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LTM2887 Datasheet(PDF) 4 Page - Analog Devices |
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LTM2887 Datasheet(HTML) 4 Page - Analog Devices |
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4 / 30 page  LTM2810 4 Rev. A For more information www.analog.com ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS I2C – SCL, SCL2, SDA, SDA2 (LTM2810-I) (VL = VL or VL2) VITH Input Threshold Voltage 3V ≤ VL ≤ 5.5V l 0.3 • VL 0.7 • VL V VHYS Input Hysteresis 3V ≤ VL ≤ 5.5V 0.05 • VL V IIN Input Current l 0 ±5 µA VO Output Voltage SCL2, ILOAD = 2mA, 3V ≤ VL ≤ 5.5V l 0.4 VL – 0.4 V VOL Output Low Voltage SDA, ILOAD = 3mA SDA2 = No Load, SDA = 0V, 4.5V ≤ VL < 5.5V SDA2 = No Load, SDA = 0V, 3V ≤ VL < 4.5V l l l 0.3 0.4 0.45 0.55 V V V SDA, SDA2 Slew Rate l 1 V/µs ISC Short-Circuit Current SDA2 = 0, SDA = VL 0V ≤ SCL2 ≤ VL SDA = 0, SDA2 = VL SDA = VL, SDA2 = 0 l ±30 6 –1.8 100 mA mA mA mA ESD (HBM) (Note 2) Isolation Boundary (VIN, VL2, GND2) to (PVCC, VCC, VL, GND) in Any Combination ±25 kV SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Driver – ST1, ST2 Drive Frequency 2 MHz Duty Cycle 49 50 51 % Power Supply Generator VL2 Supply Start-Up Time VIN to VL2 > 4.75V 50 ms Logic Timing Maximum Data Rate Input Output, CL = 15pF (Note 3) Bidirectional SPI Communication Unidirectional SPI Communication l l l 10 4 8 MHz MHz MHz tPHL, tPLH Propagation Delay Input Output, CL = 15pF (Figure 1) l 30 45 100 ns tPZH, tPZL DO1, O1 Enable Time (Figure 2) xO1E = to xO1 High, RPD = 1kΩ, xI1 = High l 50 ns ONx Enable Time (Figure 4) ONx = to xOx High, RPD = 1kΩ, xIx = High l 60 μs tPHZ, tPLZ DO1, O1 Disable Time (Figure 2) xO1E = to xO1 Low, RPD = 1kΩ, xI1 = High l 50 ns ONx Disable Time (Figure 4) ONx = to xOx Low, RPD = 1kΩ, xIx = High l 100 ns I2C Timing Maximum Data Rate (Note 3) l 400 kHz tPHL, tPLH Propagation Delay (Figure 3) SCL SCL2 SDA SDA2 SDA2 SDA, RPU = 1kΩ l l l 150 150 300 250 300 500 ns ns ns tR Rise Time (30% to 70%) (Figure 3) SDA2, CL = 200pF SDA, RPU = 1kΩ, CL = 200pF SCL2, CL = 200pF l l l 40 40 350 350 250 ns ns ns tF Fall Time (70% to 30%) (Figure 3) SDA2, CL = 200pF SDA, RPU = 1kΩ, CL = 200pF SCL2, CL = 200pF l l l 40 40 250 250 250 ns ns ns The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PVCC = VCC = 5V, VL = VL2 = 3.3V, VIN = GND = GND2 = 0V, ON = VL, and ON2 = VL2 unless otherwise noted. Specifications apply to all options unless otherwise noted. The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PVCC = VCC = 5V, VL = VL2 = 3.3V, VIN = GND = GND2 = 0V, ON = VL, and ON2 = VL2 unless otherwise noted. Specifications apply to all options unless otherwise noted. |
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