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参数资料
| 型号： | SP3245EEA-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 16/22页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232 28SSOP |
| 标准包装： | 1,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/5 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 带卷 (TR) |
3
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3244E_SP3245E_00_2509
AbSOLUTE mAxImUm RATINgS
Supply Voltage (Vcc).......................-0.3V to + 6.0V
V+ (Note 1)......................................-0.3V to + 7.0V
V- (Note 1).......................................+0.3V to - 7.0V
|V+| + |V-| .......................................................+13V
Input voltage at TTL input pin.. -0.3V toVCC +0.3V
RxIN..............................................................+/-16V
Driver output (from Ground)...................... +/-13.2V
RxOUT, /STATUS.....................-0.3V to VCC + 0.3V
Short Circuit Duration, TxOUT to GND, Continuous
(One output at a time maximum)
Storage Temperature.....................-65°C to +50°C
Operating Temperature SP32__EC_.............0°Cto+70°C
Operating Temperature SP32__EE_........-40°Cto+85°C
Lead Temperature (soldering, 0s)............. +300°C
SOIC-28,
JA = 58.6C/W
SSOP-28,
JA = 67.1C/W
TSSOP-28,
JA = 83.6C/W
QFN-32,
JA = 22.4C/W
These are stress ratings only and functional
operation of the device at these ratings or
any other above those indicated in the opera-
tion sections of the specifications below is not
implied. Exposure to absolute maximum rating
conditions for extended periods of time may
affect reliability.
NOTE 1: V+ and V- can have maximum
magnitudes of 7V, but their absolute difference
cannot exceed 13V.
ELECTRICAL CHARACTERISTICS
PIN ASSIgNmENTS
Unless otherwise noted VCC = +3.0V to +5.5V, TAMB = TMIN to TMAX, C1–C4 = 0.1μF.
Typical values are at TAMB = +25°C, VCC = 3.3V.
PARAmETERS
Symb
TEST CONDITIONS
mIN.
TyP.
mAx. UNIT
DC CHARACTERISTICS
Supply Current,
Auto On-Line Plus
Icc3
Receivers idle, TxIN = Vcc or
GND, ONLINE = GND,
SHUTDOWN = Vcc
0
μA
Supply Current, Shutdown
Icc2
SHUTDOWN = GND
0
μA
Supply Current, Active
Icc1
ONLINE = SHUTDOWN = Vcc,
No Load
5
mA
Driver Input and Logic Input Pins:
Logic
Input
Voltage
High
Vih
Vcc = 3.3V
2
V
Vcc = 5.0V
2.4
Low
Vil
0.8
Logic Threshold
Vt
.5
Logic Input Leakage Current
Iil
0.0
±.0
μA
Logic Input Hysteresis
Vhys
00
mV
Receiver Outputs and STATUS Output
Receiver Output Voltage Low
Vol
Iout = -.6mA
0.4
V
Receiver Output Voltage
High
Voh
Iout = mA
Vcc
-0.6
V
Receiver Output Leakage
Current
Ioz
Receivers Disabled,
0.4V < Vo < 5.5V
±0.02
±
μA
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