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PDF ADM4168E Data sheet ( Hoja de datos )
| Número de pieza | ADM4168E | |
| Descripción | Dual RS-422 Transceiver | |
| Fabricantes | Analog Devices | |
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Data Sheet
±15 kV ESD Protected
Dual RS-422 Transceiver
ADM4168E
FEATURES
Dual transceivers for RS-422
ESD protection on bus input/output pins
±15 kV human body model (HBM)
±8 kV IEC 61000-4-2, contact discharge
±8 kV IEC 61000-4-2, air discharge
Complies with TIA/EIA-422-B and ITU-T recommendation V.11
Open-circuit fail-safe
Suitable for 5 V power supply applications
Low supply current operation: 9 mA maximum
Low driver output skew
Receiver input impedance: 30 kΩ
Receiver common-mode range: −7 V to +7 V
Power-up/power-down without glitches
16-pin TSSOP package
Operating temperature range: −40°C to +85°C
APPLICATIONS
RS-422 interfaces
High data rate motor control
Single-ended-to-differential signal conversion
Point-to-point and multidrop transmission systems
GENERAL DESCRIPTION
The ADM4168E has dual RS-422 transceivers suitable for
high speed communication on point-to-point and multidrop
transmission lines. The ADM4168E is designed for balanced
transmission lines and complies with TIA/EIA-422-B.
The differential driver outputs and receiver inputs feature electro-
static discharge circuitry that provides protection up to ±15 kV
HBM and ±8 kV IEC 61000-4-2 (contact and air discharge).
The ADM4168E operates from a single 5 V power supply.
Excessive power dissipation caused by bus contention or output
shorting is prevented by short-circuit protection circuitry. Short-
circuit protection circuits limit the maximum output current to
150 mA during fault conditions.
FUNCTIONAL BLOCK DIAGRAM
VCC
ADM4168E
B1
A1
RO1
DE1
R1
D1
DI1
Y1
Z1
RO2
A2
B2
R2
DE2
Z2
D2
Y2
DI2
GND
Figure 1.
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The receivers of the ADM4168E contain a fail-safe feature that
results in a logic high output state if the inputs are unconnected
(floating).
The ADM4168E is fully specified over the commercial and
industrial temperature ranges and is available in a 16-pin
TSSOP package.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2012 Analog Devices, Inc. All rights reserved.
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
Data Sheet
ABSOLUTE MAXIMUM RATINGS
Table 3.
Parameter
VCC
Digital Input Voltage (DE1, DE2)
Driver Input Voltage (DI1, DI2)
Receiver Output Voltage (RO1, RO2)
Driver Output Voltage (Y1, Z1, Y2, Z2)
Receiver Input Voltage (A1, B1, A2, B2)
Operating Temperature Range
Storage Temperature Range
ESD Protection on Ax, Bx, Yx, and Zx
Human Body Model (HBM)
IEC 61000-4-2, Contact Discharge
IEC 61000-4-2, Air Discharge
Rating
−0.3 V to +7 V
−0.3 V to +7 V
−0.3 V to +7 V
−0.3 V to VCC + 0.3 V
−0.3 V to +7 V
−14 V to +14 V
−40°C to +85°C
−65°C to +150°C
±15 kV
±8 kV
±8 kV
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ADM4168E
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, that is, a device
soldered in a circuit board for surface-mount packages.
Table 4. Thermal Resistance
Package Type
16-Lead TSSOP
θJA
113
Unit
°C/W
ESD CAUTION
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Rev. 0 | Page 5 of 12
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page 
Data Sheet
ADM4168E
OUTLINE DIMENSIONS
5.10
5.00
4.90
16 9
4.50
4.40
4.30
1
6.40
BSC
8
PIN 1
1.20
0.15
MAX
0.20
0.05 0.09
0.65
BSC
0.30
0.19
COPLANARITY
0.10
SEATING
PLANE
8°
0°
0.75
0.60
0.45
COMPLIANT TO JEDEC STANDARDS MO-153-AB
Figure 17. 16-Lead Thin Shrink Small Outline Package [TSSOP]
(RU-16)
Dimensions shown in millimeters
ORDERING GUIDE
Model1
ADM4168EBRUZ
ADM4168EBRUZ-RL7
EVAL-ADM4168EEBZ
1 Z = RoHS Compliant Part.
Temperature Range
−40°C to +85°C
−40°C to +85°C
Package Description
16-Lead Thin Shrink Small Outline Package [TSSOP]
16-Lead Thin Shrink Small Outline Package [TSSOP]
Evaluation Board
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Package Option
RU-16
RU-16
Rev. 0 | Page 11 of 12
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