MAX3045BESE+ Maxim Integrated Products, MAX3045BESE+ Datasheet

IC RS485/422 TRANS QUAD 16-SOIC

MAX3045BESE+

Manufacturer Part Number
MAX3045BESE+
Description
IC RS485/422 TRANS QUAD 16-SOIC
Manufacturer
Maxim Integrated Products
Type
Transmitterr
Datasheet
1.MAX3045BEUE.pdf (15 pages)

Specifications of MAX3045BESE+

Number Of Drivers/receivers
4/0
Protocol
RS422, RS485
Voltage - Supply
4.75 V ~ 5.25 V
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX3040–MAX3045 is a family of 5V quad RS-
485/RS-422 transmitters designed for digital data trans-
mission over twisted-pair balanced lines. All transmitter
outputs are protected to ±10kV using the Human Body
Model. In addition the MAX3040–MAX3045 withstand
±4kV per IEC 1000-4-4 Electrical Fast Transient/Burst
Stressing. The MAX3040/MAX3043 (250kbps) and the
MAX3041/MAX3044 (2.5Mbps) are slew-rate limited
transmitters that minimize EMI and reduce reflections
caused by improperly terminated cables, thus allowing
error-free transmission.
The MAX3040–MAX3045 feature a hot-swap capability
that eliminates false transitions on the data cable during
power-up or hot insertion. The MAX3042B/MAX3045B
are optimized for data transfer rates up to 20Mbps, the
MAX3041/MAX3044 for data rates up to 2.5Mbps, and
the MAX3040/MAX3043 for data rates up to 250kbps.
The MAX3040–MAX3045 offer optimum performance
when used with the MAX3093E or MAX3095 5V quad
differential line receivers or MAX3094E/MAX3096 3V
quad differential line receivers.
The MAX3040–MAX3045 are ESD-protected pin-compat-
ible, low-power upgrades to the industry-standard
‘SN75174 and ‘DS26LS31C. They are available in space-
saving TSSOP, narrow SO, and wide SO packages.
19-2143; Rev 1; 12/01
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
MAX3040
MAX3041
MAX3042B
MAX3043
MAX3044
MAX3045B
±10kV ESD-Protected, Quad 5V RS-485/RS-422
PART
Telecommunications Equipment
Industrial Motor Control
Transmitter for ESD-Sensitive Applications
Hand-Held Equipment
Industrial PLCs
Networking
________________________________________________________________ Maxim Integrated Products
DATA RATE
(bps)
250k
2.5M
250k
2.5M
20M
20M
General Description
Selector Guide
INDUSTRY STANDARD
PINOUT
75174, 34C87, LTC487
75174, 34C87, LTC487
75174, 34C87, LTC487
26LS31
26LS31
26LS31
Applications
♦ ESD Protection: ±10kV—Human Body Model
♦ Single +5V Operation
♦ Guaranteed Device-to-Device Skew
♦ Pin-Compatible with ‘SN75174, ‘26LS31C and
♦ Hot-Swappable for Telecom Applications
♦ Up to 20Mbps Data Rate (MAX3042B/MAX3045B)
♦ Slew-Rate Limited (Data Rates at 2.5Mbps and
♦ 2nA Low-Power Shutdown Mode
♦ 1mA Operating Supply Current
♦ ±4kV EFT Fast Transient Burst Immunity per IEC
♦ Level 2 Surge Immunity per IEC 1000-4-5,
♦ Ultra-Small 16-Pin TSSOP, 16-Pin Narrow SO, and
Ordering Information continued at end of data sheet.
MAX3040CUE
MAX3040CSE
MAX3040CWE
MAX3040EUE -40°C to +85°C
MAX3040ESE
MAX3040EWE -40°C to +85°C
Pin Configurations continued at end of data sheet.
(MAX3040/MAX3041/MAX3043/MAX3044)
LTC487
250kbps)
1000-4-4
Unshielded Cable Model
Wide 16-Pin SO
PART
TOP VIEW
-40°C to +85°C
EN12
T1IN
T2IN
GND
TEMP RANGE
Y1
Z1
Z2
Y2
0°C to +70°C
0°C to +70°C
0°C to +70°C
1
2
3
4
5
6
8
7
16 TSSOP/SO
Ordering Information
MAX3042B
MAX3040
MAX3041
Transmitters
Pin Configurations
PIN-PACKAGE
16 TSSOP
16 Narrow SO
16 Wide SO
16 TSSOP
16 Narrow SO
16 Wide SO
16
15
14
13
12
11
10
9
V
T4IN
Y4
Z4
EN34
Z3
Y3
T3IN
CC
Features
250kbps
250kbps
250kbps
250kbps
250kbps
250kbps
DATA
RATE
1

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MAX3045BESE+ Summary of contents

Page 1

... MAX3044 2.5M 26LS31 MAX3045B 20M 26LS31 ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ ESD Protection: ±10kV—Human Body Model ♦ Single +5V Operation ♦ Guaranteed Device-to-Device Skew (MAX3040/MAX3041/MAX3043/MAX3044) ♦ ...

