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MAX3384E Datasheet

  • MAX3384E

  • " ?à15kV ESD-Protected, 3.0V to 5.5V, Low-Power, Up to 250k...

  • Maxim   Maxim

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19-1949; Rev 0; 1/01
鹵15kV ESD-Protected, 3.0V to 5.5V, Low-Power,
up to 250kbps, True RS-232 Transceiver
________________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
鹵15kV using IEC 1000-4-2 Air-Gap Discharge, 鹵8kV
using IEC 1000-4-2 Contact Discharge, and 鹵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 0.1碌F 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 1碌A(chǔ) 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擄C to +70擄C) or
extended temperature (-40擄C to +85擄C) range.
____________________________Features
o
ESD Protection for RS-232 I/O Pins
鹵15kV鈥擧uman Body Model
鹵8kV鈥擨EC 1000-4-2, Contact Discharge
鹵15kV鈥擨EC 1000-4-2, Air-Gap Discharge
o
Latchup Free
o
300碌A(chǔ) Supply Current
o
1碌A(chǔ) Low-Power Shutdown
o
250kbps Guaranteed Data Rate
o
250碌s Time to Exit Shutdown with 3k鈩?Load on V+
o
6V/碌s Guaranteed Slew Rate
o
Transmitter and Receiver Outputs High
Impedance in Shutdown
o
Meets EIA/TIA-232 Specifications Down to 3.0V
MAX3384E
鈥?/div>
Ordering Information
PART
MAX3384ECAP
MAX3384ECWN
MAX3384EEAP
TEMP. RANGE
0擄C to +70擄C
0擄C to +70擄C
-40擄C to +85擄C
PIN-PACKAGE
20 SSOP
18 SO
20 SSOP
________________________Applications
Hand-Held Equipment
Peripherals
Printers
Battery-Powered
Equipment
PDAs
+3.3V
C
BYPASS
C1
0.1碌F
Typical Operating Circuit
C1+
C1-
V
CC
V+
C3
*
0.1碌F
C4
0.1碌F
Pin Configurations
TOP VIEW
N.C. 1
C1+ 2
V+ 3
C1- 4
C2+ 5
C2- 6
V- 7
T2OUT 8
R2IN 9
N.C. 10
20 SHDN
19 V
CC
18 GND
17 T1OUT
TTL/CMOS
INPUTS
C2
0.1碌F
MAX3384E
C2+
C2-
T1IN
T1OUT
RS-232
OUTPUTS
T2IN
T2OUT
V-
MAX3384E
16 R1IN
15 R1OUT
14 T1IN
13 T2IN
12 R2OUT
11 N.C.
TTL/CMOS
OUTPUTS
R1OUT
R1IN
5k
RS-232
INPUTS
R2OUT
R2IN
5k
GND
SHDN
SSOP
Pin Configurations continued at end of data sheet.
*
C3 CAN BE RETURNED TO EITHER V
CC
OR GROUND.
NOTE: SEE TABLE 2 FOR CAPACITOR SELECTION
鈥?/div>
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.
________________________________________________________________
Maxim Integrated Products
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim鈥檚 website at www.maxim-ic.com.

MAX3384E PDF文件相關(guān)型號

MAX3384ECAP,MAX3384ECWN,MAX3384EEAP

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