參數(shù)資料
型號: LTC486
廠商: Linear Technology Corporation
英文描述: Quad Low Power RS485 Driver
中文描述: 四路低功耗485驅(qū)動器
文件頁數(shù): 3/8頁
文件大?。?/td> 227K
代理商: LTC486
3
LTC486
S
V
CC
= 5V
±
5%, 0
°
C
Temperature
70
°
C (Commercial), –40
°
C
Temperature
85
°
C (Industrial) (Note 2, 3)
U
G C
HARC
WITCHI
SYMBOL
t
ZL
t
LZ
t
HZ
PARAMETER
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
CONDITIONS
C
L
= 100pF (Figures 3, 5) S1 Closed
C
L
= 15pF (Figures 3, 5) S1 Closed
C
L
= 15pF (Figures 3, 5) S2 Closed
MIN
TYP
35
35
35
MAX
70
70
70
UNITS
ns
ns
ns
Note 1:
Absolute maximum ratings are those beyond which the safety of
the device cannot be guaranteed.
Note 2:
All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to device ground unless
otherwise specified.
Note 3:
All typicals are given for V
CC
= 5V and temperature = 25
°
C.
TI
W
E WAVEFOR
S
U
G
WITCHI
3V
W
S
OUTPUT VOLTAGE (V)
0
O
0
–24
– 48
–72
–96
1
2
3
4
LTC486 TPC01
OUTPUT VOLTAGE (V)
0
O
0
20
40
60
80
1
2
3
4
LTC486 TPC03
OUTPUT VOLTAGE (V)
0
O
0
16
32
48
64
1
2
3
4
LTC486 TPC02
Figure 4. Driver Propagation Delays
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
Driver Output High Voltage
vs Output Current T
A
= 25
°
C
Driver Differential Output Voltage
vs Output Current T
A
= 25
°
C
Driver Output Low Voltage
vs Output Current T
A
= 25
°
C
–V
O
LTC486 TA05
B
A
DI
V
O
1/2 V
O
0V
t
SKEW
1.5V
t
PLH
1.5V
t
PHL
1/2 V
O
V = V(A) – V(B)
V
O
80%
20%
t
f
90%
10%
t
r
t
SKEW
f = 1MHz : t 10ns : t 10ns
LTC486 TA06
A, B
EN
3V
0V
f = 1MHz : t 10ns : t 10ns
V
OL
V
OH
1.5V
1.5V
5V
OUTPUT NORMALLY LOW
t
ZL
2.3V
t
LZ
0.5V
A, B
0V
t
ZH
2.3V
OUTPUT NORMALLY HIGH
t
HZ
0.5V
Figure 5. Driver Enable and Disable Times
相關(guān)PDF資料
PDF描述
LTC486C ; LED Color:Red; Luminous Intensity:63mcd; Viewing Angle:80 ; Forward Current:20mA; Forward Voltage:2.1V; Operating Temperature Range:-40 C to +100 C RoHS Compliant: Yes
LTC486CN Quad Low Power RS485 Driver
LTC486CS Quad Low Power RS485 Driver
LTC486I Quad Low Power RS485 Driver
LTC486IN Quad Low Power RS485 Driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LTC486CNPBF 制造商:Linear Technology 功能描述:LTC486CNPBF
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