Page 2

ESD-Protected, Quad 5V RS-485/RS-422 Transmitters ABSOLUTE MAXIMUM RATINGS All voltages referenced to ground (GND). Supply Voltage (V ).............................................................+7V CC EN, EN_) .........-0. Control Input Voltage (EN, Driver Input Voltage (T_IN).........................-0. Driver Output Voltage (Y_, Z_) ...

Page 3

ESD-Protected, Quad 5V RS-485/RS-422 SWITCHING CHARACTERISTICS—MAX3040/MAX3043 (V = +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Maximum Data Rate f Driver Propagation Delay Driver Differential ...

Page 4

ESD-Protected, Quad 5V RS-485/RS-422 Transmitters SWITCHING CHARACTERISTICS—MAX3041/MAX3044 (continued +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Driver Enable from Shutdown to t ZH(SHDN) ...

Page 5

ESD-Protected, Quad 5V RS-485/RS-422 (V = +5V +25°C, unless otherwise noted MAX3040/MAX3043 SUPPLY CURRENT vs. DATA RATE 45 NO LOAD 40 ALL FOUR TRANSMITTERS SWITCHING 0.1 1 ...

Page 6

ESD-Protected, Quad 5V RS-485/RS-422 Transmitters PIN MAX3040/MAX3041/ MAX3043/MAX3044/ MAX3042B MAX3045B — — — — 13 ...

Page 7

ESD-Protected, Quad 5V RS-485/RS-422 Detailed Description The MAX3040–MAX3045 are quad RS-485/RS-422 trans- mitters. They operate from a single +5V power supply and are designed to give optimum performance when used with the MAX3093E/MAX3095 5V quad RS-485/ RS-422 receivers or ...

Page 8

ESD-Protected, Quad 5V RS-485/RS-422 Transmitters The Machine Model for ESD testing uses a 200pF stor- age capacitor and zero-discharge resistance. It mimics the stress caused by handling during manufacturing and assembly. Of course, all pins (not just RS-485 inputs) ...

Page 9

ESD-Protected, Quad 5V RS-485/RS-422 IEC 1000-4-4 Burst/Electrical Fast Transient Test Levels (For Communication Lines) The stresses are applied while the MAX3040–MAX3045 are powered up. Test results are reported as: 1) Normal performance within the specification limits. 2) Temporary degradation ...

Page 10

ESD-Protected, Quad 5V RS-485/RS-422 Transmitters EN Figure 9. Simplified Structure of the Driver Enable Pin (EN) required input current. At this time the SR latch resets and Q1 turns off. When Q1 turns off, EN reverts to a standard, ...

Page 11

ESD-Protected, Quad 5V RS-485/RS-422 Table 2. Function Table for MAX3040/ MAX3041/MAX3042B (Each Pair of Transmitters) INPUT EN_ High Logic High X = Don’t Care L = Logic Low ...

Page 12

ESD-Protected, Quad 5V RS-485/RS-422 Transmitters MAX3043–MAX3045 T1IN T2IN T3IN T4IN Figure 13. Typical Connection of a Quad Transmitter and a Quad Receiver as a Pair Typical Multiple-Point Connection Figure 14 shows a typical multiple-point connection ...

Page 13

ESD-Protected, Quad 5V RS-485/RS-422 1/4 MAX3040–MAX3045 1/4 MAX3095 Figure 12. Typical Connection for Multiple-Point RS-485 Bus PART TEMP RANGE PIN-PACKAGE MAX3041CUE 0°C to +70°C 16 TSSOP MAX3041CSE 0°C to +70°C 16 Narrow SO MAX3041CWE 0°C to +70°C 16 Wide ...

Page 14

ESD-Protected, Quad 5V RS-485/422 Transmitters TEMP. PART PIN-PACKAGE RANGE MAX3041CUE + TSSOP MAX3041CSE + Narrow SO MAX3041CWE + Wide SO MAX3041EUE - ...

Page 15

... 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 15 © 2001 Maxim Integrated Products ...

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