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| 型號： | ISL3241EIRZ-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | Buffer和線驅(qū)動 |
| 英文描述： | QFN Packaged, ±15kV ESD Protected, +2.7V to +3.6V, 250kbps, RS-232 Transmitters/Receivers with Separate Logic Supply Pin; Temperature Range: -40°C to 85°C; Package: 32-QFN |
| 中文描述： | LINE TRANSCEIVER, PQCC32 |
| 封裝： | 5 X 5 MM, ROHS COMPLIANT, PLASTIC, QFN-32 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 549K |
| 代理商： | ISL3241EIRZ-T |
1
FN6768.1
ISL3241E, ISL3243E
QFN Packaged, ±15kV ESD Protected,
+2.7V to +3.6V, 250kbps, RS-232
Transmitters/Receivers with Separate
Logic Supply Pin
The Intersil ISL324xE devices are 2.7V to 3.6V powered
RS-232 transmitters/receivers which meet ElA/TIA-232 and
V.28/V.24 specifications, even at VCC = 3.0V. Additionally,
they provide ±15kV ESD protection (IEC61000-4-2 Air Gap
and Human Body Model) on transmitter outputs and receiver
inputs (RS-232 pins). Targeted applications are POS
systems, and notebook and laptop computers where the low
operational, and even lower standby, power consumption is
critical. Efficient on-chip charge pumps, coupled with manual
and automatic power-down functions, reduce the standby
supply current to a 0.5A trickle. Tiny 5mmx5mm Quad Flat
No-Lead (QFN) packaging and the use of small, low value
capacitors ensure board space savings as well. Data rates
greater than 250kbps are guaranteed at worst case load
conditions.
ISL324xE are 3 driver, 5 receiver devices that, coupled with
the 5x5 QFN package, provide the industry’s smallest,
lowest power complete serial port. The 5x5 QFN requires
60% less board area than a 28 Ld TSSOP, and is nearly
20% thinner. These devices also include a noninverting
always-active receiver for “wake-up” capability.
The ISL3243E features an automatic powerdown function
that powers down the on-chip power supply and driver
circuits. This occurs when an attached peripheral device is
shut off or the RS-232 cable is removed, conserving system
power automatically without changes to the hardware or
operating system. It powers up again when a valid RS-232
voltage is applied to any receiver input.
The ISL324xE feature a VL pin that adjusts the logic pin (see
“Pin Descriptions” on page 2) output levels and input
thresholds to values compatible with the VCC powering the
external logic (e.g., a UART).
Table 1 summarizes the features of the ISL324xE.
Features
VL Pin for Compatibility in Mixed Voltage Systems
Adjusts Logic Output Levels and Input Thresholds for
Compatibility with Lower Supply Voltage Logic
Parameters Specified for 10% Tolerance Supplies and Full
Industrial Temp Range
Pb-free Small QFN (5mmx5mm) Package is 60% Smaller
than a 28 Lead TSSOP
ESD Protection for RS-232 I/O Pins to ±15kV (IEC61000)
Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
RS-232 Compatible with VCC = 2.7V
On-Chip Voltage Converters Require Only Four External
0.1F Capacitors
Manual and Automatic Power-down Features
Receiver Hysteresis for Improved Noise Immunity
Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps
Low Supply Current in Power-down State . . . . . . . . 0.5A
Pb-Free (RoHS compliant)
Applications
Any Space Constrained System Requiring RS-232 Ports
- Battery Powered, Hand-Held, and Portable Equipment
- POS Systems and Scanners
- Laptop Computers, Notebooks
- GPS Receivers
Mixed Voltage Serial Ports
Related Literature
Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
”Technical Brief TB379 “Thermal Characterization of
Packages for ICs”
Technical Brief TB389 “PCB Land Pattern Design and
Surface Mount Guidelines for QFN Packages”
TABLE 1. SUMMARY OF FEATURES
PART NUMBER
NO. OF
Tx.
NO. OF
Rx.
LOGIC
SUPPLY (VL)
PIN?
NO. OF
MONITOR Rx.
(ROUTB)
DATA
RATE
(kbps)
Rx. ENABLE
FUNCTION?
Pb-FREE?
MANUAL
POWER-
DOWN?
AUTOMATIC
POWERDOWN
FUNCTION?
ISL3241E
3
5
YES
2
250
YES
NO
ISL3243E
3
5
YES
1
250
NO
YES
Data Sheet
May 13, 2010
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2008, 2010. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
相關PDF資料 |
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| ISL3243EIRZ | QFN Packaged, ±15kV ESD Protected, +2.7V to +3.6V, 250kbps, RS-232 Transmitters/Receivers with Separate Logic Supply Pin; Temperature Range: -40°C to 85°C; Package: 32-QFN |
| ISL3243EIRZ-T | QFN Packaged, ±15kV ESD Protected, +2.7V to +3.6V, 250kbps, RS-232 Transmitters/Receivers with Separate Logic Supply Pin; Temperature Range: -40°C to 85°C; Package: 32-QFN |
| ISL3293EFHZ-T | ±16.5kV ESD Protected, +125°C, 3.0V to 5.5V, SOT-23/TDFN Packaged, Low Power, RS-485/RS-422 Transmitters; Temperature Range: Full-Range Ind; Package: 6-SOT-23 T&R |
| ISL3293EIHZ-T | ±16.5kV ESD Protected, +125°C, 3.0V to 5.5V, SOT-23/TDFN Packaged, Low Power, RS-485/RS-422 Transmitters; Temperature Range: -40°C to 85°C; Package: 6-SOT-23 T&R |
| ISL3294EFHZ-T | ±16.5kV ESD Protected, +125°C, 3.0V to 5.5V, SOT-23/TDFN Packaged, Low Power, RS-485/RS-422 Transmitters; Temperature Range: Full-Range Ind; Package: 6-SOT-23 T&R |
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| ISL32430E | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:?±40V Fault Protected, 3.3V to 5V, ?±15V Common Mode Range, RS-485/RS-422 Transceivers With Cable Invert and ?±15kV ESD |
| ISL32430EIBZ | 功能描述:IC TRANSCEIVER 14-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:* 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:發(fā)射器 驅(qū)動器/接收器數(shù):4/0 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
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