Datasheet LTM2883 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power |
| 页数 / 页 | 36 / 5 — ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 1.5 Mb |
| 文件语言 | 英语 |
ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply over the full operating
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LTM2883
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. LTM2883-3 VCC = 3.3V, LTM2883-5 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 I2C
VIL Low Level Input Voltage SCL, SDA l 0.3 • VL V SDA2 l 0.3 • VCC2 V VIH High Level Input Voltage SCL, SDA l 0.7 • VL V SDA2 l 0.7 • VCC2 V IINL Input Current SCL, SDA = VL or 0V l ±1 µA VHYS Input Hysteresis SCL, SDA 0.05 • VL mV SDA2 0.05 • VCC2 mV VOH Output High Voltage SCL2, ILOAD = –2mA l VCC2 – 0.4 V DO2, ILOAD = –2mA l VL – 0.4 V VOL Output Low Voltage SDA, VL = 3V, ILOAD = 3mA l 0.4 V DO2, VL = 3V, ILOAD = 2mA l 0.4 V SCL2, ILOAD = 2mA l 0.4 V SDA2, No Load, SDA = 0V, 4.5V ≤ VCC2 < 5.5V l 0.45 V SDA2, No Load, SDA = 0V, 3V < VCC2 < 4.5V l 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 ≤ VCC2 ±30 mA 0V ≤ DO2 ≤ VL ±30 mA SDA = 0, SDA2 = VCC2 6 mA SDA = VL, SDA2 = 0 –1.8 mA
ESD (HBM) (Note 2)
Isolation Boundary (VCC2, V+, V–, GND2) to (VCC, VL, GND) ±10 kV
SWITCHING CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. LTM2883-3 VCC = 3.3V, LTM2883-5 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 Logic
Maximum Data Rate Ix → DOx, CL = 15pF (Note 3) l 10 MHz tPHL, tPLH Propagation Delay CL = 15pF (Figure 1) l 35 60 100 ns tR Rise Time CL = 15pF (Figure 1) l 3 12.5 ns LTM2883-I, DO2, CL = 15pF (Figure 1) l 20 35 ns tF Fall Time CL = 15pF (Figure 1) l 3 12.5 ns LTM2883-I, DO2, CL = 15pF (Figure 1) l 20 35 ns
SPI
Maximum Data Rate Bidirectional Communication (Note 3) l 4 MHz Unidirectional Communication (Note 3) l 8 MHz tPHL, tPLH Propagation Delay CL = 15pF (Figure 1) l 35 60 100 ns tPWU Output Pulse Width Uncertainty SDI2, CS2 (Note 2) –20 50 ns 2883fd For more information www.linear.com/LTM2883 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Switching Characteristics Isolation Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Applications Information Package Description 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. LTM2883-3 VCC = 3.3V, LTM2883-5 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 I2C
VIL Low Level Input Voltage SCL, SDA l 0.3 • VL V SDA2 l 0.3 • VCC2 V VIH High Level Input Voltage SCL, SDA l 0.7 • VL V SDA2 l 0.7 • VCC2 V IINL Input Current SCL, SDA = VL or 0V l ±1 µA VHYS Input Hysteresis SCL, SDA 0.05 • VL mV SDA2 0.05 • VCC2 mV VOH Output High Voltage SCL2, ILOAD = –2mA l VCC2 – 0.4 V DO2, ILOAD = –2mA l VL – 0.4 V VOL Output Low Voltage SDA, VL = 3V, ILOAD = 3mA l 0.4 V DO2, VL = 3V, ILOAD = 2mA l 0.4 V SCL2, ILOAD = 2mA l 0.4 V SDA2, No Load, SDA = 0V, 4.5V ≤ VCC2 < 5.5V l 0.45 V SDA2, No Load, SDA = 0V, 3V < VCC2 < 4.5V l 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 ≤ VCC2 ±30 mA 0V ≤ DO2 ≤ VL ±30 mA SDA = 0, SDA2 = VCC2 6 mA SDA = VL, SDA2 = 0 –1.8 mA
ESD (HBM) (Note 2)
Isolation Boundary (VCC2, V+, V–, GND2) to (VCC, VL, GND) ±10 kV
SWITCHING CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. LTM2883-3 VCC = 3.3V, LTM2883-5 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 Logic
Maximum Data Rate Ix → DOx, CL = 15pF (Note 3) l 10 MHz tPHL, tPLH Propagation Delay CL = 15pF (Figure 1) l 35 60 100 ns tR Rise Time CL = 15pF (Figure 1) l 3 12.5 ns LTM2883-I, DO2, CL = 15pF (Figure 1) l 20 35 ns tF Fall Time CL = 15pF (Figure 1) l 3 12.5 ns LTM2883-I, DO2, CL = 15pF (Figure 1) l 20 35 ns
SPI
Maximum Data Rate Bidirectional Communication (Note 3) l 4 MHz Unidirectional Communication (Note 3) l 8 MHz tPHL, tPLH Propagation Delay CL = 15pF (Figure 1) l 35 60 100 ns tPWU Output Pulse Width Uncertainty SDI2, CS2 (Note 2) –20 50 ns 2883fd For more information www.linear.com/LTM2883 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Switching Characteristics Isolation Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Applications Information Package Description Typical Application Related Parts