參數(shù)資料
型號: LTC486C
廠商: Linear Technology Corporation
英文描述: ; 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
中文描述: 四路低功耗485驅(qū)動器
文件頁數(shù): 3/8頁
文件大小: 227K
代理商: LTC486C
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
LTC486CN Quad Low Power RS485 Driver
LTC486CS Quad Low Power RS485 Driver
LTC486I Quad Low Power RS485 Driver
LTC486IN Quad Low Power RS485 Driver
LTC486IS Quad Low Power RS485 Driver
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