LTM2882-3 View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTM2882-3

Dual Isolated RS232 µModule Transceiver + Power

Linear Technology 

LTM2882

Typical Performance Characteristics TA = 25°C, LTM2882-3 VCC = 3.3V, LTM2882-5

VCC = 5V, VL = 3.3V, and GND = GND2 = 0V, ON = VL unless otherwise noted.

VCC2 Surplus Current

vs Temperature

300

VCC2 Power Efficiency

70

1.2

250

VCC = 5.0V

LTM2882-5

200

150

VCC = 3.3V

LTM2882-3

100

T1OUT AND T2OUT

50 BAUD = 100kbps

RL = 3k, CL = 2.5nF

VCC2 = 4.8V

0

–50 –25 0 25 50

TEMPERATURE (°C)

75 100

2882 G15

60

1.0

LTM2882-5

50

0.8

LTM2882-3

40

0.6

30

0.4

20

0.2

TA = 25°C

10

0

0 50 100 150 200 250 300

LOAD CURRENT (mA)

2882 G16

VCC2 Ripple and Noise

VCC2 Load Step Response

100mV/DIV

T1IN = 250kbps

T1OUT, T2OUT, RL = 3k

10µs/DIV

2882 G17

200mV/DIV

50mA/DIV

100µs/DIV

2882 G18

2882ff

8

For more information www.linear.com/LTM2882

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