Datasheet 搜索 > 接口芯片 > TI（德州仪器） > MAX3221CDB 数据手册 > MAX3221CDB 其他数据使用手册 1/13 页
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MAX3221CDB 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
接口芯片
封装:
SSOP-16
描述:
TEXAS INSTRUMENTS MAX3221CDB 芯片, 线驱动器/接收器, RS-232
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MAX3221CDB数据手册
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若手册格式错乱，请下载阅览PDF原文件
MAX3221
3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
SLLS348H – JUNE 1999 – REVISED JUNE 2003
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D
Meets or Exceeds the Requirements of
TIA/EIA-232-F and ITU v.28 Standards
D
Operates With 3-V to 5.5-V V
CC
Supply
D
Operates Up To 250 kbit/s
D
One Driver and One Receiver
D
Low Standby Current ...1 µA Typical
D
External Capacitors ...4 × 0.1 µF
D
Accepts 5-V Logic Input With 3.3-V Supply
D
Designed to Be Interchangeable With
Maxim MAX3221
D
Alternative High-Speed Pin-Compatible
Device (1 Mbit/s)
– SNx5C3221
D
RS-232 Bus-Pin ESD Protection Exceeds
±15 kV Using Human-Body Model (HBM)
D
Auto-Powerdown Feature Automatically
Disables Drivers for Power Savings
D
Applications
– Battery-Powered, Hand-Held, and
Portable Equipment
– PDAs and Palmtop PCs
– Notebooks, Subnotebooks, and Laptops
– Digital Cameras
– Mobile Phones and Wireless Devices
description/ordering information
The MAX3221 consists of one line driver, one line receiver, and a dual charge-pump circuit with ±15-kV ESD
protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of
TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and
the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V
to 5.5-V supply. These devices operate at data signaling rates up to 250 kbit/s and a maximum of 30-V/µs driver
output slew rate.
ORDERING INFORMATION
T
A
PACKAGE
†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
–0 C to 70 C
SSOP (DB) Reel of 2000 MAX3221CDBR MA3221C
–0
°
C to 70
°
C
TSSOP (PW)
Tube of 90 MAX3221CPW
MA3221C
TSSOP (PW)
Reel of 2000 MAX3221CPWR
MA3221C
–40 C to 85 C
SSOP (DB) Reel of 2000 MAX3221IDBR MB3221I
–40
°
C to 85
°
C
TSSOP (PW)
Tube of 90 MAX3221IPW
MB3221I
TSSOP (PW)
Reel of 2000 MAX3221IPWR
MB3221I
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright 2003, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
DB OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
EN
C1+
V+
C1–
C2+
C2–
V–
RIN
FORCEOFF
V
CC
GND
DOUT
FORCEON
DIN
INVALID
ROUT
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