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MAX3384E Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX3384E
Description  ±15kV ESD-Protected, 3.0V to 5.5V, Low-Power, up to 250kbps, True RS-232 Transceiver
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3384E Datasheet(HTML) 1 Page - Maxim Integrated Products

 
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________________General Description
The MAX3384E is a 3V-powered EIA/TIA-232 and
V.28/V.24 communications interface with low power
requirements, high data-rate capabilities, and en-
hanced electrostatic discharge (ESD) protection. All
transmitter outputs and receiver inputs are protected to
±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV
using IEC 1000-4-2 Contact Discharge, and ±15kV
using the Human Body Model.
The transceiver has a proprietary low-dropout transmit-
ter output stage, delivering true RS-232 performance
from a +3.0V to +5.5V supply with a dual charge pump.
The charge pump requires only four small 0.1µF capac-
itors for operation from a +3.3V supply. Each device is
guaranteed to run at data rates of 250kbps while main-
taining RS-232 output levels.
The MAX3384E has two receivers and two drivers. It
features a 1µA shutdown mode that reduces power con-
sumption and extends battery life in portable systems.
The MAX3384E is available in a space-saving SSOP
package in either the commercial (0°C to +70°C) or
extended temperature (-40°C to +85°C) range.
________________________Applications
Hand-Held Equipment
Battery-Powered
Peripherals
Equipment
Printers
PDAs
____________________________Features
o ESD Protection for RS-232 I/O Pins
±15kV—Human Body Model
±8kV—IEC 1000-4-2, Contact Discharge
±15kV—IEC 1000-4-2, Air-Gap Discharge
o Latchup Free
o 300µA Supply Current
o 1µA Low-Power Shutdown
o 250kbps Guaranteed Data Rate
o 250µs Time to Exit Shutdown with 3kΩ Load on V+
o 6V/µs Guaranteed Slew Rate
o Transmitter and Receiver Outputs High
Impedance in Shutdown
o Meets EIA/TIA-232 Specifications Down to 3.0V
±15kV ESD-Protected, 3.0V to 5.5V, Low-Power,
up to 250kbps, True RS-232 Transceiver
________________________________________________________________ Maxim Integrated Products
1
20
19
18
17
16
15
14
13
1
2
3
8
12
11
10
4
5
6
7
SHDN
VCC
GND
T1OUT
C1-
V+
C1+
N.C.
R1IN
R1OUT
T2IN
R2OUT
T2OUT
V-
C2-
C2+
9
R2IN
N.C.
SSOP
T1IN
N.C.
MAX3384E
TOP VIEW
MAX3384E
R2OUT
R1OUT
R2IN
GND
RS-232
OUTPUTS
TTL/CMOS
INPUTS
T2IN
T1IN
C2-
C2+
C1-
C1+
R1IN
T2OUT
T1OUT
V-
V+
VCC
C1
0.1
µF
C2
0.1
µF
CBYPASS
+3.3V
RS-232
INPUTS
TTL/CMOS
OUTPUTS
5k
5k
SHDN
C3
*
0.1
µF
C4
0.1
µF
* C3 CAN BE RETURNED TO EITHER VCC OR GROUND.
NOTE: SEE TABLE 2 FOR CAPACITOR SELECTION
Pin Configurations
19-1949; Rev 0; 1/01
Covered by U.S. Patent numbers 4,636,930; 4,679,134; 4,777,577; 4,797,899; 4,809,152; 4,897,774; 4,999,761; and other patents pending.
Typical Operating Circuit
Ordering Information
PART
MAX3384ECAP
MAX3384EEAP
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
20 SSOP
20 SSOP
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
MAX3384ECWN
0°C to +70°C
18 SO
Pin Configurations continued at end of data sheet.


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