參數(shù)資料
型號(hào)： SSNN6655HHVVDD3329
廠商： Texas Instruments, Inc.
英文描述： 3.3V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS
中文描述： 3.3全雙工RS - 485驅(qū)動(dòng)器和接收
文件頁(yè)數(shù)： 1/25頁(yè)
文件大?。?/td> 593K
代理商： SSNN6655HHVVDD3329
www.ti.com
FEATURES
1/8 Unit-Load Option Available (Up to 256
Nodes on the Bus)
Bus-Pin ESD Protection Exceeds 15 kV HBM
Optional Driver Output Transition Times for
Signaling Rates
(1)
of 1 Mbps, 5 Mbps and
25 Mbps
Low-Current Standby Mode: < 1
μ
A
Glitch-Free Power-Up and Power-Down
Protection for Hot-Plugging Applications
5-V Tolerant Inputs
Bus Idle, Open, and Short Circuit Failsafe
Driver Current Limiting and Thermal
Shutdown
Meets or exceeds the requirements of ANSI
TIA/EIA-485-A and RS-422 Compatible
5-V Devices available, SN65HVD50-59
APPLICATIONS
Utility Meters
DTE/DCE Interfaces
Industrial, Process, and Building Automation
Point-of-Sale (POS) Terminals and Networks
DESCRIPTION
The SN65HVD3X devices are 3-state differential line
drivers
and
differential-input
operate with 3.3-V power supply.
IMPROVED REPLACEMENT FOR:
SN65HVD30 – SN65HVD39
SLLS665C–SEPTEMBER 2005–REVISED JULY 2006
3.3V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS
Each driver and receiver has separate input and
output
pins
for
full-duplex
designs.
They
are
designed
transmission lines and interoperation with ANSI
TIA/EIA-485A, TIA/EIA-422-B, ITU-T v.11 and ISO
8482:1993 standard-compliant devices.
bus
communication
for
balanced
The
SN65HVD36 and SN65HVD37 are fully enabled with
no external enabling pins. The SN65HVD36 and
SN65HVD37
implement
technology
for
improved
distance applications.
SN65HVD30,
SN65HVD31,
SN65HVD32,
receiver
performance
equalization
in
long
The
SN65HVD38, and SN65HVD39 have active-high
driver enables and active-low receiver enables. A
very low, less than 1
μ
A, standby current can be
achieved by disabling both the driver and receiver.
The
SN65HVD38
and
receiver
equalization
technology
performance in long distance applications.
SN65HVD33,
SN65HVD34,
SN65HVD35,
SN65HVD39
implement
improved
for
(1)
The signaling rate of a line is the number of voltage
transitions that are made per second expressed in the units
bps (bits per second).
All devices are characterized for operation from
–40
°
C to 85
°
C.
The
SN65HVD36
and
receiver equalization technology for improved jitter
performance on differential bus applications with
data rates up to 20 Mbps at cable lengths up to 160
meters.
SN65HVD38
implement
The
receiver equalization technology for improved jitter
performance on differential bus applications with
data rates in the range of 1 to 5 Mbps at cable
lengths up to 1000 meters.
SN65HVD37
and
SN65HVD39
implement
line
receivers
that
Part Number
xxx3491
xxx3490
MAX3491E
MAX3490E
MAX3076E
MAX3077E
MAX3073E
MAX3074E
MAX3070E
MAX3071E
Replace with
SN65HVD33:
SN65HVD30:
SN65HVD33:
SN65HVD30:
SN65HVD33:
SN65HVD30:
SN65HVD34:
SN65HVD31:
SN65HVD35:
SN65HVD32:
Better ESD protection (15kV vs 2kV or not specified) Higher Signaling Rate (25Mbps vs 20Mbps)
Fractional Unit Load (64 Nodes vs 32)
Higher Signaling Rate (25Mbps vs 12Mbps) Fractional Unit Load (64 Nodes vs 32)
Higher Signaling Rate (25Mbps vs 16Mbps) Lower Standby Current (1
μ
A vs 10
μ
A)
Higher Signaling Rate (5Mbps vs 500kbps) Lower Standby Current (1
μ
A vs 10
μ
A)
Higher Signaling Rate (1Mbps vs 250kbps) Lower Standby Current (1
μ
A vs 10
μ
A)
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
UNLESS
PRODUCTIOTHERWISE
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
NOTED
this
document
contains
Copyright 2005–2006, Texas Instruments Incorporated
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