MAX3160EEAP-T Maxim Integrated, MAX3160EEAP-T Datasheet

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MAX3160EEAP-T

Manufacturer Part Number
MAX3160EEAP-T
Description
RS-422/RS-485 Interface IC
Manufacturer
Maxim Integrated
Datasheet
1.MAX3160EEAPGH9-T.pdf (26 pages)

Specifications of MAX3160EEAP-T

Data Rate
250 Kbps
Operating Supply Voltage
3 V to 5.5 V
Supply Current
2.5 mA
Operating Temperature Range
0 C to + 70 C
Mounting Style
SMD/SMT
Package / Case
SSOP-20
Function
Line Transceiver
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Drivers
1
Number Of Receivers
1
Product
RS-422/RS-485 Combination
Propagation Delay Time Ns
0.15 us
The MAX3160E/MAX3161E/MAX3162E are programma-
ble RS-232/RS-485/RS-422 multiprotocol transceivers.
The MAX3160E/MAX3161E are pin programmable as a
2Tx/2Rx RS-232 interface or a single RS-485/RS-422
transceiver. The MAX3162E is configured as a 2Tx/2Rx
RS-232 interface, and a single RS-485/RS-422 trans-
ceiver simultaneously.
The MAX3160E/MAX3161E/MAX3162E feature enhanced
electrostatic discharge (ESD) protection. All of the trans-
mitter outputs and receiver inputs are protected to ±15kV
using the Human Body Model.
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-/RS-422-compliant perfor-
mance from a +3V to +5.5V supply. The receivers feature
true fail-safe circuitry that guarantees a logic-high receiv-
er output when the receiver inputs are open or shorted.
These devices also feature pin-selectable transmitter
slew rates for RS-232 and RS-485/RS-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/RS-422 mode and up to 1Mbps in
RS-232 mode. The MAX3160E/MAX3161E/MAX3162E
feature a 10nA shutdown mode, short-circuit limiting, and
thermal shutdown circuitry to protect against excessive
power dissipation.
The MAX3160E/MAX3162E offer a flow-through pin-
out that facilitates board layout. The MAX3160E/
MAX3161E/MAX3162E are available in tiny SSOP pack-
ages and operate over the commercial and extended
temperature ranges.
19-3580; Rev 0; 2/05
Pin Configurations appear at end of data sheet.
Selector Guide appears at end of data sheet.
________________________Applications
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.
RS-232/RS-485/RS-422 Multiprotocol Transceivers
Point-of-Sales Equipment
Industrial Controls
RS-232 to RS-485
Interface Converters
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
________________________________________________________________ Maxim Integrated Products
General Description
Peripherals
Networking
Security Systems
♦ Single Supply Operation from +3V to +5.5V
♦ ESD Protection
♦ Pin-Selectable as 2Tx/2Rx RS-232 or Single
♦ 2Tx/2Rx RS-232 and Single RS-485/RS-422
♦ Pin-Selectable RS-232/RS-485 Transmitter Slew
♦ 10Mbps RS-485 and 1Mbps RS-232 Data Rates
♦ Pin-Selectable Half-Duplex or Full-Duplex
♦ RS-485/RS-422 True Fail-Safe Receivers
♦ 10nA Shutdown Supply Current
♦ 1/8-Unit Load Allows up to 256 Transceivers on
MAX3160ECAP
MAX3160EEAP
MAX3161ECAG
MAX3161EEAG
MAX3162ECAI
MAX3162EEAI
RS-485/RS-422 (MAX3160E/MAX3161E)
(MAX3162E)
Rates Reduce EMI
RS-485/RS-422 Operation (MAX3160E/MAX3161E)
the Bus
MAX3100
PART
±15kV Human Body Model
µP
SPI
CTS
RTS
TX
RX
11
12
13
10
SHDN
Typical Operating Circuit
16
15
7
8
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
GND FAST HDPLX SHDN
DI/T1IN
DE485/T2IN
RO/R2OUT
R1OUT
0°C to +70°C
0°C to +70°C
0°C to +70°C
4
+3V TO +5.5V
MAX3160E
10
Ordering Information
V
RS-485/RS232
CC
2
Z(B)/T1OUT
Y(A)/T2OUT
12
A/R2IN
B/R1IN
9
11
13
14
5
6
PIN-
PACKAGE
20 SSOP
20 SSOP
24 SSOP
24 SSOP
28 SSOP
28 SSOP
Features
RJ45
PACKAGE
CODE
A20-2
A20-2
A24-3
A24-3
A28-1
A28-1
DB9
1

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MAX3160EEAP-T Summary of contents

Page 1

... Shutdown Supply Current ♦ 1/8-Unit Load Allows up to 256 Transceivers on the Bus Ordering Information PIN- PART TEMP RANGE PACKAGE MAX3160ECAP 0°C to +70°C 20 SSOP MAX3160EEAP -40°C to +85°C 20 SSOP MAX3161ECAG 0°C to +70°C 24 SSOP MAX3161EEAG -40°C to +85°C 24 SSOP MAX3162ECAI 0°C to +70°C ...

