參數(shù)資料
型號： MAX3238ECAI+T
廠商： Maxim Integrated Products
文件頁數(shù)： 6/12頁
文件大?。?/td> 0K
描述： IC TXRX RS-232 TRUE 28-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,000
類型： 線路收發(fā)器
驅(qū)動器/接收器數(shù)： 5/3
規(guī)程： RS232
電源電壓： 3 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 帶卷 (TR)
MAX3238
+3.0V to +5.5V, 1A, up to 250kbps, True
RS-232 Transceiver with AutoShutdown Plus
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +5.5V; C1–C4 = 0.1F (tested at 3.3V ±5%), C1–C4 = 0.22F (tested at 3.3V ±10%), C1 = 0.047F and
C2–C4 = 0.33F (tested at 5.0V ±10%); TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25°C.)
Figure 4a
Figure 7a
Figure 4b (Note 2)
VCC = 5V, Figure 4b (Note 2)
VCC = 5V, Figure 4b
IOUT = 1.6mA
IOUT = -1.0mA
VCC = 5V, Figure 4b
CONDITIONS
V
-0.3
0.3
Receiver Input Threshold to
INVALID Output Low
V
2.7
Receiver Input Threshold to
INVALID Output High
sec
15
30
60
Receiver or Transmitter Edge to
Shutdown (tAUTOSHDN)
s
25
Receiver or Transmitter Edge to
Transmitters Enabled (tWU)
s
50
Receiver Positive or Negative
Threshold to INVALID Low (tINVL)
V
0.4
INVALID Output Voltage Low
V
VCC -
0.6
INVALID Output Voltage High
s
0.1
Receiver Positive or Negative
Threshold to INVALID High (tINVH)
UNITS
MIN
TYP
MAX
PARAMETER
Positive threshold
Negative threshold
-2.7
Output Voltage Swing
All transmitter outputs loaded with 3k
to ground
±5.0
±5.4
V
Output Resistance
VCC = V+ = V- = GND, TOUT = 2V
300
10M
VCC
≤ 3.6V
±35
±60
Output Leakage Current
VOUT = ±12V, VCC = 0V to 5.5V,
transmitters disabled
±25
A
| tPHL - tPLH |
430
tPHL
R_IN to R_OUT,
CL = 150pF
tPLH
CL = 150pF to 1000pF
RL = 3k
, CL = 1000pF, one transmitter switching
CL = 150pF to 2500pF
0.15
VCC = 3.3V,
TA = +25°C,
RL = 3
to 7k,
measured from +3V to
-3V or -3V to +3V
Normal operation
| tPHL - tPLH |
s
0.15
Receiver Propagation Delay
kbps
250
Maximum Data Rate
V/s
630
Transition-Region Slew Rate
ns
200
Receiver Output Enable Time
ns
200
Receiver Output Disable Time
ns
100
Transmitter Skew
ns
50
Receiver Skew
TIMING CHARACTERISTICS
Output Short-Circuit Current
VCC > 3.6V
±40
±100
AutoShutdown (FORCEON = GND, FORCEOFF = VCC)
TRANSMITTER OUTPUTS
Note 2: A transmitter/receiver edge is defined as a transition through the transmitter/receiver input logic thresholds.
mA
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MAX3238ECDBG4 功能描述:RS-232接口集成電路 3-5.5V Multich RS- 232 Line Drvr/Rcvr 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:
MAX3238ECDBR 功能描述:RS-232接口集成電路 3 to 5V Multichannel RS-232 Line Drv/Rcvr 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:
MAX3238ECDBRG4 功能描述:RS-232接口集成電路 3-5.5V Multich RS- 232 Line Drvr/Rcvr 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:
MAX3238ECDW 功能描述:RS-232接口集成電路 3 to 5V Multichannel RS-232 Line Drv/Rcvr 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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