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Texas Instruments 4Q 2006 Interface Selection Guide
Personal video recorder application block diagram.
RS232: IEC6100-4-2 (Level 4)
ESD-Protected Devices
T
I offers new RS-232 devices with system-
level IEC61000-4-2 electrostatic discharge
(ESD) protection. This protection makes the
RS-232 interface immune to damage from
ESD strikes that may occur while the system
is up and running, such as when a connection
to the RS-232 cable is made. These devices
are drop-in replacements and are functionally
identical to the existing industry-standard
solutions, providing a seamless transition in
the qualification process. These devices meet
the requirements for low-power, high-speed
applications such as portable/consumer,
telecom and computing equipment.
TI offers these new devices in the NiPdAu
Pb-Free finish, which eliminates tin whiskers
that might compromise long-term system reli-
ability. TI offers the space-saving QFN pack-
age on select devices in addition to its
already extensive RS-232 portfolio.
Key Features
• No external ESD device needed with
these system-level ESD ratings:
– ±15-kV human-body model (HBM)
– ±8-kV IEC61000-4-2, contact
discharge
– ±15-kV IEC61000-4-2, air-gap
discharge
• Improved drop-in replacement of
popular RS-232 devices
• Data rates meet or exceed today’s
high-speed-application requirements
• Flexible power-saving options enable
longer battery life
• Wide portfolio permits selection of the
right form, fit and functionality
• Industry-leading interface product
space with assured source of supply
• NiPdAu Pb-Free solution provides
whisker-free, reliable package options
• Space-saving QFN package options for
portable applications
A
pplications
• The three-driver, five-receiver MAX3243E
is most popular in applications like PCs,
notebooks and servers.
• The MAX3238E/37E offer
complementary five-driver, three-
receiver solutions. These two devices
are popular in PC peripheral
applications like data cables, printers,
modems, industrial control, etc.
• The MAX3227E/23E/22E/21E are
popular in portable handheld
applications due to their reduced bit
count, package size and low power
consumption.
• Higher-speed versions like the
SNx5C3232E/23E/22E/21E meet today’s
higher throughput needs through the
serial interface.
• The MAX232E and MAX213 provide a
higher noise margin for more rugged
environments such as industrial control.
IR
RS-232
Modem
USB
1394
802.11 1284
DVI
TMS320DM64x™
EMIF
Video
Out
Video
In
PCIJTAG
EMAC
SDRAM
TVP5146
TS5V330
TS3V330
Analog MUX
or 5150A
Flash
AMP
forTHS8135 only
Host CPU
Video DAC
THS8200
THS8135
Head-
TS5A23157
Analog
MUX
phone
Volume
Control
Audio DAC
TLV320DAC26
PCI
Bus
McASP
Speaker
ADSL
Cable
Modem
RS-232
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