ADG904BRUZ Analog Devices Inc, ADG904BRUZ Datasheet

IC,RF SWITCH,SINGLE,SP4T,CMOS,TSSOP,20PIN,PLASTIC

ADG904BRUZ

Manufacturer Part Number

ADG904BRUZ

Description

IC,RF SWITCH,SINGLE,SP4T,CMOS,TSSOP,20PIN,PLASTIC

Manufacturer

Analog Devices Inc

Type

Analog Multiplexerr

Datasheet

1.ADG904BRUZ.pdf (16 pages)

Specifications of ADG904BRUZ

Function

Multiplexer

Circuit

1 x 4:1

Voltage Supply Source

Single Supply

Voltage - Supply, Single/dual (±)

1.65 V ~ 2.75 V

Current - Supply

0.1µA

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

20-TSSOP (0.173", 4.40mm Width)

Multiplexer Configuration

Single 4:1

Number Of Inputs

Number Of Outputs

Number Of Channels

Package Type

TSSOP

Power Supply Requirement

Single

Single Supply Voltage (min)

1.65V

Single Supply Voltage (max)

2.75V

Dual Supply Voltage (min)

Not RequiredV

Dual Supply Voltage (typ)

Not RequiredV

Dual Supply Voltage (max)

Not RequiredV

Mounting

Surface Mount

Pin Count

Operating Temp Range

-40C to 85C

Operating Temperature Classification

Industrial

Package

20TSSOP

Maximum Propagation Delay Bus To Bus

12(Typ)@2.5V ns

Multiplexer Architecture

4:1

Maximum Turn-off Time

13(Typ)@2.5V ns

Maximum Turn-on Time

8.5(Typ)@2.5V ns

Power Supply Type

Single

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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FEATURES

Wideband switch: –3 dB @ 2.5 GHz

ADG904: absorptive 4:1 mux/SP4T

ADG904-R: reflective 4:1 mux/SP4T

High off isolation (37 dB @ 1 GHz)

Low insertion loss (1.1 dB dc to 1 GHz)

Single 1.65 V to 2.75 V power supply

CMOS/LVTTL control logic

20-lead TSSOP and 4 mm × 4 mm LFCSP packages

Low power consumption (1 μA maximum)

APPLICATIONS

Wireless communications

General-purpose RF switching

Dual-band applications

High speed filter selection

Digital transceiver front end switch

IF switching

Tuner modules

Antenna diversity switching

GENERAL DESCRIPTION

The ADG904 and ADG904-R are wideband analog 4:1

multiplexers that use a CMOS process to provide high isolation

and low insertion loss to 1 GHz. The ADG904 is an

absorptive/matched mux with 50 Ω terminated shunt legs; the

ADG904-R is a reflective mux. These devices are designed such

that the isolation is high over the dc to 1 GHz frequency range.

The ADG904 and ADG904-R switch one of four inputs to a

common output, RFC, as determined by the 3-bit binary

address lines A0, A1, and EN . A Logic 1 on the EN pin disables

the device.

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.

–10

–20

–30

–40

–50

–60

–70

–80

10k

= 2.5V

100k

Figure 3. Off Isolation vs. Frequency

S21

S12

FREQUENCY (Hz)

10M

100M

Wideband 2.5 GHz, 37 dB Isolation at 1 GHz,

10G

CMOS 1.65 V to 2.75 V, 4:1 Mux/SP4T

The parts have on-board CMOS control logic, which eliminates

the need for external control circuitry. The control inputs

are both CMOS and LVTTL compatible. The low power

consumption of these devices makes them ideally suited

for wireless applications and general-purpose high

frequency switching.

PRODUCT HIGHLIGHTS

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

ADG904

–0.3

–0.4

–0.5

–0.6

–0.7

–0.8

–0.9

–1.0

–1.1

–1.2

–1.3

–1.4

–1.5

–1.6

–1.7

–1.8

–1.9

–2.0

–2.1

–2.2

–2.3

–2.4

–2.5

–2.6

–2.7

–2.8

–2.9

–3.0

−37 dB off isolation @ 1 GHz

1.1 dB insertion loss @ 1 GHz

20-lead TSSOP/LFCSP packages

RF1

RF2

RF3

RF4

10k

1 OF 4 DECODER

= 25°C

Figure 1.

