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ADG936BRUZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
Wideband 4 GHz, 36 dB Isolation at 1 GHz,
CMOS, 1.65 V to 2.75 V, Dual SPDT
Data Sheet
ADG936/ADG936-R
Rev. B Document Feedback
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2004–2013 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
FEATURES
Wideband switch: −3 dB @ 4 GHz
ADG936 absorptive dual SPDT
ADG936-R reflective dual SPDT
High off isolation (36 dB @ 1 GHz)
Low insertion loss (0.9 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
FUNCTIONAL BLOCK DIAGRAMS
INB
RF1B
RF2B
RFCB
ADG936
INA
RF1A
RF2A
RFCA
50
50
50
50
04503-001
INA
INB
RF1A
RF2A
RF1B
RF2B
RFCB
RFCA
ADG936-R
04503-012
Figure 1. Figure 2.
GENERAL DESCRIPTION
The ADG936/ADG936-R are wideband analog switches that
comprise two independently selectable SPDT switches using a
CMOS process to provide high isolation and low insertion loss
to 1 GHz. The ADG936 is an absorptive/matched dual SPDT
with 50 Ω terminated shunt legs; the ADG936-R is a reflective
dual SPDT. These devices are designed such that the isolation is
high over the dc to 1 GHz frequency range. They have on-board
CMOS control logic, eliminating the need for external controlling
circuitry. The control inputs are both CMOS and LVTTL
compatible. The low power consumption of these CMOS
devices makes them ideally suited for wireless applications and
general-purpose high frequency switching.
PRODUCT HIGHLIGHTS
1. –36 dB off isolation @ 1 GHz.
2. 0.9 dB insertion loss @ 1 GHz.
3. 20-lead TSSOP and 4 mm × 4 mm LFCSP packages.
04503-027
FREQUENCY (Hz)
10G10k 100k 1M 10M 100M 1G
OFF ISOLATION (dB)
–10
–20
–30
–40
–50
–60
–70
–80
S12
S21
V
DD
= 2.5V
T
A
= 25°C
Figure 3. Off Isolation vs. Frequency
04503-015
FREQUENCY (Hz)
10G10k 100k 1M 10M 100M 1G
INSERTION LOSS (dB)
–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
V
DD
= 2.5V
T
A
= 25°C
Figure 4. Insertion Loss vs. Frequency
ADG936/ADG936-R Data Sheet
Rev. B | Page 2 of 16
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagrams ............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
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
Absorptive vs. Reflective ........................................................... 11
Filter Selection ............................................................................ 11
Tx/Rx Switching ......................................................................... 11
Antenna Diversity Switch .......................................................... 11
Evaluation Board ............................................................................ 12
Outline Dimensions ....................................................................... 13
Ordering Guide .......................................................................... 14
REVISION HISTORY
4/13—Rev. A to Rev. B
Changed CP-20-1 to CP-20-6 ........................................... Universal
Added EPAD Note ............................................................................ 5
Updated Outline Dimensions ....................................................... 13
Changes to Ordering Guide .......................................................... 14
8/05—Rev. 0 to Rev. A
Changes to Table 1 ............................................................................ 3
Changes to Figure 6 .......................................................................... 5
Changes to Ordering Guide .......................................................... 14
7/04—Revision 0: Initial Version
Data Sheet ADG936/ADG936-R
Rev. B | Page 3 of 16
SPECIFICATIONS
V
DD
= 1.65 V to 2.75 V, GND = 0 V, input power = 0 dBm, all specifications T
MIN
to T
MAX
, unless otherwise noted.
1
Table 1.
B Version
Parameter Symbol Conditions Min Typ
2
Max Unit
AC ELECTRICAL CHARACTERISTICS
Operating Frequency
3
DC 2 GHz
3 dB Frequency
4
4 GHz
Input Power
4
0 V dc bias 7 dBm
0.5 V dc bias 16 dBm
Insertion Loss S
21
, S
12
DC to 100 MHz; V
DD
= 2.5 V ± 10% 0.4 0.5 dB
500 MHz; V
DD
= 2.5 V ± 10% 0.6 0.8 dB
1000 MHz; V
DD
= 2.5 V ± 10% 0.9 1.25 dB
Isolation—RFCx to RF1x/RF2x S
21
, S
12
100 MHz 52 60 dB
500 MHz
40
47
dB
1000 MHz
31
36
dB
Crosstalk—RF1x to RF2x S
21
, S
12
100 MHz 53 69 dB
500 MHz 42 45 dB
1000 MHz 34 37 dB
Return Loss (On Channel)
4
S
11
, S
22
DC to 100 MHz 20 25 dB
500 MHz 19 23 dB
1000 MHz 16 24 dB
Return Loss (Off Channel)
4
S
11
, S
22
DC to 100 MHz 18 24 dB
500 MHz 17 23 dB
1000 MHz 16 21 dB
On Switching Time
4
t
ON
50% CTRL to 90% RF 11 14 ns
Off Switching Time
4
t
OFF
50% CTRL to 10% RF
10
13
ns
Rise Time
4
t
RISE
10% to 90% RF 6.1 8 ns
Fall Time
4
t
FAL L
90% to 10% RF 6 8 ns
1 dB Compression
4
P
–1 dB
1000 MHz 16 dBm
Third-Order Intermodulation Intercept IP
3
900 MHz/901 MHz, 4 dBm 27.5 32 dBm
Video Feedthrough
5
3 mV p-p
DC ELECTRICAL CHARACTERISTICS
Input High Voltage V
INH
V
DD
= 2.25 V to 2.75 V 1.7 V
V
INH
V
DD
= 1.65 V to 1.95 V 0.65 V
CC
V
Input Low Voltage V
INL
V
DD
= 2.25 V to 2.75 V 0.7 V
V
INL
V
DD
= 1.65 V to 1.95 V 0.35 V
CC
V
Input Leakage Current I
I
0 ≤ V
IN
≤ 2.75 V ± 0.1 ± 1 µA
CAPACITANCE
4
RF Port On Capacitance C
RF
ON f = 1 MHz 2.5 pF
Digital Input Capacitance C
DIG
f = 1 MHz 2 pF
POWER REQUIREMENTS
V
DD
1.65 2.75 V
Quiescent Power Supply Current I
DD
Digital inputs = 0 V or V
DD
0.1 1 µA
1
Temperature range of B Version: −40°C to +85°C.
2
Typical values are at V
DD
= 2.5 V and 25°C, unless otherwise noted.
3
Operating frequency is the point at which insertion loss degrades by 1 dB.
4
Guaranteed by design, not subject to production test.
5
Video feedthrough is the dc transience at the output of any port of the switch when the control voltage is switched from high to low or from low to high in a 50 Ω test
setup, measured with 1 ns rise time pulses and a 500 MHz bandwidth.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

ADG936BRUZ

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Manufacturer:
Analog Devices Inc.
Description:
RF Switch ICs WB 4GHz 36dB Iso CMOS Dual SPDT
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