Datasheet LT3960 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | I2C to CAN-Physical Transceiver |
| 页数 / 页 | 20 / 4 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 1.1 Mb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
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LT3960
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VCC = 3.3V, Figure 1 applies with RPU = 4.99k, RL = 60Ω, EN/MODE = VCC, TYP values unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
∆VTH Bus Input Differential Hysteresis Voltage VCC = 3.3V, –25V ≤ VCM ≤ 25V 150 mV VCC = 5V, –36V ≤ VCM ≤ 36V 150 mV RIN Input Resistance (CANxH and CANxL) SCL = SDA = VCC; RIN = ∆V/∆I; ∆I = ±20 µA l 25 35.7 50 kΩ RID Differential Input Resistance SCL = SDA = VCC; RIN = ∆V/∆I; ∆I = ±20 µA l 50 71.4 100 kΩ ∆RIN Input Resistance Matching RIN (CANxH) to RIN (CANxL) l ±3 % CIH Input Capacitance to GND (CANxH) (Note 4) 32 pF CIL Input Capacitance to GND (CANxL) (Note 4) 8 pF CID Differential Input Capacitance (Note 4) 8.4 pF IL Bus Leakage Current (Power Off) VCC = 0V, CANxH = CANxL = 5V ±10 µA VCC = 0V, CANxH = CANxL = 5V, t < 150°C l ±50 µA
I2C Port
VIL SDA, SCL Input Low Voltage l 0.4 V VIH SDA, SCL Input High Voltage l 1.5 V Ii SDA, SCL Input Leakage Current SDA = SCL = 0V to 5.5V –50 50 nA Vhys SDA, SCL Input Hysteresis l 0.05 • VCC V VOL1 SDA, SCL Output Low Voltage ISDA = 3mA l 0.4 V tr Clock/Data Rise Time CB = Capacitance of One Bus Line (pF) (Note 5) 20 + 0.1CB 300 ns tf Clock/Data Fall Time CB = Capacitance of One Bus Line (pF) (Note 5) 20 + 0.1CB 300 ns Rev. 0 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Switching Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Timing Diagrams Operation Applications Information Typical Applications Typical Application Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VCC = 3.3V, Figure 1 applies with RPU = 4.99k, RL = 60Ω, EN/MODE = VCC, TYP values unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
∆VTH Bus Input Differential Hysteresis Voltage VCC = 3.3V, –25V ≤ VCM ≤ 25V 150 mV VCC = 5V, –36V ≤ VCM ≤ 36V 150 mV RIN Input Resistance (CANxH and CANxL) SCL = SDA = VCC; RIN = ∆V/∆I; ∆I = ±20 µA l 25 35.7 50 kΩ RID Differential Input Resistance SCL = SDA = VCC; RIN = ∆V/∆I; ∆I = ±20 µA l 50 71.4 100 kΩ ∆RIN Input Resistance Matching RIN (CANxH) to RIN (CANxL) l ±3 % CIH Input Capacitance to GND (CANxH) (Note 4) 32 pF CIL Input Capacitance to GND (CANxL) (Note 4) 8 pF CID Differential Input Capacitance (Note 4) 8.4 pF IL Bus Leakage Current (Power Off) VCC = 0V, CANxH = CANxL = 5V ±10 µA VCC = 0V, CANxH = CANxL = 5V, t < 150°C l ±50 µA
I2C Port
VIL SDA, SCL Input Low Voltage l 0.4 V VIH SDA, SCL Input High Voltage l 1.5 V Ii SDA, SCL Input Leakage Current SDA = SCL = 0V to 5.5V –50 50 nA Vhys SDA, SCL Input Hysteresis l 0.05 • VCC V VOL1 SDA, SCL Output Low Voltage ISDA = 3mA l 0.4 V tr Clock/Data Rise Time CB = Capacitance of One Bus Line (pF) (Note 5) 20 + 0.1CB 300 ns tf Clock/Data Fall Time CB = Capacitance of One Bus Line (pF) (Note 5) 20 + 0.1CB 300 ns Rev. 0 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Switching Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Timing Diagrams Operation Applications Information Typical Applications Typical Application Related Parts