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LTC2876 데이터시트(PDF) 7 Page - Linear Technology

부품명 LTC2876
상세설명  짹60V Rugged PROFIBUS RS485 Transceivers
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC2876 데이터시트(HTML) 7 Page - Linear Technology

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LTC2876/LTC2877
7
28767fa
For more information www.linear.com/LTC2876
Typical perForMance characTerisTics
VL Supply Current vs Data Rate
Driver Differential Output Voltage
vs Supply Voltage
Driver Differential Output Voltage
vs Temperature
Driver Output Low/High Voltage
vs Output Current
Driver Output Short-Circuit
Current vs Voltage
Driver and Receiver Propagation
Delay vs VCC
VCC Supply Current vs Voltage for
Various Modes, No Load
VCC Supply Current vs Temperature
for Various Modes, No Load
VCC Supply Current vs Data Rate
TA = 25°C. VCC = VL = 5V, unless otherwise noted. (Note 2)
ICCDR
ICCD
ICCR
ICCS (nA)
VCC SUPPLY VOLTAGE (V)
3
3.5
4
4.5
5
5.5
500
550
600
650
700
750
0
1
2
3
4
5
28767 G01
ICCDR
ICCD
ICCR
ICCS (nA)
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
500
575
650
725
800
0.1
1
10
100
1k
10k
28767 G02
RS485 54Ω/100pF Load (Fig. 5) VCC = 5V
PROFI 100m cable w/term (Fig.1) VCC = 5V
RS485 54Ω/100pF Load (Fig. 5) VCC = 3.3V
No Load, VCC = 5V
No Load, VCC = 3.3V
DATA RATE (Mbps)
0
5
10
15
20
0
10
20
30
40
50
28767 G03
VL = 5V, CRO = 15pF
VL = 5V, CRO = 0pF
VL = 1.65V, CRO = 15pF
VL = 1.65V, CRO = 0pF
DATA RATE (Mbps)
0
5
10
15
20
0
0.5
1.0
1.5
2.0
2.5
3.0
28767 G04
VOD(PP) PROFIBUS LOADS (Fig. 1)
VOD(422) (Fig. 2, RL= 50Ω)
VOD(485) (Fig. 2, RL= 27Ω)
VCC (V)
3
3.5
4
4.5
5
5.5
0
1
2
3
4
5
6
7
28767 G05
VOD(PP) PROFI LOAD (Fig. 1), VCC = 5V
VOD(422) (Fig. 2, RL= 50Ω), VCC = 5V
VOD(485) (Fig. 2, RL= 27Ω), VCC = 5V
VOD(422) (Fig. 2, RL= 50Ω), VCC = 3.3V
VOD(485) (Fig. 2, RL= 27Ω), VCC = 3.3V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
1
2
3
4
5
6
28767 G06
VOH (VCC = 5.0V)
VOH (VCC = 3.3V)
VOL (VCC = 5.0V)
VOL (VCC = 3.3V)
OUTPUT CURRENT (mA)
0
10
20
30
40
50
0
1
2
3
4
5
28767 G07
OUTPUT LOW
OUTPUT HIGH
OUTPUT VOLTAGE (V)
–60
–40
–20
0
20
40
60
–160
–120
–80
–40
0
40
80
120
160
28767 G08
DRIVER
RECEIVER
VCC
3
3.5
4
4.5
5
5.5
0
10
20
30
40
50
60
28767 G09



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