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參數資料
| 型號： | SN72HVD3082E |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LOW POWER RS 485 TRANSCEIVER |
| 中文描述： | 低功耗RS 485 TRANSCEIVE? |
| 文件頁數： | 4/19頁 |
| 文件大?。?/td> | 369K |
| 代理商： | SN72HVD3082E |
SLLS562C MARCH 2003 REVISED JUNE 2004
www.ti.com
4
DRIVER ELECTRICAL CHARACTERISTICS
over recommended operating conditions unless otherwise noted
PARAMETER
TEST CONDITIONS
IO = 0, No load
RL = 54
, See Figure 1
RL = 100
VTEST = 7 V to 12 V, See Figure 2
See Figure 1 and Figure 2
MIN
TYP
(1)
MAX
UNIT
3
4.3
VOD
Differential output voltage
1.5
2.3
V
2
1.5
VOD
VOC(SS)
VOC(SS)
VOC(PP)
IOZ
II
IOS
(1)All typical values are at 25
°
C and with a 5V-supply.
Change in magnitude of differential output voltage
0.2
0
0.2
V
Steady-state common-mode output voltage
See Figure 3
1
2.6
3
V
Change in steady-state common-mode output voltage
0.1
0
0.1
See Figure 3
500
mV
High-impedance output current
See receiver input currents
Input current
D, DE
7 V
≤
VO
≤
12 V, See Figure 7
100
100
μ
A
Short-circuit output current
250
250
mA
DRIVER SWITCHING CHARACTERISTICS
over recommended operating conditions unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
700
MAX
1300
UNIT
tPLH
tPHL
Propagation delay time, low-to-high-level output
Propagation delay time, high-to-low-level output
RL = 54
,
CL = 50 pF,
See Figure 4
HVD3082E
HVD3085E
150
500
ns
HVD3088E
12
20
tr
tf
Differential output signal rise time
Differential output signal fall time
RL = 54
,
CL = 50 pF,
See Figure 4
HVD3082E
500
900
1500
HVD3085E
200
300
ns
HVD3088E
7
15
RL = 54
,
CL = 50 pF,
See Figure 4
HVD3082E
20
200
tsk(p)
Pulse skew ( |tPHL - tPLH| )
HVD3085E
5
50
ns
HVD3088E
1.4
5
tPZH
tPZL
Propagation delay time, high-impedance-to-high-level output
RE at 0 V,
See Figure 5
and Figure 6
RE at 0 V,
See Figure 5
and Figure 6
HVD3082E
2500
7000
Propagation delay time, high-impedance-to-lowlevel output
RL = 110 ,
HVD3085E
1000
2500
ns
HVD3088E
13
30
tPHZ
tPLZ
Propagation delay time, high-level-to-high-impedance output
HVD3082E
80
200
Propagation delay time, low-level-to-high-impedance output
RL = 110 ,
HVD3085E
60
100
ns
HVD3088E
12
30
tPZH(SHDN)
tPZL(SHDN)
Propagation delay time, shutdown-to-high-level output
RL = 110
, RE
at VCC,
See Figure 5
HVD3082E
3500
7000
Propagation delay time, shutdown-to-low-level output
HVD3085E
2500
4500
ns
HVD3088E
1600
2600
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