參數(shù)資料
型號： MAX3469CPA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 通用總線功能
英文描述： +5V, Fail-Safe, 40Mbps, Profibus RS-485/ RS-422 Transceivers
中文描述： LINE TRANSCEIVER, PDIP8
封裝： PLASTIC, DIP-8
文件頁數(shù)： 4/14頁
文件大?。?/td> 309K
代理商： MAX3469CPA
Note 1:
All currents into the device are positive; all currents out of the device are negative. All voltages are referenced to device
ground, unless otherwise noted.
Note 2:
V
OD
and
V
OC
are the changes in V
OD
and V
OC
, respectively, when the DI input changes state.
Note 3:
The short-circuit output current applies to peak current just prior to foldback-current limiting; the short-circuit foldback output
current applies during current limiting to allow a recovery from bus contention.
Note 4:
Capacitive load includes test probe and fixture capacitance.
Note 5:
Shutdown is enabled by bringing
RE
high and DE low or by bringing SHDN high. If the enable inputs are in this state for less
than 50ns, the device is guaranteed not to enter shutdown. If the enable inputs are in this state for at least 800ns, the device
is guaranteed to have entered shutdown.
M
+5V, Fail-Safe, 40Mbps, Profibus RS-485/
RS-422 Transceivers
4
_______________________________________________________________________________________
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
CONDITIONS
MIN
TYP
MAX
UNITS
Recei ver O utp ut S kew
|t
PLH
-
t
PHL
|
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)
30
ns
Receiver Enable to Output High
t
ZH
30
ns
Receiver Disable Time from Low
t
LZ
30
ns
Receiver Disable Time from High
t
HZ
Figures 8 and 11, R
L
= 1k
, C
L
= 15pF,
S2 closed (Note 4)
(Note 5)
Figures 8 and 9, R
L
= 500
, C
L
= 50pF,
S2 closed (Note 5)
30
ns
Time to Shutdown
Driver Enable from Shutdown to
Output High
t
SHDN
50
800
ns
t
ZH (SHDN)
4
μs
Driver Enable from Shutdown to
Output Low
t
ZL (SHDN)
Figures 8 and 9, R
L
= 500
, C
L
= 50pF,
S1 closed (Note 5)
4
μs
Receiver Enable from Shutdown to
Output High
t
ZH (SHDN)
Figures 8 and 11, R
L
= 1k
, C
L
= 15pF,
S2 closed (Notes 4, 5)
4
μs
Receiver Enable from Shutdown to
Output Low
t
ZL (SHDN)
Figures 8 and 11, R
L
= 1k
, C
L
= 15pF,
S1 closed (Notes 4, 5)
4
μs
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
N
60
40
-20
0
20
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.10
-40
80
DE = V
CC
DE = GND
OUTPUT CURRENT
vs. RECEIVER OUTPUT LOW VOLTAGE
M
OUTPUT LOW VOLTAGE (V)
O
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
20
30
40
50
60
0
0
5.0
OUTPUT CURRENT
vs. RECEIVER OUTPUT HIGH VOLTAGE
M
OUTPUT HIGH VOLTAGE (V)
O
4
3
2
1
5
10
15
20
25
30
35
0
0
5
Typical Operating Characteristics
(V
CC
= +5V, T
A
= +25
°
C, unless otherwise noted.)
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