Datasheet LTM2885 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 6500VRMS Isolated RS485/RS422 μModule Transceiver + Power |
| 页数 / 页 | 22 / 8 — TYPICAL. PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 5.0V, VL = 3.3V … |
| 文件格式/大小 | PDF / 1.1 Mb |
| 文件语言 | 英语 |
TYPICAL. PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 5.0V, VL = 3.3V unless. otherwise noted
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LTM2885
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 5.0V, VL = 3.3V unless otherwise noted. VCC Supply Current vs Temperature Available VCC2 Current at ILOAD = 100mA on VCC2 vs Temperature VCC2 vs Load Current vs Temperature
300 5.1 100 VCC = 5.0V, VCC2 ≥ 4.75V 275 5.0 90 RS485 ENABLED AND TERMINATED 250 4.9 80 225 4.8 70 200 4.7 60 175 4.6 50 TAGE (V) CURRENT (mA) 150 4.4 40 NO LOAD VOL CURRENT (mA) I CC2 125 4.3 I CC 30 R485 = OPEN, C485 = 0pF, 100 V V 0Mbps, V CC= 4.5V CC = 4.5V CM = 0V 4.2 20 V VCC = 5.0V 75 R CC= 5.0V 485 = 54Ω, C485 = 500pF, 4.1 10 VCC = 5.5V 10Mbps, V V CM = –7V CC= 5.5V 50 4.0 0 –50 –25 0 25 50 75 100 125 0 50 100 150 200 250 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) LOAD CURRENT (mA) TEMPERATURE (°C) 2885 G11 2885 G12 2885 G10
VCC2 Efficiency and Power Loss vs Load Current VCC2 Load Step (100mA) VCC2 Noise
60 2.4 EFFICIENCY 50 2.0 VCC2 POWER LOSS (W) 200mV/DIV 40 1.6 VCC = 4.5V V 30 CC = 5.0V 1.2 10mV/DIV VCC = 5.5V EFFICIENCY (%) 20 0.8 ILOAD 50mA/DIV 10 0.4 POWER LOSS 0 0.0 0 50 100 150 200 250 100µs/DIV 200µs/DIV LOAD CURRENT (mA) 2885 G14 2885 G15 2885 G13 2885fa 8 For more information www.linear.com/LTM2885 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 Functional Table Applications Information Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 5.0V, VL = 3.3V unless otherwise noted. VCC Supply Current vs Temperature Available VCC2 Current at ILOAD = 100mA on VCC2 vs Temperature VCC2 vs Load Current vs Temperature
300 5.1 100 VCC = 5.0V, VCC2 ≥ 4.75V 275 5.0 90 RS485 ENABLED AND TERMINATED 250 4.9 80 225 4.8 70 200 4.7 60 175 4.6 50 TAGE (V) CURRENT (mA) 150 4.4 40 NO LOAD VOL CURRENT (mA) I CC2 125 4.3 I CC 30 R485 = OPEN, C485 = 0pF, 100 V V 0Mbps, V CC= 4.5V CC = 4.5V CM = 0V 4.2 20 V VCC = 5.0V 75 R CC= 5.0V 485 = 54Ω, C485 = 500pF, 4.1 10 VCC = 5.5V 10Mbps, V V CM = –7V CC= 5.5V 50 4.0 0 –50 –25 0 25 50 75 100 125 0 50 100 150 200 250 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) LOAD CURRENT (mA) TEMPERATURE (°C) 2885 G11 2885 G12 2885 G10
VCC2 Efficiency and Power Loss vs Load Current VCC2 Load Step (100mA) VCC2 Noise
60 2.4 EFFICIENCY 50 2.0 VCC2 POWER LOSS (W) 200mV/DIV 40 1.6 VCC = 4.5V V 30 CC = 5.0V 1.2 10mV/DIV VCC = 5.5V EFFICIENCY (%) 20 0.8 ILOAD 50mA/DIV 10 0.4 POWER LOSS 0 0.0 0 50 100 150 200 250 100µs/DIV 200µs/DIV LOAD CURRENT (mA) 2885 G14 2885 G15 2885 G13 2885fa 8 For more information www.linear.com/LTM2885 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 Functional Table Applications Information Typical Application Related Parts