Page 2

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers ABSOLUTE MAXIMUM RATINGS V to GND. .............................................................-0. GND ................................................................-0. GND. ................................................................-7V to +0. (Note 1)....................................................................+13V Input Voltages RE485, TE232, ...

Page 3

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers ELECTRICAL CHARACTERISTICS (continued +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10 0.047µF and C2, C3 0.33µF when tested at +5V±10 ...

Page 4

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers ELECTRICAL CHARACTERISTICS (continued +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10 0.047µF and C2, C3 0.33µF when tested at +5V±10 ...

Page 5

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers ELECTRICAL CHARACTERISTICS (continued +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10 0.047µF and C2, C3 0.33µF when tested at +5V±10 ...

Page 6

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers (V = +3.3V, 250kbps data rate BYPASS ground +25°C, unless otherwise noted.) A RS-232 TRANSMITTER SLEW RATE vs. LOAD CAPACITANCE (FAST = 110 100 ...

Page 7

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers (V = +3.3V, 250kbps data rate, C BYPASS CC ground +25°C, unless otherwise noted.) A RECEIVER OUTPUT CURRENT vs. RECEIVER-OUTPUT HIGH VOLTAGE ...

Page 8

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers (V = +3.3V, 250kbps data rate BYPASS ground +25°C, unless otherwise noted.) A MAX3160E RS-232 TRANSMITTER PROPAGATION (FAST = GND, 250kbps 1000pF ...

Page 9

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers PIN MAX3160E MAX3161E MAX3162E — — — — — 6 — 6 — 6 — — ...

Page 10

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers PIN MAX3160E MAX3161E MAX3162E 13 — — 14 — — — — 15 — — — — 16 — — — ...

Page 11

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers RS-232 MODE CHARGE PUMP C1 BYPASS GND RS-232 OUTPUTS LOGIC OUTPUTS ...

Page 12

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers RS-232 MODE CHARGE PUMP C1 BYPASS GND 4 T1 RS-232 5 OUTPUT RS-232 8 OUTPUT R1 9 LOGIC ...

Page 13

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers MAX3162E Functional Diagram CHARGE PUMP C1 BYPASS GND 4 RS-232 5 OUTPUT Z 6 RS-485 D OUTPUTS Y 7 RS-232 8 ...

Page 14

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers +3V 0V 1.5V INPUT OUTPUT 50% t PHL RSKEW PLH PHL Figure 5. RS-232 Receiver Propagation-Delay Timing DPLH ...

Page 15

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers Detailed Description The MAX3160E/MAX3161E/MAX3162E +3V to +5.5V, multiprotocol transceivers can be pin-configured in a number of RS-232 and RS-485/RE-422 interface combi- nations. These circuit configurations are ideal for the design of ...

Page 16

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers magnitude of either output voltage is less than +5.5V, the charge pumps are enabled. If the magnitude of both output voltages exceeds +5.5V, the charge pumps are disabled. Each charge pump ...

Page 17

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers 40µs/div Figure 12. RS-232 Transmitter Outputs when Exiting Shutdown The Machine Model for ESD testing uses a 200pF stor- age capacitor and zero-discharge resistance. It mimics the stress caused by handling ...

Page 18

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers RS-232 Transmitter Outputs when Exiting Shutdown Figure 12 shows two transmitter outputs when exiting shutdown mode. As they become active, the two trans- mitter outputs are shown going to opposite RS-232 ...

Page 19

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers R OUT 1µs/div 1µs/div Figure 15. MAX3161E/MAX3162E RS-232 Loopback Test Result at 250kbps, FAST = Low M The Typical Operating Circuit shows a standard appli- cation for the MAX3160E. The MAX3160E’s ...

Page 20

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers MAX3160E MAX3161E MAX3162E A 120Ω RE485 DE485 120Ω NOTE: RE485 ON MAX3162E ONLY Figure 17. RS-485 Line Repeater 20 ______________________________________________________________________________________ DATA ...

Page 21

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers RS-232 Transmitters Truth Tables Table 1. MAX3160E INPUTS DI/T1IN, RS-485/ SHDN ...

Page 22

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers Table 7. MAX3160E INPUTS SHDN RS-485 ...

Page 23

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers Table 11. MAX3161E SHDN RS-485/RS-232 Table 12. MAX3162E INPUTS SHDN ...

Page 24

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers Table 14. Cable Connections Commonly Used for EIA/TIA-232 and V.24 Asynchronous Interfaces MAX3160E EIA/TIA-232 CONNECTOR MAX3161E STANDARD PIN MAX3162E EQUIVALENT DCD DTR DSR ...

Page 25

ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers TOP VIEW C1 C2 C2- GND MAX3160E Z(B)/T1OUT 5 16 DI/T1IN Y(A)/T2OUT 6 15 DE485/T2IN R1OUT 7 14 ...

Page 26

... 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. 26 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products INCHES ...

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