA Figure 1. Serial Bus Timing Diagram |
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