Datasheet > 驱动程序和接口 > 线路驱动器或接收器> SP3244EEA-L

SP3244EEA-L

更新时间： 2024-11-25 04:31:11

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
22页	923K
描述
3.0V to 5.5V RS-232 Transceivers with Auto On-Line㈢ Plus

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中文翻译

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SP3244EEA-L 数据手册

SP3244E-SP3245E

3.0V to 5.5V RS-232 Transceivers with Auto On-Line® Plus

FEATURES

• Contains 3-Drivers and 5-Receivers;

Single-chip DTE (PC or terminal) serial port transceiver

• Auto On-line^®Plus

• SP3244E slew-controlled to 250Kbps under load

C2+

C2-

V-

C1+

V+

• SP3245E 1Mbps data rate for high-speed RS-232

• Meets true EIA/TIA-232-F and ITU V.28 standards

from a +3.0V to +5.5V power supply

• Adheres to EIA/TIA-562 for interoperability

with EIA/TIA-232 down to a +2.7V supply voltage

• Regulated charge pump yields stable RS-232

outputs regardless of VCC variations

• ESD Speciﬁcations:

VCC

GND

R1IN

R2IN

R3IN

C1-

SP3244E

SP3245E

ONLINE

SHUTDOWN

±15KV Human Body Model

±15KV IEC1000-4-2 Air Discharge

± 8KV IEC1000-4-2 Contact Discharge

R4IN 7

STATUS

R2OUT

R1OUT

R2OUT

R3OUT

R4OUT

R5IN

T1OUT

T2OUT 10

T3OUT 11

APPLICATIONS

• Portable RS-232

T3IN

T2IN 13

T1IN

• Laptops and handheld PCs and PDA

• Cellular telephones, datacables, chargingcradles

• Diagnostic/uploadportsonembeddedapplications

• Use in conjunction with low-voltage UART or

microcontroller

R5OUT

•SP3244Eiscross-compatiblewithMAX3244E,

ICL3244E

•SP3245Eiscross-compatiblewithMAX3245E,

ICL3245E

DESCRIPTION

The SP3244E/3245E is a 3-driver/5-receiver device ideal for mobile phone, consumer and PDA

applications. These devices use an internal high-efﬁciency, charge-pump power supply that requires

only 0.1µF capacitors for 3.3V single-supply operation. This charge pump and Sipex’s driver archi-

tecture allow the SP3244E/3245E to deliver compliant RS-232 performance from a power supply

ranging from +3.0V to +5.5V. At voltages between +2.7V and +3.0V the driver outputs are compliant

with RS-562 and can interface to RS-232 in portable applications.

The Auto On-line^®Plus feature allows the device to automatically enter a low power shutdown

mode if all receiver and driver inputs have been idle for 30 seconds. The device will “wake-up” from

this automatic shutdown state upon detecting activity. This power saving feature functions without

system intervention or modiﬁcations to software or drivers.

SP3244E supports serial data rates of 250kbps minimum under full load and while maintaining

slew rates of less than 30V/µs. SP3245E is capable of high speed communication of up to 1Mbps.

Rev M 10/9/06

SP3244E-SP3245E, 3.0V to 5.5V RS-232 Transceivers with Auto On-Line^®Plus

12 3 4 5 6 7...22

中文翻译

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与SP3244EEA-L相关器件

型号	品牌	获取价格	描述	数据表
SP3244EEA-L/TR	SIPEX	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28, LEAD FREE, MO-150AH, SSOP-28
SP3244EER1-L	SIPEX	获取价格	3.0V to 5.5V RS-232 Transceivers with Auto On
SP3244EER1-L/TR	SIPEX	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, 5 X 5 MM, LEAD FREE, MO-220VHHD-4, QFN-32
SP3244EER1-L/TR	EXAR	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, 5 X 5 MM, LEAD FREE, MO-220VHHD, QFN-32
SP3244EEY-L	SIPEX	获取价格	3.0V to 5.5V RS-232 Transceivers with Auto On
SP3244EEY-L/TR	SIPEX	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28, LEAD FREE, MO-153AE, TSSOP-28
SP3245E	SIPEX	获取价格	3.0V to 5.5V RS-232 Transceivers with Auto On
SP3245ECA-L	SIPEX	获取价格	3.0V to 5.5V RS-232 Transceivers with Auto On
SP3245ECA-L/TR	SIPEX	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28, LEAD FREE, MO-150AH, SSOP-28
SP3245ECY-L	SIPEX	获取价格	3.0V to 5.5V RS-232 Transceivers with Auto On

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