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PDF MAX3033E Data sheet ( Hoja de datos )
| Número de pieza | MAX3033E | |
| Descripción | 15kV ESD-Protected / 3.3V Quad RS-422 Transmitters | |
| Fabricantes | Maxim Integrated | |
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19-2671; Rev 0; 10/02
±15kV ESD-Protected, 3.3V Quad
RS-422 Transmitters
General Description
The MAX3030E–MAX3033E family of quad RS-422
transmitters send digital data transmission signals over
twisted-pair balanced lines in accordance with TIA/EIA-
422-B and ITU-T V.11 standards. All transmitter outputs
are protected to ±15kV using the Human Body Model.
The MAX3030E–MAX3033E are available with either a
2Mbps or 20Mbps guaranteed baud rate. The 2Mbps
baud rate transmitters feature slew-rate-limiting to mini-
mize EMI and reduce reflections caused by improperly
terminated cables.
The 20Mbps baud rate transmitters feature low-static
current consumption (ICC < 100µA), making them ideal
for battery-powered and power-conscious applications.
They have a maximum propagation delay of 16ns and a
part-to-part skew less than 5ns, making these devices
ideal for driving parallel data. The MAX3030E–
MAX3033E feature hot-swap capability that eliminates
false transitions on the data cable during power-up or
hot insertion.
The MAX3030E–MAX3033E are low-power, ESD-pro-
tected, pin-compatible upgrades to the industry-stan-
dard 26LS31 and SN75174. They are available in
space-saving 16-pin TSSOP and SO packages.
Features
o Meet TIA/EIA-422-B (RS-422) and ITU-T V.11
Recommendation
o ±15kV ESD Protection on Tx Outputs
o Hot-Swap Functionality
o Guaranteed 20Mbps Data Rate (MAX3030E,
MAX3032E)
o Slew-Rate-Controlled 2Mbps Data Rate
(MAX3031E, MAX3033E)
o Available in 16-Pin TSSOP and Narrow SO
Packages
o Low-Power Design (<330µW, VCC = 3.3V Static)
o +3.3V Operation
o Industry-Standard Pinout
o Thermal Shutdown
Telecom Backplanes
V.11/X.21 Interface
Industrial PLCs
Motor Control
Applications
Pin Configurations
TOP VIEW
DI1 1
DO1+ 2
DO1- 3
EN 4
DO2- 5
DO2+ 6
DI2 7
GND 8
MAX3030E/
MAX3031E
16 VCC
15 DI4
14 DO4+
13 DO4-
12 EN
11 DO3-
10 DO3+
9 DI3
TSSOP/SO
DI1 1
DO1+ 2
DO1- 3
EN1&2 4
DO2- 5
DO2+ 6
DI2 7
GND 8
MAX3032E/
MAX3033E
16 VCC
15 DI4
14 DO4+
13 DO4-
12 EN3&4
11 DO3-
10 DO3+
9 DI3
TSSOP/SO
PART
MAX3030ECSE
MAX3030ECUE
MAX3030EESE
MAX3030EEUE
MAX3031ECSE
MAX3031ECUE
MAX3031EESE
MAX3031EEUE
MAX3032ECSE
MAX3032ECUE
MAX3032EESE
MAX3032EEUE
MAX3033ECSE
MAX3033ECUE
MAX3033EESE
MAX3033EEUE
Ordering Information
TEMP RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
16 SO (Narrow)
16 TSSOP
16 SO (Narrow)
16 TSSOP
16 SO (Narrow)
16 TSSOP
16 SO (Narrow)
16 TSSOP
16 SO (Narrow)
16 TSSOP
16 SO (Narrow)
16 TSSOP
16 SO (Narrow)
16 TSSOP
16 SO (Narrow)
16 TSSOP
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
±15kV ESD-Protected, 3.3V Quad
RS-422 Transmitters
Typical Operating Characteristics (continued)
(VCC = +3.3V and TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
100
DRIVERS ENABLED
80
TA = +85°C
60
TA = +25°C
40
20
TA = 0°C
0
01234
SUPPLY VOLTAGE (V)
MAX3030E/MAX3032E
SUPPLY CURRENT vs. DATA RATE
130
ALL FOUR TRANSMITTERS
LOADED AND SWITCHING
120 RL = 100Ω, CL = 200pF
110
100
90
MAX3030E/MAX3032E
SUPPLY CURRENT vs. DATA RATE
30
NO RESISTIVE LOAD, CL = 200pF,
ALL FOUR
25 TRANSMITTERS
SWITCHING
20
15
10
5
0
0.1k 1k 10k 100k 1M 10M 100M
DATA RATE (bps)
MAX3031E/MAX3033E
SUPPLY CURRENT vs. DATA RATE
100
ALL FOUR TRANSMITTERS
LOADED AND SWITCHING
RL = 100Ω, CL = 200pF
97
94
91
MAX3031E/MAX3033E
SUPPLY CURRENT vs. DATA RATE
2.5
NO RESISTIVE LOAD, CL = 200pF,
ALL FOUR
2.0 TRANSMITTERS
SWITCHING
1.5
1.0
0.5
0
0.1k
1k 10k 100k 1M
DATA RATE (bps)
10M
MAX3030E
DRIVER PROPAGATION DELAY
(LOW TO HIGH)
MAX3030E toc09
DI_
1V/div
DIFFERENTIAL
OUTPUT
2V/div
80
0.1k
1k 10k 100k 1M 10M 100M
DATA RATE (bps)
MAX3030E
DRIVER PROPAGATION DELAY
(HIGH TO LOW)
MAX3030E toc10
88
0.1k
1k 10k 100k 1M
DATA RATE (bps)
10M
MAX3031E
DRIVER PROPAGATION DELAY
(LOW TO HIGH)
MAX3030E toc11
DIFFERENTIAL
OUTPUT
2V/div
DI_
1V/div
DIFFERENTIAL
OUTPUT
2V/div
10ns/div
DI_
1V/div
20ns/div
10ns/div
MAX3031E
DRIVER PROPAGATION DELAY
(HIGH TO LOW)
MAX3030E toc12
20ns/div
DIFFERENTIAL
OUTPUT
2V/div
DI_
1V/div
_______________________________________________________________________________________ 5
5 Page 
±15kV ESD-Protected, 3.3V Quad
RS-422 Transmitters
MAX3030E/MAX3031E
DI1 D1
MAX3094
RT R1
R1OUT
DI2 D2
RT R2
R2OUT
DI3 D3
RT R3
R3OUT
DI4 D4
RT R4
R4OUT
EN G
EN G
VCC GND
Figure 14. Typical Connection of a Quad Transmitter and Quad Receiver as a Pair
VCC
GND
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet MAX3033E.PDF ] | |
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