參數(shù)資料
型號： MAX3295AUT-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 通用總線功能
英文描述： 20Mbps, +3.3V, SOT23 RS-485/ RS-422 Transmitters
中文描述： LINE DRIVER, PDSO6
封裝： MO-178, SOT-23, 6 PIN
文件頁數(shù)： 1/11頁
文件大?。?/td> 316K
代理商： MAX3295AUT-T
General Description
The MAX3293/MAX3294/MAX3295 low-power, high-
speed transmitters for RS-485/RS-422 communication
operate from a single +3.3V power supply. These
devices contain one differential transmitter. The
MAX3295 transmitter operates at data rates up to
20Mbps, with an output skew of less than 5ns, and a
guaranteed driver propagation delay below 25ns. The
MAX3293 (250kbps) and MAX3294 (2.5Mbps) are
slew-rate limited to minimize EMI and reduce reflections
caused by improperly terminated cables.
The MAX3293/MAX3294/MAX3295 output level is guar-
anteed at +1.5V with a standard 54
load, compliant
with RS-485 specifications. The transmitter draws 5mA
of supply current when unloaded, and 1μA in low-
power shutdown mode (DE = GND).
Hot-swap circuitry eliminates false transitions on the data
cable during circuit initialization or connection to a live
backplane, and short-circuit current limiting and thermal-
shutdown circuitry protect the driver against excessive
power dissipation.
The MAX3293/MAX3294/MAX3295 are offered in a
6-pin SOT23 package, and are specified over the
automotive temperature range.
Applications
RS-485/RS-422 Communications
Clock Distribution
Telecom Equipment
Automotive
Security Equipment
Point-of-Sale Equipment
Industrial Control
Features
Space-Saving 6-Pin SOT23 Package
250kbps/2.5Mbps/20Mbps Data Rates Available
Operate from a Single +3.3V Supply
ESD Protection
±9kV—Human Body Model
Slew-Rate Limited for Errorless Data
Transmission (MAX3293/MAX3294)
1μA Low-Current Shutdown Mode
-7V to +12V Common-Mode Input Voltage Range
Current Limiting and Thermal Shutdown for
Driver-Overload Protection
Hot-Swap Inputs for Telecom Applications
Automotive Temperature Range (-40°C to +125°C)
M
20Mbps, +3.3V, SOT23 RS-485/
RS-422 Transmitters
________________________________________________________________
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.
1
Selector Guide
Ordering Information
19-2770; Rev 1; 2/03
PART
TEMP RANGE
PIN-
PACKAGE
MAX3293
AUT-T
MAX3294
AUT-T
MAX3295
AUT-T
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
6 SOT23-6
6 SOT23-6
6 SOT23-6
PART
MAXIMUM
DATA RATE
(Mbps)
0.25
2.5
20
SLEW-RATE
LIMITED
TOP
MARK
MAX3293AUT-T
MAX3294AUT-T
MAX3295AUT-T
Yes
Yes
No
ABNI
ABNJ
ABNK
Typical Operating Circuit
MAX3293
MAX3294
MAX3295
D
DI
DE
MAX3280E
MAX3281E
MAX3283E
MAX3284E
R
RO
120
Z
Y
V
CC
Z
DE
1
6
Y
5
GND
DI
MAX3293
MAX3294
MAX3295
SOT23-6
TOP VIEW
2
3
4
Pin Configuration
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