參數(shù)資料
型號： MAX3218*
廠商： Maxim Integrated Products, Inc.
英文描述： 1&#181.A.1.8V to 4.25V RS-232 Transceiver with AutoShutdown&#153.
文件頁數(shù)： 3/12頁
文件大?。?/td> 123K
M
1μA S upply Current, 1.8V to 4.25V-Powered
RS -232 Transc eiver with AutoS hutdown
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
CC
= 1.8V to 4.25V, C1 = 0.47μF, C2 = C3 = C4 = 1μF, L1 = 15μH, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at V
CC
= 3.0V, T
A
= +25°C.)
ns
500
290
260
1.9
t
DT
t
PHLR
t
PLHR
t
PHLT
Transmitter Output Disable Time
2500pF
||
3k
load each transmitter, one trans-
mitter switching, 150pF load each receiver
T
A
= +25°C, V
CC
= 3.0V, R
L
= 3k
to 7k
,
C
L
= 50pF to 2500pF, measured from
+3V to -3V or -3V to +3V
2500pF
||
3k
load
150pF load
150pF load
2500pF
||
3k
load
CONDITIONS
ns
μs
200
250
500
450
t
DR
t
ET
Receiver Output Disable Time
Transmitter Output Enable Time
ns
90
300
t
ER
kbps
120
235
Data Rate
Receiver Output Enable Time
V/μs
3.0
30
Transition Region Slew Rate
1.8
2.7
t
PLHT
Transmitter Propagation Delay
ns
1000
1000
2.7
Receiver Propagation Delay
μs
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
TIMING CHARACTERISTICS
(Circuit of Figure 1, V
CC
= 1.8V to 4.25V, C1 = 0.47μF, C2 = C3 = C4 = 1μF, L1 = 15μH, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at V
CC
= 3.0V, T
A
= +25°C.)
V
CC
= 2.0V to 4.25V
V
CC
= 1.8V to 4.25V
V
CC
= 1.8V to 4.25V
V
CC
= 1.8V to 3.6V
CONDITIONS
0.4
0.3
UNITS
MIN
TYP
MAX
PARAMETER
V
Input Threshold Low
3.0
2.8
-15V < R_IN < 15V
k
3
5
7
Input Resistance
EIA/TIA-232E TRANSMITTER OUTPUTS
Input Hysteresis
V
V
Input Threshold High
0.7
V
CC
= 0V, -2V < T_OUT < 2V
Output Short-Circuit Current
mA
300
Output Resistance
±24
±100
All transmitter outputs loaded with 3k
to ground
Output Voltage Swing
V
±5
±6
V
-25
+25
Input Voltage Range
EIA/TIA-232E RECEIVER INPUTS
Figure 4b
μs
250
t
WU
Receiver Threshold to
Transmitters Enabled
Figure 4b
μs
1
t
INVH
Receiver Positive or Negative
Threshold to INVALID High
Figure 4b
μs
30
t
INVL
Receiver Positive or Negative
Threshold to INVALID Low
AUTOSHUTDOWN TIMING
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3218C/D 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3218CAP 功能描述:RS-232接口集成電路 Integrated Circuits (ICs) RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3218CAP+ 功能描述:RS-232接口集成電路 1uA 1.8-4.25V Tcvr w/AutoShutdown RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3218CAP+ 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR ((NW))
MAX3218CAP+T 功能描述:RS-232接口集成電路 1uA 1.8-4.25V Tcvr w/AutoShutdown RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
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