= 2.5V

50Ω

FUNCTIONAL BLOCK DIAGRAMS

100k

Figure 4. Insertion Loss vs. Frequency

FREQUENCY (Hz)

ADG904/ADG904-R

RFC

10M

ADG904-R

100M

RF1

RF2

RF3

RF4

1 OF 4 DECODER

Figure 2.

www.analog.com

10G

RFC

Related parts for ADG904BRUZ

ADG904BRUZ Summary of contents

Page 1

FEATURES Wideband switch: – 2.5 GHz ADG904: absorptive 4:1 mux/SP4T ADG904-R: reflective 4:1 mux/SP4T High off isolation ( GHz) Low insertion loss (1 GHz) Single 1. 2.75 V power ...

ADG904/ADG904-R TABLE OF CONTENTS Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configurations and Function Descriptions ........................... 5 Terminology ...................................................................................... 6 Typical Performance Characteristics ............................................. 7 Test Circuits....................................................................................... 9 Applications..................................................................................... 11 REVISION HISTORY 2/07—Rev Rev. B ...

Page 3

SPECIFICATIONS VDD = 1. 2.75 V, GND = 0 V, Input Power = 0 dBm, all specifications T Table 1. Parameter AC ELECTRICAL CHARACTERISTICS Operating Frequency Frequency 4 Input Power Insertion Loss Isolation—RFC to ...

Page 4

ADG904/ADG904-R ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 2. Parameter V to GND DD Inputs to GND Continuous Current Input Power Operating Temperature Range Industrial (B Version) Storage Temperature Range Junction Temperature TSSOP Package θ Thermal ...

Page 5

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS GND 3 ADG904 18 ADG904-R RF1 4 17 GND TOP VIEW 5 16 (Not to Scale) GND 6 15 RF3 7 14 GND 8 13 GND 9 12 ...

Page 6

ADG904/ADG904-R TERMINOLOGY Table 5. Parameter Description V Most Positive Power Supply Potential Positive Supply Current. DD GND Ground (0 V) Reference. Ax Logic Control Input. V Maximum Input Voltage for Logic 0. INL V Minimum Input Voltage for ...

Page 7

TYPICAL PERFORMANCE CHARACTERISTICS –0.3 –0.4 –0.5 –0.6 –0.7 –0 2.25V DD –0.9 –1 2.75V –1.1 DD –1.2 –1.3 –1 2.50V DD –1.5 –1.6 –1.7 –1.8 –1.9 –2.0 –2.1 –2.2 –2.3 –2.4 –2.5 –2.6 –2.7 ...

Page 8

ADG904/ADG904-R 0 –5 –10 –15 –20 OFF SWITCH –25 ON SWITCH – 2. 25°C A –35 10k 100k 1M 10M 100M FREQUENCY (Hz) Figure 13. Return Loss vs. Frequency (RF1–RF4, S11) –10 –20 –30 –40 ...

Page 9

TEST CIRCUITS V DD 10μ RFx OUT RFC 50Ω OUT GND Figure 19. Switch Timing 10μ RFC RFx OUT ...

Page 10

ADG904/ADG904 10μF ADG904R V DD RF1 RFC SPECTRUM ANALYZER RF2 DECODER GND Figure 25 50Ω SOURCE SPECTRUM ANALYZER COMBINER RF SOURCE Rev Page ...

Page 11

APPLICATIONS The ADG904 and ADG904-R are ideal solutions for low power, high frequency applications. The low insertion loss, high isolation between ports, low distortion, and low current consumption of these parts make them excellent solutions for many high frequency switching ...

Page 12

ADG904/ADG904-R EVALUATION BOARD The ADG904/ADG904-R evaluation board allows designers to evaluate the high performance, wideband switches with minimal effort. Only a power supply and a network analyzer, along with the evaluation board, are required to demonstrate that these devices meet ...

Page 13

OUTLINE DIMENSIONS COPLANARITY PIN 1 INDICATOR 1.00 0.85 0.80 SEATING PLANE 6.60 6.50 6. 4.50 4.40 4.30 6.40 BSC 1 10 PIN 1 0.65 BSC 1.20 MAX 0.15 0.20 0.05 0.09 0.30 0.19 SEATING 0.10 PLANE COMPLIANT TO ...

Page 14

... ADG904BRU-R –40°C to +85°C ADG904BRU-R-500RL7 –40°C to +85°C ADG904BRU-R-REEL –40°C to +85°C ADG904BRU-R-REEL7 –40°C to +85°C 1 ADG904BRUZ-R –40°C to +85°C ADG904BCP –40°C to +85°C ADG904BCP-500RL7 –40°C to +85°C ADG904BCP-REEL –40°C to +85°C ADG904BCP-REEL7 – ...

Page 15

NOTES Rev Page ADG904/ADG904-R ...

Page 16

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