厂商Texas Instruments 75176B 数据手册，datasheet pdf下载

型号：	75176B
厂商：	Texas Instruments
描述：	differential bus transceivers
PDF：	预览
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SN65176B, SN75176B

DIFFERENTIAL BUS TRANSCEIVERS

SLLS101D – JULY 1985 – REVISED APRIL 2003

SN65176B . . . D OR P PACKAGE

SN75176B . . . D, P, OR PS PACKAGE

(TOP VIEW)

Bidirectional Transceivers

Meet or Exceed the Requirements of ANSI

Standards TIA/EIA-422-B and TIA/EIA-485-A

and ITU Recommendations V.11 and X.27

Designed for Multipoint Transmission on

Long Bus Lines in Noisy Environments

GND

3-State Driver and Receiver Outputs

Individual Driver and Receiver Enables

Wide Positive and Negative Input/Output

Bus Voltage Ranges

Driver Output Capability . . . ±60 mA Max

Thermal Shutdown Protection

Driver Positive and Negative Current

Limiting

Receiver Input Impedance . . . 12 kΩ Min

Receiver Input Sensitivity . . . ±200 mV

Receiver Input Hysteresis . . . 50 mV Typ

Operate From Single 5-V Supply

description/ordering information

The SN65176B and SN75176B differential bus transceivers are integrated circuits designed for bidirectional

data communication on multipoint bus transmission lines. They are designed for balanced transmission lines

and meet ANSI Standards TIA/EIA-422-B and TIA/EIA-485-A and ITU Recommendations V.11 and X.27.

The SN65176B and SN75176B combine a 3-state differential line driver and a differential input line receiver,

both of which operate from a single 5-V power supply. The driver and receiver have active-high and active-low

enables, respectively, that can be connected together externally to function as a direction control. The driver

differential outputs and the receiver differential inputs are connected internally to form differential input/output

(I/O) bus ports that are designed to offer minimum loading to the bus when the driver is disabled or V

= 0.

These ports feature wide positive and negative common-mode voltage ranges, making the device suitable for

party-line applications.

ORDERING INFORMATION

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

†

PACKAGE

PDIP (P)

SOIC (D)

Tube of 50

Tube of 75

Reel of 2500

Reel of 2000

Tube of 50

Tube of 75

Reel of 2500

SN75176BP

SN75176BD

SN75176BDR

SN75176BPSR

SN65176BP

SN65176BD

SN65176BDR

0°C to 70°C

75176B

SOP (PS)

PDIP (P)

A176B

SN65176BP

–40°C to 105°C

SOIC (D)

65176B

†

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are

available at www.ti.com/sc/package.

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.

On products compliant to MIL-PRF-38535, all parameters are tested

unless otherwise noted. On all other products, production

processing does not necessarily include testing of all parameters.

PRODUCTION DATA information is 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.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

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