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MAX3160 Datasheet

  • MAX3160

  • "+3.0V to +5.5V, 1?A, RS-232/RS-485/RS-422 Multiprotocol Tra...

  • 358.04KB

  • Maxim

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19-1722; Rev 1; 9/00
+3.0V to +5.5V, 1碌A, RS-232/RS-485/422
Multiprotocol Transceivers
General Description
The MAX3160/MAX3161/MAX3162 are programmable
RS-232/RS-485/422 multiprotocol transceivers. The
MAX3160/MAX3161 are pin programmable as a 2Tx/2Rx
RS-232 interface or a single RS-485/422 transceiver. The
MAX3162 is configured as a 2Tx/2Rx RS-232 interface
and a single RS-485/422 transceiver simultaneously.
All devices incorporate a proprietary low-dropout trans-
mitter output stage and an on-board dual charge pump
to allow RS-232 and RS-485/422 compliant perfor-
mance from a +3V to +5.5V supply. The receivers
feature true fail-safe circuitry that guarantees a logic-
high receiver output when the receiver inputs are open
or shorted. These devices also feature pin-selectable
transmitter slew rates for both RS-232 and RS-485/422
modes. Slew-rate limiting minimizes EMI and reduces
reflections caused by improperly terminated cables,
allowing error-free data transmission up to 250kbps.
Disabling slew-rate limiting allows these devices to
transmit at data rates up to 10Mbps in RS-485/422
mode and up to 1Mbps in RS-232 mode. The
MAX3160/MAX3161/MAX3162 feature a 1碌A shutdown
mode, and short-circuit limiting and thermal shutdown
circuitry to protect against excessive power dissipation.
The MAX3160/MAX3162 offer a flow-through pinout that
facilitates board layout. The MAX3160/MAX3161/
MAX3162 are available in tiny SSOP packages and
operate over the commercial and extended tempera-
ture ranges.
Features
o
Single-Supply Operation from +3V to +5.5V
o
Pin-Programmable as 2Tx/2Rx RS-232 or Single
RS-485/422 (MAX3160/MAX3161)
o
2Tx/2Rx RS-232 and Single RS-485/422 (MAX3162)
o
Pin-Programmable RS-232/RS-485 Transmitter
Slew Rates Reduce EMI
o
10Mbps RS-485 and 1Mbps RS-232 Data Rates
o
Pin-Programmable Half-Duplex or Full-Duplex
RS-485/422 Operation (MAX3160/MAX3161)
o
RS-485/422 True Fail-Safe Receivers
o
Transmitters and Receivers Protected Against
Wiring Faults
o
1碌A Shutdown Supply Current
o
1/8-Unit Load Allows up to 256 Transceivers on
the Bus
MAX3160/MAX3161/MAX3162
Typical Operating Circuit
+3V TO +5.5V
________________________Applications
Point-of-Sales Equipment
Industrial Controls
RS-232 to RS-485
Interface Converters
Peripherals
Networking
1
V
CC
RS485/RS-232 11
Tx
13
MAX3100
11
DI/T1IN
MAX3160
Z(B)/T1OUT
5
Y(A)/T2OUT
6
A/R2IN
13
B/R1IN
14
GND FAST HDPLX SHDN
SPI
4
10
12
9
RJ45
DB9
Ordering Information
PART
MAX3160CAP
MAX3160EAP
MAX3161CAG
MAX3161EAG
MAX3162CAI
MAX3162EAI
TEMP. RANGE
0掳C to +70掳C
-40掳C to +85掳C
0掳C to +70掳C
-40掳C to +85掳C
0掳C to +70掳C
-40掳C to +85掳C
PIN-PACKAGE
20 SSOP
20 SSOP
24 SSOP
24 SSOP
28 SSOP
28 SSOP
碌P
16
RTS DE/T2IN
15
Rx RO/R2OUT
8
12
CTS R1OUT
10
7
SHDN
Pin Configurations appear at end of data sheet.
Selector Guide appears at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

MAX3160 PDF文件相关型号

MAX3160CAP,MAX3161,MAX3161CAG,MAX3161EAG,MAX3162,MAX3162CAI,MAX3162EAI

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