Datasheet LTM2881 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Complete Isolated RS485/RS422 μModule Transceiver + Power |
| 页数 / 页 | 24 / 8 — Typical perForMance characTerisTics. TA = 25°C, LTM2881-3 VCC = 3.3V, … |
| 文件格式/大小 | PDF / 594 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. TA = 25°C, LTM2881-3 VCC = 3.3V, LTM2881-5
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LTM2881
Typical perForMance characTerisTics TA = 25°C, LTM2881-3 VCC = 3.3V, LTM2881-5 VCC = 5.0V, VL = 3.3V unless otherwise noted. VCC Supply Current vs Temperature VCC2 Surplus Current at I vs Temperature V LOAD = 100mA on VCC2 CC2 vs Load Current
350 250 6 LTM2881-3, VCC = 3.3V 300 200 LTM2881-5 LTM2881-5 (RS485 60mA) 5 250 200 150 LTM2881-3 LTM2881-5, VCC = 5V LTM2881-5 (RS485 90mA) 4 TAGE (V) 150 CURRENT (mA) 100 LTM2881-3 (RS485 60mA) VOL I CC 100 SURPLUS CURRENT (mA) 3 50 50 LTM2881-3 (RS485 90mA) 0 0 2 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 20 40 60 80 100 120 140 160 180 TEMPERATURE (°C) TEMPERATURE (°C) VCC2 LOAD CURRENT (mA) 2881 G10 2881 G11 2881 G12
VCC2 Power Efficiency VCC2 Load Step (100mA) VCC2 Noise
70 LTM2881-5 60 VCC2 100mV/DIV 50 LTM2881-3 10mV/DIV 40 ILOAD EFFICIENCY (%) 30 50mA/DIV 20 100µs/DIV 2881 G14 200µs/DIV 2881 G15 10 0 50 100 150 200 ICC2 OUTPUT CURRENT (mA) 2881 G13 2881fi 8 For more information www.linear.com/LTM2881 Document Outline Features Applications Typical Application Description 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 Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, LTM2881-3 VCC = 3.3V, LTM2881-5 VCC = 5.0V, VL = 3.3V unless otherwise noted. VCC Supply Current vs Temperature VCC2 Surplus Current at I vs Temperature V LOAD = 100mA on VCC2 CC2 vs Load Current
350 250 6 LTM2881-3, VCC = 3.3V 300 200 LTM2881-5 LTM2881-5 (RS485 60mA) 5 250 200 150 LTM2881-3 LTM2881-5, VCC = 5V LTM2881-5 (RS485 90mA) 4 TAGE (V) 150 CURRENT (mA) 100 LTM2881-3 (RS485 60mA) VOL I CC 100 SURPLUS CURRENT (mA) 3 50 50 LTM2881-3 (RS485 90mA) 0 0 2 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 20 40 60 80 100 120 140 160 180 TEMPERATURE (°C) TEMPERATURE (°C) VCC2 LOAD CURRENT (mA) 2881 G10 2881 G11 2881 G12
VCC2 Power Efficiency VCC2 Load Step (100mA) VCC2 Noise
70 LTM2881-5 60 VCC2 100mV/DIV 50 LTM2881-3 10mV/DIV 40 ILOAD EFFICIENCY (%) 30 50mA/DIV 20 100µs/DIV 2881 G14 200µs/DIV 2881 G15 10 0 50 100 150 200 ICC2 OUTPUT CURRENT (mA) 2881 G13 2881fi 8 For more information www.linear.com/LTM2881 Document Outline Features Applications Typical Application Description 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 Applications Package Description Revision History Typical Application Related Parts