Datasheet LTM2887 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | SPI/Digital or I2C μModule Isolator with Dual Adjustable 5V Regulators |
| 页数 / 页 | 38 / 5 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 600 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the specified operating
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LTM2887
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating temperature range, otherwise specifications are at TA = 25°C. LTM2887-3 VCC = 3.3V, LTM2887-5 VCC = 5V, VL = 3.3V, and GND = GND2 = 0V, ON = VL unless otherwise noted. Specifications apply to all options unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VHYS Input Hysteresis 150 mV VOH Output High Voltage DO1, DO2, SDO l VL – 0.4 V ILOAD = –1mA, 1.62V ≤ VL < 3V ILOAD = –4mA, 3V ≤ VL ≤ 5.5V O1, SCK2, SDI2, CS2, ILOAD = –4mA l VL2 – 0.4 V VOL Output Low Voltage DO1, DO2, SDO l 0.4 V ILOAD = 1mA, 1.62V ≤ VL < 3V ILOAD = 4mA, 3V ≤ VL ≤ 5.5V O1, SCK2, SDI2, CS2, ILOAD = 4mA l 0.4 V ISC Short-Circuit Current 0V ≤ (DO1, DO2, SDO) ≤ VL l ±85 mA 0V ≤ (O1, SCK2, SDI2, CS2) ≤ VL2 ±60 mA
I2C
VIL Low Level Input Voltage SCL, SDA l 0.3 • VL V SDA2 l 0.3 • VL2 V VIH High Level Input Voltage SCL, SDA l 0.7 • VL V SDA2 l 0.7 • VL2 V IINL Input Current SCL, SDA = VL or 0V l ±1 µA SDA2 = VL2, SDA2 = VL2 = 0V l ±1 µA VHYS Input Hysteresis SCL, SDA 0.05 • VL mV SDA2 0.05 • VL2 mV VOH Output High Voltage SCL2, ILOAD = –2mA l VL2 – 0.4 V DO2, ILOAD = –2mA VL – 0.4 V VOL Output Low Voltage SDA, ILOAD = 3mA l 0.4 V DO2, ILOAD = 2mA l 0.4 V SCL2, ILOAD = 2mA l 0.4 V SDA2, No Load, SDA = 0V, 4.5V ≤ V l L2 < 5.5V 0.45 V SDA2, No Load, SDA = 0V, 3V < V l L2 < 4.5V 0.3 0.55 V CIN Input Pin Capacitance SCL, SDA, SDA2 (Note 2) l 10 pF CB Bus Capacitive Load SCL2, Standard Speed (Note 2) l 400 pF SCL2, Fast Speed l 200 pF SDA, SDA2, SR ≥ 1V/µs, Standard Speed (Note 2) l 400 pF SDA, SDA2, SR ≥ 1V/µs, Fast Speed l 200 pF Minimum Bus Slew Rate SDA, SDA2 l 1 V/µs ISC Short-Circuit Current SDA2 = 0, SDA = VL l 100 mA 0V ≤ SCL2 ≤ VL2 ±30 mA 0V ≤ DO2 ≤ VL ±30 mA SDA = 0, SDA2 = VL2 6 mA SDA = VL, SDA2 = 0 –1.8 mA
ESD (HBM) (Note 2)
Isolation Boundary (VCC2, VL2, GND2) to (VCC, VL, GND) ±10 kV 2887fb For more information www.linear.com/LTM2887 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Product Selection Guide Order Information Electrical Characteristics Switching Characteristics Isolation Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Test Circuits Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating temperature range, otherwise specifications are at TA = 25°C. LTM2887-3 VCC = 3.3V, LTM2887-5 VCC = 5V, VL = 3.3V, and GND = GND2 = 0V, ON = VL unless otherwise noted. Specifications apply to all options unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VHYS Input Hysteresis 150 mV VOH Output High Voltage DO1, DO2, SDO l VL – 0.4 V ILOAD = –1mA, 1.62V ≤ VL < 3V ILOAD = –4mA, 3V ≤ VL ≤ 5.5V O1, SCK2, SDI2, CS2, ILOAD = –4mA l VL2 – 0.4 V VOL Output Low Voltage DO1, DO2, SDO l 0.4 V ILOAD = 1mA, 1.62V ≤ VL < 3V ILOAD = 4mA, 3V ≤ VL ≤ 5.5V O1, SCK2, SDI2, CS2, ILOAD = 4mA l 0.4 V ISC Short-Circuit Current 0V ≤ (DO1, DO2, SDO) ≤ VL l ±85 mA 0V ≤ (O1, SCK2, SDI2, CS2) ≤ VL2 ±60 mA
I2C
VIL Low Level Input Voltage SCL, SDA l 0.3 • VL V SDA2 l 0.3 • VL2 V VIH High Level Input Voltage SCL, SDA l 0.7 • VL V SDA2 l 0.7 • VL2 V IINL Input Current SCL, SDA = VL or 0V l ±1 µA SDA2 = VL2, SDA2 = VL2 = 0V l ±1 µA VHYS Input Hysteresis SCL, SDA 0.05 • VL mV SDA2 0.05 • VL2 mV VOH Output High Voltage SCL2, ILOAD = –2mA l VL2 – 0.4 V DO2, ILOAD = –2mA VL – 0.4 V VOL Output Low Voltage SDA, ILOAD = 3mA l 0.4 V DO2, ILOAD = 2mA l 0.4 V SCL2, ILOAD = 2mA l 0.4 V SDA2, No Load, SDA = 0V, 4.5V ≤ V l L2 < 5.5V 0.45 V SDA2, No Load, SDA = 0V, 3V < V l L2 < 4.5V 0.3 0.55 V CIN Input Pin Capacitance SCL, SDA, SDA2 (Note 2) l 10 pF CB Bus Capacitive Load SCL2, Standard Speed (Note 2) l 400 pF SCL2, Fast Speed l 200 pF SDA, SDA2, SR ≥ 1V/µs, Standard Speed (Note 2) l 400 pF SDA, SDA2, SR ≥ 1V/µs, Fast Speed l 200 pF Minimum Bus Slew Rate SDA, SDA2 l 1 V/µs ISC Short-Circuit Current SDA2 = 0, SDA = VL l 100 mA 0V ≤ SCL2 ≤ VL2 ±30 mA 0V ≤ DO2 ≤ VL ±30 mA SDA = 0, SDA2 = VL2 6 mA SDA = VL, SDA2 = 0 –1.8 mA
ESD (HBM) (Note 2)
Isolation Boundary (VCC2, VL2, GND2) to (VCC, VL, GND) ±10 kV 2887fb For more information www.linear.com/LTM2887 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Product Selection Guide Order Information Electrical Characteristics Switching Characteristics Isolation Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Test Circuits Applications Information Typical Applications Package Description Revision History Typical Application Related Parts