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| 型號： | ISL3232EIRZ-T7A |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC XMITTER/RCVR ESD RS232 16QFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 2/2 |
| 規(guī)程： | RS232 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-QFN-EP（5x5） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | ISL3232EIRZ-T7ADKR |
1
FN6045.6
ISL3232E, ISL4221E, ISL4223E
QFN Packaged, ±15kV ESD Protected,
+2.7V to +5.5V, 150nA, 250kbps, RS-232
Transmitters/Receivers
The Intersil ISL3232E and ISL4221E, ISL4223E devices are
2.7V to 5.5V 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 PDAs, Palmtops, and hand-held
products 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 150nA 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.
The ISL4221E is a 1 driver, 1 receiver device and the
ISL3232E and ISL4223E are 2 driver, 2 receiver devices
that, coupled with the 5mmx5mm QFN package, provide the
industry’s smallest, lowest power serial port suitable for
PDAs, and hand-held applications. The 5mmx5mm QFN
requires 40% less board area than a 20 Ld TSSOP, and is
nearly 20% thinner.
The ISL4221E, ISL4223E versions feature an automatic
power-down 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.
Table 1 summarizes the features of the IC’s, while
Application Note AN9863 summarizes the features of each
device comprising the 3V RS-232 family.
Features
Available in Near Chip Scale QFN (5mmx5mm) Package,
which is 40% Smaller than a 20 Ld 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 (Except
ISL3232E)
Receiver Hysteresis For Improved Noise Immunity
Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps
Wide Power Supply Range . . . . . . Single +2.7V to +5.5V
Low Supply Current in Power-down State . . . . . . . . 150nA
Pb-Free Available (RoHS Compliant)
Applications
Any Space Constrained System Requiring RS-232 Ports
- Battery Powered, and Portable Equipment
- Hand-Held Products (GPS Receivers, Bar Code
Scanners, etc.)
- PDAs and Palmtops, Data Cables
- Cellular/Mobile Phones, Digital Cameras
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.
QFN PKG.
AVAILABLE?
DATA RATE
(kbps)
Rx. ENABLE
FUNCTION?
MANUAL
POWER-DOWN?
AUTOMATIC POWER-DOWN
FUNCTION?
ISL4221E
1
YES
250
YES
ISL3232E
2
YES
250
NO
ISL4223E
2
YES
250
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. 2004, 2007, 2008, 2010. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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| ISL32372E | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:QUAD, ±16.5kV ESD Protected, 3.0V to 5.5V, Low Power, RS-422 Transmitters |
| ISL32372EFBZ | 功能描述:IC XMITTER ESD RS422 LP 16-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(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISL32372EFBZ-T | 功能描述:IC XMITTER ESD RS422 LP 16-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(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISL32372EFVZ | 功能描述:IC XMITTER ESD RS422 LP 16-TSSOP 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(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISL32372EFVZ-T | 功能描述:IC XMITTER ESD RS422 LP 16-TSSOP 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(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
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