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MAX221ECUE Datasheet

  • MAX221ECUE

  • ±15kV ESD保護(hù)、+5V、1μA、單路RS-232收發(fā)器，帶有AutoShutdow...

  • 12頁(yè)

  • MAXIM   MAXIM

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19-1527; Rev 0; 8/99
鹵15kV ESD-Protected, +5V, 1碌A(chǔ), Single RS-232
Transceiver with AutoShutdown
General Description
The MAX221E is a +5V powered, single transmit/
receive RS-232 and V.28 communications interface with
automatic shutdown/wake-up features and high data
rate capabilities.
The MAX221E features enhanced electrostatic discharge
(ESD) protection. Both the transmitter output and receiver
input are protected to 鹵15kV using the IEC 1000-4-2 Air-
Gap Discharge Method, to 鹵8kV using the IEC 1000-4-2
Contact Discharge Method, and to 鹵15kV using the
Human Body Model.
The MAX221E achieves a low 1碌A(chǔ) supply current with
Maxim鈥檚 revolutionary AutoShutdown鈩?feature.
AutoShutdown saves power without changes to the
existing BIOS or operating system by entering low-
power shutdown mode when the RS-232 cable is dis-
connected or when the transmitter of the connected
peripheral is off. The MAX221E wakes up and drives the
INVALID
pin high when an active RS-232 cable is con-
nected, signaling the host that a peripheral is connected
to the communications port.
The MAX221E is available in a 16-pin SSOP package as
well as a 16-pin TSSOP that uses 50% less board space
than a 16-pin SO.
Features
o
Single RS-232 Transceiver in a Small 16-Pin TSSOP
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
1碌A(chǔ) Supply Current
o
AutoShutdown Saves Power without Changes
to BIOS
o
Guaranteed 250kbps Data Rate
MAX221E
Ordering Information
PART
MAX221ECUE
MAX221ECAE
MAX221EEUE
MAX221EEAE
TEMP. RANGE
0擄C to +70擄C
0擄C to +70擄C
40擄C to +85擄C
40擄C to +85擄C
PIN-PACKAGE
16 TSSOP
16 SSOP
16 TSSOP
16 SSOP
Applications
Maintenance/Diagnostic Ports
Industrial Systems
Telecommunications
Set-Top Boxes
C
BYPASS
0.1碌F
+5V
Typical Operating Circuit
15
2 C1+
4 C1-
5
C2+
C2-
TOUT 13
V
CC
V+
3
C3
0.1碌F
Pin Configuration
TOP VIEW
EN 1
C1+ 2
V+ 3
C1- 4
C2+ 5
C2- 6
V- 7
RIN 8
16 FORCEOFF
15 V
CC
14 GND
C1
0.1碌F
MAX221E
V-
7
C4
0.1碌F
C2
0.1碌F
6
11 TIN
9 ROUT
5k
RIN 8
MAX221E
13 TOUT
12 FORCEON
11 TIN
10 INVALID
9
ROUT
12
FORCEON
GND
14
FORCEOFF
16
1
EN
INVALID
10
TO POWER-
MANAGEMENT
UNIT
V
CC
TSSOP/SSOP
AutoShutdown is a trademark of Maxim Integrated Products.
CAPACITORS MAY BE
POLARIZED OR UNPOLARIZED.
________________________________________________________________
Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.

MAX221ECUE 產(chǎn)品屬性

  • Maxim Integrated Products

  • 250 Kbps

  • 5 V

  • 10 mA

  • 0 C to + 70 C

  • Transceiver

  • 1

  • 4

  • 1

  • 0.15 us

  • Yes

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