Driver/Receiver. SN65HVD37 Datasheet

SN65HVD37 Datasheet PDF


Part

SN65HVD37

Description

Low-Power 3.3V-Supply Full-Duplex RS-485 Driver/Receiver

Manufacture

etcTI

Page 15 Pages
Datasheet
Download SN65HVD37 Datasheet


SN65HVD37 Datasheet
SN65HVD37
www.ti.com
SLLSE92 A OCTOBER 2011 REVISED NOVEMBER 2011
Low-Power 3.3V-Supply Full-Duplex RS-485 Driver/Receiver
Check for Samples: SN65HVD37
FEATURES
1
Low-Current Standby Mode: <1 μA Typical
Operational Quiescent Current < 1 mA
High Receiver Hysteresis for Noise Immunity
(60 mV Typical)
1/8 Unit-Load (Up to 256 Nodes on the Bus)
Bus-pin ESD Protection Exceeds 15 kV HBM
Driver Output Transition Times Optimized for
Signaling Rate up to 20 Mbps
Glitch-Free Power-Up and Power-Down
Protection for Hot-Plugging Applications
5V-Tolerant Logic Inputs
Bus Idle, Open, and Short-Circuit Failsafe
Driver Current Limiting and Thermal Shutdown
Fully Meets All TIA-485-A Specifications
APPLICATIONS
Telecommunications Equipment
Industrial Automation
Process Automation
Building Automation
Point-of-Sale (POS) Terminals
Improved Replacement for ADM3076,
ADM3491, LTC2852, MAX3491 and SP3491
DESCRIPTION
The SN65HVD37 combines a robust differential driver
and a receiver with high noise immunity for
demanding industrial applications. The driver
differential outputs and the receiver differential inputs
are separate pins, to form a bus port for full-duplex
(four-wire) communications. The driver and receiver
can be independently enabled, and feature a wide
common-mode voltage range, making this device
suitable for multi-point applications over long cable
runs. The SN65HVD37 is characterized over the
temperature range of -40ºC to 85 ºC.
D PACKAGE (TOP VIEW)
NC
R
RE
DE
D
GND
GND
1
2
3
4
5
6
7
14 VCC
13 VCC
12 A
11 B
10 Z
9Y
8 NC
NC - No internal connection
LOGIC DIAGRAM (POSITIVE LOGIC)
4
DE
5
D
RE 3
2
R
9
Y
10
Z
12
A
11
B
Figure 1. 60 mV Receiver Hysteresis for Noise Immunity
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2011, Texas Instruments Incorporated

SN65HVD37 Datasheet
SN65HVD37
SLLSE92 A OCTOBER 2011 REVISED NOVEMBER 2011
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS(1)
VCC Supply voltage
Voltage range at A, B, Y, Z pins
Input voltage range at any logic pin
Voltage range, transient pulse, A, B, Y, Z, through 100
Receiver output current
TJ Junction temperature
Continuous total power dissipation
IEC 60749-26 ESD (Human Body Model), bus terminals and GND
Test Method A114 (Human Body Model), all pins
JEDEC Standard 22
Test Method C101 (Charged Device Model), all pins
JEDEC Standard 22 Test Method A115 (Machine Model), all pins
VALUE/UNITS
0.5 V to 7 V
13 V to 13 V
0.3 V to 5.7 V
25 V to 25 V
24 mA to 24 mA
170°C
(see Thermal Table)
±16 kV
±5 kV
±1.5 kV
±150 V
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
THERMAL INFORMATION
THERMAL METRIC(1)
SN65HVD37
D
UNITS
θJA
θJCtop
θJB
ψJT
ψJB
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
14 PINS
79.3
44.8
33.5
13.3
33.3
°C/W
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
RECOMMENDED OPERATING CONDITIONS
VCC Supply voltage(1)
VI Input voltage at any bus terminal (separately or common mode)(2)
VIH High-level input voltage (Driver, driver enable, and receiver enable inputs)
VIL Low-level input voltage (Driver, driver enable, and receiver enable inputs)
VID Differential input voltage
Driver
IO
Output current
Receiver
RL Differential load resistance
CL Differential load capacitance
Signaling rate HVD37
TA Operating free-air temperature (See application section for thermal information)
TJ Junction Temperature
MIN NOM MAX UNIT
3 3.3 3.6 V
7 12 V
2 VCC V
0 0.8 V
12 12 V
60 60
mA
8 8
54 60
Ω
50 pF
20 Mbps
40 85 °C
40 150 °C
(1) Both pins 13 and 14 should be connected to the supply voltage; both pins 6 and 7 should be connected to ground.
(2) The algebraic convention, in which the least positive (most negative) limit is designated as minimum is used in this data sheet.
2 Submit Documentation Feedback
Product Folder Link(s): SN65HVD37
Copyright © 2011, Texas Instruments Incorporated


Features Datasheet pdf SN65HVD37 www.ti.com SLLSE92 A – OCT OBER 2011 – REVISED NOVEMBER 2011 Low -Power 3.3V-Supply Full-Duplex RS-485 D river/Receiver Check for Samples: SN65H VD37 FEATURES 1 • Low-Current Standb y Mode: <1 μA Typical • Operational Quiescent Current < 1 mA • High Recei ver Hysteresis for Noise Immunity (60 m V Typical) • 1/8 Unit-Load (Up to 256 Nodes on the Bus) • Bus-pin ESD Prot ection Exceeds 15 kV HBM • Driver Out put Transition Times Optimized for Sign aling Rate up to 20 Mbps • Glitch-Fre e Power-Up and Power-Down Protection fo r Hot-Plugging Applications • 5V-Tole rant Logic Inputs • Bus Idle, Open, a nd Short-Circuit Failsafe • Driver Cu rrent Limiting and Thermal Shutdown • Fully Meets All TIA-485-A Specificatio ns APPLICATIONS • Telecommunications Equipment • Industrial Automation • Process Automation • Building Automa tion • Point-of-Sale (POS) Terminals • Improved Replacement for ADM3076, A DM3491, LTC2852, MAX3491 and SP3491 DESCRIPTION The SN65HVD37 combines a robust differential driver a.
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