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PDF ADG901 Data sheet ( Hoja de datos )
| Número de pieza | ADG901 | |
| Descripción | Wideband 40 dB Isolation at 1 GHz CMOS 1.65V to 2.75V SPST Switches | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Wideband, 40 dB Isolation at 1 GHz, CMOSwww.DataSheet4U.com
1.65 V to 2.75 V, SPST Switches
ADG901/ADG902
FEATURES
Wideband Switch: –3 dB @ 4.5 GHz
Absorptive/Reflective Switches
High Off Isolation (40 dB @ 1 GHz)
Low Insertion Loss (0.8 dB @1 GHz)
Single 1.65 V to 2.75 V Power Supply
CMOS/LVTTL Control Logic
8-Lead MSOP and Tiny 3 mm ؋ 3 mm LFCSP Packages
Low Power Consumption (<1 A)
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
ADG901
RF1
RF2
50⍀
50⍀
CTRL
ADG902
RF1
RF2
CTRL
GENERAL DESCRIPTION
The ADG901/ADG902 are wideband switches that use a
CMOS process to provide high isolation and low insertion loss to
1 GHz. The ADG901 is an absorptive (matched) switch with
50 Ω terminated shunt legs, while the ADG902 is a reflective
switch. 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, thus 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 to wireless applica-
tions and general-purpose high frequency switching.
PRODUCT HIGHLIGHTS
1. –40 dB Off Isolation @ 1 GHz
2. 0.8 dB Insertion Loss @ 1 GHz
3. Tiny 8-Lead MSOP/LFCSP Packages
0
TA = 25؇C
–10
–20
–30
–40
–50
–60 VDD = 2.5 V
–70
–80
–90
–100
10k
100k
VDD = 1.8 V
1M
10M
100M
FREQUENCY (Hz)
1G
Figure 1. Off Isolation vs. Frequency
10G
REV. A
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–1.6
–1.8
–2.0
–2.2
–2.4
–2.6
–2.8
VDD = 2.5V
TA = 25؇C
–3.0
10k
100k
1M
10M
100M
FREQUENCY (Hz)
1G
Figure 2. Insertion Loss vs. Frequency
10G
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. 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
www.analog.com
Fax: 781/326-8703 © 2004 Analog Devices, Inc. All rights reserved.
1 page  
–0.4
–0.6
–0.8 VDD = 2.5V
–1.0
VDD = 2.25V
–1.2
–1.4
–1.6
–1.8
–2.0
–2.2
VDD = 2.75V
–2.4
–2.6
–2.8
TA = 25؇C
–3.0
10k
100k
1M 10M 100M
FREQUENCY (Hz)
1G
10G
TPC 1. Insertion Loss vs. Frequency
over Supplies (S12 and S21)
Typical Performance Characteristics–ADG901/ADG902
www.DataSheet4U.com
–0.40
–0.45
–0.50
–0.55
–0.60 VDD = 2.5V
–0.65
VDD = 2.25V
VDD = 2.75V
–0.70
–0.75
–0.80
–0.85
–0.90
–0.95 TA = 25؇C
–1.00
10k
100k
1M 10M 100M
FREQUENCY (Hz)
1G
10G
–0.4
–0.6
–0.8
–1.0 VDD = 1.8V
VDD = 1.95V
–1.2
–1.4
–1.6
–1.8
–2.0
–2.2
VDD = 1.65V
–2.4
–2.6
–2.8 TA = 25؇C
–3.0
10k
100k
1M 10M 100M
FREQUENCY (Hz)
1G
10G
TPC 2. Insertion Loss vs. Frequency
over Supplies (S12 and S21)
(Zoomed TPC 1 Plot)
TPC 3. Insertion Loss vs. Frequency
over Supplies (S12 and S21)
–0.4
–0.6
–0.8 +25؇C
–1.0
+85؇C
–1.2
–1.4
–1.6
–1.8
–2.0
–2.2
–2.4
–2.6
–2.8 VDD = 2.5V
–3.0
10k 100k
1M 10M 100M
FREQUENCY (Hz)
–40؇C
1G 10G
TPC 4. Insertion Loss vs. Frequency
over Temperature (S12 and S21)
0
–5 TA = 25؇C
–10
–15
–20
–25
–30
–35
–40
–45
–50
–55
–60
VDD = 2.5V
–65
–70
–75
–80
–85
–90
VDD = 1.8V
–95
–100
10k 100k 1M 10M 100M 1G
FREQUENCY (Hz)
10G
TPC 5. OFF Isolation vs. Frequency
over Supplies (S12 and S21)
0
–5 VDD = 2.5V
–10
–15
–20
–25
–30
–35
–40
–45
–50
+85؇C
–55
–60
–65
+25؇C
–70
–75
–80
–85 –40؇C
–90
10k 100k 1M 10M 100M
FREQUENCY (Hz)
1G
10G
TPC 6. OFF Isolation vs. Frequency
over Temperature (S12 and S21)
0
TA = 25؇C
–5 VDD = 2.5V
–10
–15
OFF SWITCH
–20
–25
–30 ON SWITCH
–35
10k 100k
1M 10M 100M 1G
FREQUENCY (Hz)
10G
TPC 7. Return Loss vs. Frequency
(S11)
CH1
CH2
CH1 = CTRL = 1V/DIV
CH2 = RFx = 100mV/DIV
tRISE = 2.8ns
tFALL = 5.1ns
TPC 8. Switch Timing
CTRL
RFx
CH2 pk-pk
2.016mV
CH1 500mV CH2 1mV 10.0ns
TPC 9. Video Feedthrough
REV. A
–5–
5 Page 
Revision History
ADG901/ADG902
www.DataSheet4U.com
Location
Page
10/04—Data Sheet changed from REV. 0 to REV. A.
Changes to FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Changes to PRODUCT HIGHLIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Changes to SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Changes to ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Change to ADG9xx EVALUATION BOARD section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Updated OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
REV. A
–11–
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ADG901.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| ADG901 | Wideband 40 dB Isolation at 1 GHz CMOS 1.65V to 2.75V SPST Switches | Analog Devices |
| ADG902 | Wideband 40 dB Isolation at 1 GHz CMOS 1.65V to 2.75V SPST Switches | Analog Devices |
| ADG904 | Wideband 37 dB Isolation at 1 GHz CMOS 1.65V to 2.75V 4:1 Mux/SP4T | Analog Devices |
| ADG904-R | Wideband 37 dB Isolation at 1 GHz CMOS 1.65V to 2.75V 4:1 Mux/SP4T | Analog Devices |
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