The MAX200-MAX211/MAX213 transceivers are
designed for RS-232 and V.28 communication interfaces
where ±12V supplies are not available. On-board
charge pumps convert the +5V input to the ±10V needed
for RS-232 output levels. The MAX201 and MAX209
operate from +5V and +12V, and contain a +12V to
-12V charge-pump voltage converter.
The MAX200-MAX211/MAX213 drivers and receivers
meet all EIA/TIA-232E and CCITT V.28 specifications at
a data rate of 20kbps. The drivers maintain the ±5V
EIA/TIA-232E output signal levels at data rates in
excess of 120kbps when loaded in accordance with the
EIA/TIA-232E specification.
The 5µW shutdown mode of the MAX200, MAX205,
MAX206, and MAX211 conserves energy in battery powered
systems. The MAX213 has an active-low shutdown
and an active-high receiver enable control. Two
receivers of the MAX213 are active, allowing ring indicator
(RI) to be monitored easily using only 75µW power.
The MAX211 and MAX213 are available in a 28-pin
wide small-outline (SO) package and a 28-pin shrink
small-outline (SSOP) package, which occupies only
40% of the area of the SO. The MAX207 is now available
in a 24-pin SO package and a 24-pin SSOP. The
MAX203 and MAX205 use no external components,
and are recommended for applications with limited
circuit board space.
Key Features
Applications/Uses
For Low-Cost Applications:
MAX221E: ±15kV ESD-Protected, +5V, 1µA,
Single RS-232 Transceiver with AutoShutdown™
For Low-Voltage and Space-Constrained
Applications:
MAX3222E/MAX3232E/MAX3237E/MAX3241E/
MAX3246E: ±15kV ESD-Protected, Down to 10nA,
+3.0V to +5.5V, Up to 1Mbps, True RS-232
Transceivers (MAX3246E Available in UCSP™
Package)
For Space-Constrained Applications:
MAX3228E/MAX3229E: ±15kV ESD-Protected,
+2.5V to +5.5V, RS-232 Transceivers in UCSP
For Low-Voltage or Data Cable Applications:
MAX3380E/MAX3381E: +2.35V TO +5.5V, 1µA,
2Tx/2Rx RS-232 Transceivers with ±15kV ESDProtected
I/O and Logic Pins
For Low-Power Applications:
MAX3224E-MAX3227E/MAX3244E/MAX3245E:
±15kV ESD-Protected, 1µA, 1Mbps, +3.0V to
+5.5V, RS-232 Transceivers with AutoShutdown
Plus™
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