adg3241bryz-reel7 Analog Devices, Inc., adg3241bryz-reel7 Datasheet

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adg3241bryz-reel7

Manufacturer Part Number
adg3241bryz-reel7
Description
2.5 V/3.3 V, 1-bit, 2-port Level Translator Bus Switch In Sot-66
Manufacturer
Analog Devices, Inc.
Datasheet
FEATURES
225 ps propagation delay through the switch
4.5 Ω switch connection between ports
Data rate 1.5 Gbps
2.5 V/3.3 V supply operation
Selectable level shifting/translation
Level translation
Small signal bandwidth 770 MHz
Tiny 6-lead SC70 package and 6-lead SOT-66 package
APPLICATIONS
3.3 V to 1.8 V voltage translation
3.3 V to 2.5 V voltage translation
2.5 V to 1.8 V voltage translation
Bus switching
Bus isolation
Hot swap
Hot plug
Analog switch applications
GENERAL DESCRIPTION
The ADG3241 is a 2.5 V or 3.3 V single digital switch. It is
designed on a low voltage CMOS process that provides low
power dissipation yet gives high switching speed and very low
on resistance. This allows the input to be connected to the
output without additional propagation delay or generating
additional ground bounce noise.
The switch is enabled by means of the bus enable ( BE ) input
signal. This digital switch allows a bidirectional signal to be
switched when on. In the off condition, signal levels up to the
supplies are blocked.
This device is ideal for applications requiring level translation.
When operated from a 3.3 V supply, level translation from 3.3 V
inputs to 2.5 V outputs is allowed. Similarly, if the device is
operated from a 2.5 V supply and 2.5 V inputs are applied, the
device translates the outputs to 1.8 V. In addition to this, a level
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or 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.
Trademarks and registered trademarks are the property of their respective owners.
3.3 V to 2.5 V
3.3 V to 1.8 V
2.5 V to 1.8 V
Level Translator Bus Switch in SOT-66
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
translating select pin ( SEL
reduced internally, allowing for level translation between 3.3 V
inputs and 1.8 V outputs. This makes the device suited to
applications requiring level translation between different
supplies, such as converter to DSP/microcontroller interfacing.
PRODUCT HIGHLIGHTS
1.
2.
3.
4.
5.
3.3 V or 2.5 V supply operation.
Extremely low propagation delay through switch.
4.5 Ω switches connect inputs to outputs.
Level and voltage translation.
Tiny, SC70 package and SOT-66 package.
2.5 V/3.3 V, 1-Bit, 2-Port
FUNCTIONAL BLOCK DIAGRAM
BE
A
©2006 Analog Devices, Inc. All rights reserved.
) is included. When
Figure 1.
ADG3241
SEL
www.analog.com
B
is low, V
CC
is

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adg3241bryz-reel7 Summary of contents

Page 1

... Level and voltage translation. 5. Tiny, SC70 package and SOT-66 package. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 ADG3241 B Figure 1. SEL ) is included. When is low www.analog.com ©2006 Analog Devices, Inc. All rights reserved. ...

Page 2

ADG3241 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. ...

Page 3

SPECIFICATIONS 3.6 V, GND = 0 V, all specifications T CC Table 1. Parameter DC ELECTRICAL CHARACTERISTICS Input High Voltage Input Low Voltage Input Leakage Current Off State Leakage Current On State Leakage Current Maximum ...

Page 4

ADG3241 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 2. Parameter V to GND CC Digital Inputs to GND DC Input Voltage DC Output Current Operating Temperature Range Industrial (B Version) Storage Temperature Range Junction Temperature SC70 ...

Page 5

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS ADG3241 GND 2 TOP VIEW 5 (Not to Scale Figure 2. 6-Lead SC70 Table 3. Pin Function Descriptions Pin No. SC70 SOT- ...

Page 6

ADG3241 TYPICAL PERFORMANCE CHARACTERISTICS 25° SEL = 0.5 1.0 1 Figure 4. On Resistance vs. Input Voltage 40 T ...

Page 7

T = 25° SEL = –5µA O 2.0 1 2.3V CC 1.0 0 0.5 1.0 1 Figure 10. Pass Voltage ...

Page 8

ADG3241 –1 –2 – 25°C – 3.3V/2.5V CC –5 SEL = 0dBm IN –6 N/W ANALYZER 50Ω –7 –8 0.03 0.1 1 ...

Page 9

V = 3.3V 20dB CC 50mV/DIV ATTENUATION SEL = 3.3V 200ps/DIV T = 25° 1.5V p Figure 22. Eye Pattern; 1.5 Gbps 3.3 V, PRBS 31 CC 20mV/DIV 200ps/DIV Figure 23. Eye Pattern; 1.244 ...

Page 10

ADG3241 TERMINOLOGY V CC Positive power supply voltage. GND Ground (0 V) reference. V INH Minimum input voltage for Logic 1. V INL Maximum input voltage for Logic Input leakage current at the control inputs ...

Page 11

TIMING MEASUREMENT INFORMATION For the following load circuit and waveforms, the notation that is used is V and V where IN OUT and OUT ...

Page 12

ADG3241 BUS SWITCH APPLICATIONS MIXED VOLTAGE OPERATION, LEVEL TRANSLATION Bus switches can provide an ideal solution for interfacing between mixed voltage systems. The ADG3241 is suitable for applications where voltage translation from 3.3 V technology to a lower voltage technology ...

Page 13

V OUT 3.3V SUPPLY SEL = 0V 1.8V SWITCH 0V 3.3V INPUT Figure 33. 3 1.8 V Voltage Translation, BUS ISOLATION A common requirement of bus architectures is low capacitance loading of the bus. Such systems require bus ...

Page 14

... ORDERING GUIDE Temperature Model Range ADG3241BKS-REEL7 −40°C to +85°C ADG3241BKS-500RL7 −40°C to +85°C 1 ADG3241BKSZ-500RL7 −40°C to +85°C 1 ADG3241BKSZ-REEL7 −40°C to +85°C 1 ADG3241BKSZ-REEL −40°C to +85°C 1 ADG3241BRYZ-REEL7 −40°C to +85° Pb-free part. 2.20 2.00 1.80 2.40 1. 1.25 2.10 1.80 1. PIN 1 ...

Page 15

NOTES Rev Page ADG3241 ...

Page 16

... ADG3241 NOTES ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C04221-0-4/06(B) Rev Page ...

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