參數(shù)資料
型號(hào)： SP3238ECY-L/TR
廠商： Exar Corporation
文件頁(yè)數(shù)： 12/20頁(yè)
文件大小： 0K
描述： IC TXRX RS232 INTELLIGNT 28TSSOP
產(chǎn)品變化通告： Packaging Change 15/Jul/2010
標(biāo)準(zhǔn)包裝： 1,500
類(lèi)型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 5/3
規(guī)程： RS232
電源電壓： 3 V ~ 5.5 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 28-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 28-TSSOP
包裝： 帶卷 (TR)
2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP3238E_100_020111
NOTE 1: V+ and V- can have maximum magnitudes of 7V, but their absolute difference cannot exceed 13V.
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation
of the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may
affect reliability and cause permanent damage to the
device.
V
CC.......................................................-0.3V to +6.0V
V+ (NOTE 1).......................................-0.3V to +7.0V
V- (NOTE 1)........................................+0.3V to -7.0V
V+ + |V-| (NOTE 1)...........................................+13V
I
CC (DC VCC or GND current).........................+100mA
Input Voltages
TxIN, ONLINE, SHUTDOWN, ....-0.3V to Vcc + 0.3V
RxIN...................................................................+25V
Output Voltages
TxOUT.............................................................+13.2V
RxOUT, STATUS.......................-0.3V to (V
CC +0.3V)
Short-Circuit Duration
TxOUT....................................................Continuous
Storage Temperature......................-65°C to +150°C
V
CC = +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%), T
AMB = TMIN to TMAX, unless otherwise noted. Typical
values are at T
A = 25
o
C
Power Dissipation per package
28-pin SSOP (derate 11.2mW/oC above +70oC)..........900mW
28-pin TSSOP (derate 13.2mW/oC above +70oC)......1100mW
ELECTRICAL CHARACTERISTICS
PARAMETER
MIN.
TYP.
MAX. UNITS CONDITIONS
DC CHARACTERISTICS
Supply Current, AUTO ON-
LINE
1.0
10
A
All RxIN open, ONLINE = GND,
SHUTDOWN = V
CC, TxIN = GND or
V
CC
Supply Current, Shutdown
1.0
10
A
SHUTDOWN = GND, TxIN = Vcc or
GND
Supply Current
AUTO ON-LINE Disabled
0.3
1.0
mA
ONLINE = SHUTDOWN = Vcc,
no load, TxIN = GND or V
CC
LOGIC INPUTS AND RECEIVER OUTPUTS
Input Logic Threshold
LOW
HIGH
2.4
0.8
V
CC = +3.3V or +5.0V, TxIN
ONLINE, SHUTDOWN
Input Leakage Current
+0.01
+1.0
A
TxIN, ONLINE, SHUTDOWN,
T
AMB = +25
o
C
Output Leakage Current
+0.05
+10
A
Receivers disabled
Output Voltage LOW
0.4
V
I
OUT = 1.6mA
Output Voltage HIGH
V
CC -0.6
V
CC -0.1
V
I
OUT = -1.0mA
DRIVER OUTPUTS
Output Voltage Swing
+5.0
+5.4
V
All driver outputs loaded with 3K to
GND
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