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MMAAXX33007701EE Datasheet

  • MMAAXX33007701EE

  • 3.3 V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS

  • 28頁(yè)

  • TI

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RHL (QFN)
D-8 (SOIC)
D-14 (SOIC)
www.ti.com
SN65HVD30 鈥?SN65HVD39
SLLS665E 鈥?SEPTEMBER 2005 鈥?REVISED MARCH 2008
3.3 V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS
1
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
26 Mbps
Low-Current Standby Mode: < 1
碌A(chǔ)
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
Line Signaling Rate is the number of voltage transitions made
per second expressed in units of bps (bits per second).
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Each driver and receiver has separate input and
output pins for full-duplex bus communication
designs. They are designed for balanced
transmission lines and inter-operation with ANSI
TIA/EIA-485A, TIA/EIA-422-B, ITU-T v.11 and ISO
8482:1993 standard-compliant devices.
The SN65HVD30, SN65HVD31, SN65HVD32,
SN65HVD36 and SN65HVD37 are fully enabled with
no external enabling pins.
The SN65HVD33, SN65HVD34, SN65HVD35,
SN65HVD38, and SN65HVD39 have active-high
driver enables and active-low receiver enables. A low,
less than 1碌A(chǔ), standby current can be achieved by
disabling both the driver and receiver.
All devices are characterized for ambient
temperatures from 鈥?0擄C to 85擄C. Low power
dissipation allows operation at temperatures up to
105擄C or 125擄C, depending on package option.
The preview devices SN65HVD36 and SN65HVD38
implement 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.
The preview devices SN65HVD37 and SN65HVD39
implement 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.
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鈥?/div>
鈥?/div>
鈥?/div>
(1)
APPLICATIONS
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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 line receivers that
operate with 3.3-V power supply.
IMPROVED REPLACEMENT FOR:
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 (26Mbps vs 20Mbps)
Fractional Unit Load (64 Nodes vs 32)
Higher Signaling Rate (26Mbps vs 12Mbps) Fractional Unit Load (64 Nodes vs 32)
Higher Signaling Rate (26Mbps vs 16Mbps) Lower Standby Current (1
碌A(chǔ)
vs 10
碌A(chǔ))
Higher Signaling Rate (5Mbps vs 500kbps) Lower Standby Current (1
碌A(chǔ)
vs 10
碌A(chǔ))
Higher Signaling Rate (1Mbps vs 250kbps) Lower Standby Current (1
碌A(chǔ)
vs 10
碌A(chǔ))
1
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 OTHERWISE NOTED this document contains
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2005鈥?008, Texas Instruments Incorporated

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