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ADG904-R

Description
4-CHANNEL, SGL ENDED MULTIPLEXER, PDSO20
Categorysemiconductor    Analog mixed-signal IC   
File Size252KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric Compare View All

ADG904-R Overview

4-CHANNEL, SGL ENDED MULTIPLEXER, PDSO20

ADG904-R Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals20
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage2.75 V
Minimum supply/operating voltage1.65 V
Rated supply voltage2.5 V
Processing package descriptionMO-153AC, TSSOP-20
stateACTIVE
CraftsmanshipCMOS
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6500 mm
terminal coatingTIN LEAD
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelINDUSTRIAL
Number of inputs4
Maximum on-time10 ns
Maximum off time16 ns
Analog IC other typesSGL ENDED MULTIPLEXER
Isolation Rating in Off State37 dB
Maximum limit analog input voltage2.5 V
Wideband, 37 dB Isolation at 1 GHz,
CMOS 1.65 V to 2.75 V, 4:1 Mux/SP4T
ADG904/ADG904-R
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 contol logic
20-lead TSSOP
Low power consumption (1 µA max)
ADG904
RF1
50Ω
RF2
50Ω
RF3
50Ω
RF4
50Ω
04504-0-001
FUNCTIONAL BLOCK DIAGRAMS
ADG904-R
RF1
RF2
RFC
RF3
RFC
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
RF4
1 OF 4 DECODER
A0
A1
EN
1 OF 4 DECODER
A0
A1
EN
Figure 1
Figure 2
GENERAL DESCRIPTION
The ADG904/ADG904-R are wideband analog 4:1multiplexers
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 isola-
tion is high over the dc to 1 GHz frequency range.
The ADG904/ADG904-R switches 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.
–10
V
DD
= 2.5V
–20
–30
–40
–50
S21
–60
–70
–80
10k
The parts have on-board CMOS control logic, thus eliminating
the need for external control circuitry. The control inputs are
both CMOS and LVTTL compatible. The ADG904/ADG904-R’s
low power consumption makes them ideally suited for wireless
applications and general-purpose high frequency switching.
PRODUCT HIGHLIGHTS
1.
2.
3.
–37 dB off isolation @ 1 GHz
1.1 dB insertion loss @ 1 GHz
20-lead TSSOP packages
–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 V
DD
= 2.5V
–2.9 T
A
= 25°C
–3.0
10k
100k
INSERTION LOSS (dB)
S12
04504-0-028
INSERTION LOSS (dB)
100k
1M
10M
100M
FREQUENCY (Hz)
1G
10G
1M
10M
100M
FREQUENCY (Hz)
1G
10G
Figure 3. Off Isolation vs. Frequency
Rev. 0
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.
Figure 4. Insertion Loss vs. Frequency
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703
© 2004 Analog Devices, Inc. All rights reserved.
04504-0-029
04504-0-012

ADG904-R Related Products

ADG904-R ADG904 ADG904BRU-R-500RL7
Description 4-CHANNEL, SGL ENDED MULTIPLEXER, PDSO20 4-CHANNEL, SGL ENDED MULTIPLEXER, PDSO20 4-CHANNEL, SGL ENDED MULTIPLEXER, PDSO20
Number of functions 1 1 1
Number of terminals 20 20 20
Maximum operating temperature 85 Cel 85 Cel 85 Cel
Minimum operating temperature -40 Cel -40 Cel -40 Cel
Maximum supply/operating voltage 2.75 V 2.75 V 2.75 V
Minimum supply/operating voltage 1.65 V 1.65 V 1.65 V
Rated supply voltage 2.5 V 2.5 V 2.5 V
Processing package description MO-153AC, TSSOP-20 MO-153AC, TSSOP-20 MO-153AC, TSSOP-20
state ACTIVE ACTIVE ACTIVE
Craftsmanship CMOS CMOS CMOS
packaging shape RECTANGULAR RECTANGULAR RECTANGULAR
Package Size SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mount Yes Yes Yes
Terminal form GULL WING GULL WING GULL WING
Terminal spacing 0.6500 mm 0.6500 mm 0.6500 mm
terminal coating TIN LEAD TIN LEAD TIN LEAD
Terminal location DUAL DUAL DUAL
Packaging Materials PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL
Number of inputs 4 4 4
Maximum on-time 10 ns 10 ns 10 ns
Maximum off time 16 ns 16 ns 16 ns
Analog IC other types SGL ENDED MULTIPLEXER SGL ENDED MULTIPLEXER SGL ENDED MULTIPLEXER
Isolation Rating in Off State 37 dB 37 dB 37 dB
Maximum limit analog input voltage 2.5 V 2.5 V 2.5 V
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