MAX3384ECWN+ Maxim Integrated Products, MAX3384ECWN+ Datasheet

IC TXRX RS232 250KBPS 18-SOIC

MAX3384ECWN+

Manufacturer Part Number
MAX3384ECWN+
Description
IC TXRX RS232 250KBPS 18-SOIC
Manufacturer
Maxim Integrated Products
Type
Line Transceiverr
Datasheet
1.MAX3384ECWN.pdf (11 pages)

Specifications of MAX3384ECWN+

Number Of Drivers/receivers
2/2
Protocol
RS232
Voltage - Supply
3 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
18-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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
________________General Description
19-1949; Rev 0; 1/01
†
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.
Pin Configurations continued at end of data sheet.
±15kV ESD-Protected, 3.0V to 5.5V, Low-Power,
C.
Hand-Held Equipment
Peripherals
Printers
TOP VIEW
T2OUT
R2IN
N.C.
N.C.
C1+
C2+
C1-
C2-
V+
V-
________________________________________________________________ Maxim Integrated Products
up to 250kbps, True RS-232 Transceiver
10
1
2
3
4
5
6
7
8
9
MAX3384E
Pin Configurations
SSOP
Battery-Powered
Equipment
PDAs
17
14
13
20
19
18
16
15
12
11
SHDN
V
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
N.C.
CC
____________________________Features
o ESD Protection for RS-232 I/O Pins
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
o Meets EIA/TIA-232 Specifications Down to 3.0V
MAX3384ECAP
MAX3384ECWN
MAX3384EEAP
Impedance in Shutdown
*
C3 CAN BE RETURNED TO EITHER V
NOTE: SEE TABLE 2 FOR CAPACITOR SELECTION
TTL/CMOS
TTL/CMOS
OUTPUTS
±15kV—Human Body Model
±8kV—IEC 1000-4-2, Contact Discharge
±15kV—IEC 1000-4-2, Air-Gap Discharge
PART
C
INPUTS
BYPASS
0.1µF
0.1µF
C2
C1
+3.3V
Typical Operating Circuit
T1IN
T2IN
C1+
C1-
C2-
C2+
R1OUT
R2OUT
-40°C to +85°C
TEMP. RANGE
Ordering Information
0°C to +70°C
0°C to +70°C
CC
OR GROUND.
MAX3384E
GND
V
CC
T1OUT
T2OUT
SHDN
5k
R1IN
R2IN
5k
V+
V-
PIN-PACKAGE
20 SSOP
18 SO
20 SSOP
C3
0.1µF
C4
0.1µF
RS-232
OUTPUTS
RS-232
INPUTS
*
1

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MAX3384ECWN+ Summary of contents

Page 1

... N.C. 10 SSOP Pin Configurations continued at end of data sheet. † C. ________________________________________________________________ Maxim Integrated Products 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. ____________________________Features o ESD Protection for RS-232 I/O Pins ±15kV—Human Body Model ±8kV—IEC 1000-4-2, Contact Discharge ± ...

Page 2

ESD-Protected, 3.0V to 5.5V, Low-Power 250kbps, True RS-232 Transceiver ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0. GND (Note 1) ..................................................-0. GND (Note 1) ...................................................+0. ...

Page 3

ESD-Protected, 3.0V to 5.5V, Low-Power 250kbps, True RS-232 Transceiver ELECTRICAL CHARACTERISTICS (continued +3V to +5.5V, for tests at 3.3V ±10%, C1–C4 = 0.1µF; for tests at +5V ±10 0.047µF, C2–C4 = 0.33µF; CC ...

Page 4

ESD-Protected, 3.0V to 5.5V, Low-Power 250kbps, True RS-232 Transceiver __________________________________________Typical Operating Characteristics (V = +3.3V, 250kbps data rate, 0.1µF capacitors, all transmitters loaded with 3kΩ and C CC TRANSMITTER OUTPUT VOLTAGE vs. LOAD CAPACITANCE ...

Page 5

ESD-Protected, 3.0V to 5.5V, Low-Power 250kbps, True RS-232 Transceiver V CC 0.1µ C1+ C1 C1- MAX3384E C2+ C2 C2- T_ OUT OUT 5kΩ V SHDN CC GND MINIMUM SLEW-RATE TEST ...

Page 6

ESD-Protected, 3.0V to 5.5V, Low-Power 250kbps, True RS-232 Transceiver 5V/div 0 2V/div 3.3V CC C1–C4 = 0.1µF 40µs/div Figure 2. Transmitter Outputs Exiting Shutdown or Powering Up pumps are shut off pulled ...

Page 7

ESD-Protected, 3.0V to 5.5V, Low-Power 250kbps, True RS-232 Transceiver 1500Ω DISCHARGE CHARGE-CURRENT RESISTANCE LIMIT RESISTOR HIGH STORAGE VOLTAGE 100pF CAPACITOR DC SOURCE Figure 3a. Human Body ESD Test Model R ...

Page 8

ESD-Protected, 3.0V to 5.5V, Low-Power 250kbps, True RS-232 Transceiver Transmitter Outputs when Exiting Shutdown Figure 2 shows two transmitter outputs when exiting shutdown mode. As they become active, the two trans- mitter outputs are shown going to ...

Page 9

ESD-Protected, 3.0V to 5.5V, Low-Power 250kbps, True RS-232 Transceiver Table 3. Logic-Family Compatibility with Various Supply Voltages SYSTEM V SUPPLY CC POWER-SUPPLY VOLTAGE VOLTAGE (V) (V) 3.3 3 3.3 Interconnection with 3V and 5V ...

Page 10

ESD-Protected, 3.0V to 5.5V, Low-Power 250kbps, True RS-232 Transceiver ________________________________________________________Package Information 10 ______________________________________________________________________________________ ...

Page 11

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 11 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2001 Maxim Integrated Products ...

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