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参数资料
型号： MAX3460CPD
厂商： MAXIM INTEGRATED PRODUCTS INC
元件分类： 通用总线功能
英文描述： +5V, Fail-Safe, 20Mbps, Profibus RS-485/ RS-422 Transceivers
中文描述： LINE TRANSCEIVER, PDIP14
封装： 0.300 INCH, PLASTIC, MS-058AC, DIP-14
文件页数： 3/14页
文件大小： 376K
代理商： MAX3460CPD
M
+5V, Fail-Safe, 20Mbps, Profibus RS-485/
RS-422 Transceivers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +5V and T
A
= +25
°
C.) (Note 1)
PARAMETER
SYMBOL
V
TH
CONDITIONS
MIN
TYP
20
MAX
UNITS
mV
Receiver Input Hysteresis
V
A
+ V
B
= 0
Receiver Output High Voltage
V
OH
I
O
= -4mA, V
A
- V
B
= V
TH
V
CC
- 1.5
V
Receiver Output Low Voltage
Three-State Output Current at
Receiver
Receiver Input Resistance
V
OL
I
O
= 4mA, V
B
- V
A
= V
TH
0.4
V
I
OZR
0
≤
V
O
≤
V
CC
±
1
μA
R
IN
-7V
≤
V
CM
≤
12V
48
k
Receiver Output Short-Circuit
Current
I
OSR
0
≤
V
RO
≤
V
CC
±7
±95
mA
SUPPLY CURRENT
N or m al O p er ati on ( stati c cond i on)
Supply Current in SHDN
SWITCHING CHARACTERISTICS
I
Q
No load, DI = V
CC
or DI = GND
DE = GND and
RE
= V
CC
, or SHDN = V
CC
2.5
1
4
10
mA
μA
I
SHDN
t
PLH
t
PHL
t
R
t
F
Driver Propagation Delay
Figures 6 and 7, R
DIFF
= 54
,
C
L
= 50pF
20
ns
Driver Differential Output Rise or
Fall Time
Figures 6 and 7, R
DIFF
= 54
,
C
L
= 50pF
Figures 6 and 7, R
DIFF
= 54
,
C
L
= 50pF, TXP = GND or floating
20
ns
Driver Output Skew |t
PLH
- t
PHL
|
t
SKEW
2
ns
Maximum Data Rate
20
Mbps
Driver Enable to Output High
t
ZH
Figures 8 and 9, S2 closed, R
L
= 500
,
C
L
= 50pF
Figures 8 and 9, S1 closed, R
L
= 500
,
C
L
= 50pF
100
ns
Driver Enable to Output Low
t
ZL
100
ns
Driver Disable Time from Low
t
LZ
Figures 8 and 9, S1 closed, R
L
= 500
,
C
L
= 50pF
100
ns
Driver Disable Time from High
t
HZ
Figures 8 and 9, S2 closed, R
L
= 500
,
C
L
= 50pF
100
ns
t
PLH
t
PHL
Receiver Propagation Delay
Figure 10, C
L
= 15pF (Note 4)
20
ns
Recei ver O utp ut S kew |t
PLH
- t
P H L
|
t
SKEW
Figure 10, C
L
= 15pF, RXP = GND or
floating (Note 4)
2
ns
Receiver Enable to Output Low
t
ZL
Figures 8 and 11, R
L
= 1k
, C
L
= 15pF,
S1 closed (Note 4)
Figures 8 and 11, R
L
= 1k
, C
L
= 15pF,
S2 closed (Note 4)
Figures 8 and 11, R
L
= 1k
, C
L
= 15pF,
S1 closed (Note 4)
100
ns
Receiver Enable to Output High
t
ZH
100
ns
Receiver Disable Time from Low
t
LZ
100
ns
Receiver Disable Time from High
t
HZ
Figures 8 and 11, R
L
= 1k
, C
L
= 15pF,
S2 closed (Note 4)
100
ns
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