Datasheet LTC4331 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | I2C Slave Device Extender Over Rugged Differential Link |
| 页数 / 页 | 26 / 4 — The. denotes the specifications which apply over the full operating |
| 文件格式/大小 | PDF / 243 Kb |
| 文件语言 | 英语 |
The. denotes the specifications which apply over the full operating
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LTC4331 ELECTRICAL CHARACTERISTICS
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C, VCC = 5V, VL = 3.3V, GND = 0V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Differential Driver
|VOD| Differential Driver Output Voltage R = ∞ l 1.5 VCC V R = 27Ω (Figure 1) l 1.5 5 V IOSD Maximum Driver Short-Circuit Current –60V ≤ (A or B) ≤ 60V (Figure 2) l ±150 ±250 mA
Differential Receiver
RIN Receiver Input Resistance 0 ≤ VCC ≤ 5.5V (Figure 3) 112 kΩ VCM Receiver Common Mode Input Voltage l ±15 V VTH Differential Input Signal Threshold –15V < VCM < 15V (Note 2) l ±200 mV
Logic
VIH High Level Input Voltage (ON, CTRL, REMOTE) 1.62V < VL < 5.5V l 0.8 • VL V High Level Input Voltage (SCL, SDA, ALERT) 1.62V < VL < 5.5V l 1.35 V High Level Input Voltage (SLO) 3V < VCC < 5.5V l 0.67 • VCC V VIH3ST High Level Input Voltage (A1, A2, SPEED1, SPEED2) l VL – 0.25 V VIM3ST Mid Level Input Voltage (A1, A2, SPEED1, SPEED2) l 0.45 • VL 0.55 • VL V VIL3ST Low Level Input Voltage (A1, A2, SPEED1, SPEED2) l 0.25 V VIL Low Level Input Voltage (ON, CTRL, REMOTE) 1.62V < VL < 5.5V l 0.2 • VL V Low Level Input Voltage (SCL, SDA, ALERT) 1.62V < VL < 5.5V l 0.8 V Low Level Input Voltage (SLO) 3V < VCC < 5.5V l 0.33 • VCC V Digital Input Current (SCL, SDA, ALERT) VIN = 0V to VL l ±5 µA Digital Input Current (ON, CTRL, A1, A2, REMOTE, VIN = 0V to VL l ±60 µA SPEED1, SPEED2) Digital Input Current (SLO) l 0 ±5 µA VOH High Level Output Voltage (CTRL) ILOAD = –500µA l VL – 0.2 V VOL Low Level Output Voltage (LINK, RDY, ALERT, CTRL) ILOAD = 500µA l 0.2 V Low Level Output Voltage (SCL, SDA) ILOAD = 20mA l 0.4 V IOZ High-Z Output Leakage Current (SCL, SDA, ALERT, LINK) l ±5 μA High-Z Output Leakage Current (RDY) l –60 μA Output Source Current (Short-Circuit) (CTRL) –80 mA Output Sink Current (Short-Circuit) (LINK, RDY, ALERT, 80 mA CTRL) Short-Circuit Current (SCL, SDA) 100 mA CIN Input Pin Capacitance SCL, SDA (Note 2) 10 pF Rev 0 4 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Switching Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Timing Diagrams Applications Information Typical Applications Package Description Typical Application Related Parts
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C, VCC = 5V, VL = 3.3V, GND = 0V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Differential Driver
|VOD| Differential Driver Output Voltage R = ∞ l 1.5 VCC V R = 27Ω (Figure 1) l 1.5 5 V IOSD Maximum Driver Short-Circuit Current –60V ≤ (A or B) ≤ 60V (Figure 2) l ±150 ±250 mA
Differential Receiver
RIN Receiver Input Resistance 0 ≤ VCC ≤ 5.5V (Figure 3) 112 kΩ VCM Receiver Common Mode Input Voltage l ±15 V VTH Differential Input Signal Threshold –15V < VCM < 15V (Note 2) l ±200 mV
Logic
VIH High Level Input Voltage (ON, CTRL, REMOTE) 1.62V < VL < 5.5V l 0.8 • VL V High Level Input Voltage (SCL, SDA, ALERT) 1.62V < VL < 5.5V l 1.35 V High Level Input Voltage (SLO) 3V < VCC < 5.5V l 0.67 • VCC V VIH3ST High Level Input Voltage (A1, A2, SPEED1, SPEED2) l VL – 0.25 V VIM3ST Mid Level Input Voltage (A1, A2, SPEED1, SPEED2) l 0.45 • VL 0.55 • VL V VIL3ST Low Level Input Voltage (A1, A2, SPEED1, SPEED2) l 0.25 V VIL Low Level Input Voltage (ON, CTRL, REMOTE) 1.62V < VL < 5.5V l 0.2 • VL V Low Level Input Voltage (SCL, SDA, ALERT) 1.62V < VL < 5.5V l 0.8 V Low Level Input Voltage (SLO) 3V < VCC < 5.5V l 0.33 • VCC V Digital Input Current (SCL, SDA, ALERT) VIN = 0V to VL l ±5 µA Digital Input Current (ON, CTRL, A1, A2, REMOTE, VIN = 0V to VL l ±60 µA SPEED1, SPEED2) Digital Input Current (SLO) l 0 ±5 µA VOH High Level Output Voltage (CTRL) ILOAD = –500µA l VL – 0.2 V VOL Low Level Output Voltage (LINK, RDY, ALERT, CTRL) ILOAD = 500µA l 0.2 V Low Level Output Voltage (SCL, SDA) ILOAD = 20mA l 0.4 V IOZ High-Z Output Leakage Current (SCL, SDA, ALERT, LINK) l ±5 μA High-Z Output Leakage Current (RDY) l –60 μA Output Source Current (Short-Circuit) (CTRL) –80 mA Output Sink Current (Short-Circuit) (LINK, RDY, ALERT, 80 mA CTRL) Short-Circuit Current (SCL, SDA) 100 mA CIN Input Pin Capacitance SCL, SDA (Note 2) 10 pF Rev 0 4 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Switching Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Timing Diagrams Applications Information Typical Applications Package Description Typical Application Related Parts