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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 A max)
ADG904
RF1 50 RF2 50 RF3 50 RF4 50
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 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/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 VDD = 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 VDD = 2.5V -2.9 TA = 25C -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 (c) 2004 Analog Devices, Inc. All rights reserved.
04504-0-029
04504-0-012
ADG904/ADG904-R TABLE OF CONTENTS
Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 Pin Configuration and Function Descriptions............................. 5 Terminology ...................................................................................... 6 Typical Performance Characteristics ............................................. 7 Test Circuits....................................................................................... 9 Applications..................................................................................... 11 Absorptive vs. Reflective............................................................ 11 Antenna Diversity Switch.......................................................... 11 Filter Selection ............................................................................ 11 Tx/Rx Switching ......................................................................... 11 Evaluation Board ............................................................................ 12 Outline Dimensions ....................................................................... 13 Ordering Guide .......................................................................... 13
REVISION HISTORY
Revision 0: Initial Version
Rev. 0 | Page 2 of 16
ADG904/ADG904-R SPECIFICATIONS
Table 1. VDD = 1.65 V to 2.75 V, GND = 0 V, Input Power = 0 dBm, all specifications TMIN to TMAX, unless otherwise noted1
Parameter AC ELECTRICAL CHARACTERISTICS Operating Frequency3 3 dB Frequency4 Input Power4 Insertion Loss Symbol Conditions Min DC 0 V dc bias 0.5 V dc bias DC to 100 MHz; VDD = 2.5 V 10% 500 MHz; VDD = 2.5 V 10% 1000 MHz; VDD = 2.5 V 10% 100 MHz 500 MHz 1000 MHz 100 MHz 500 MHz 1000 MHz DC to 100 MHz 500 MHz 1000 MHz DC to 100 MHz 500 MHz 1000 MHz 50% EN to 90% RF 50% EN to 10% RF 50% Ax to 10% RF 10% to 90% RF 90% to 10% RF 1000 MHz 900 MHz/901 MHz, 4 dBm B Version Typ2 Max 2 2.5 7 16 0.8 0.9 1.5 Unit GHz GHz dBm dBm dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB ns ns ns ns ns dBm dBm mV p-p V V V V A pF pF 2.75 1 V A
S21, S12
Isolation--RFC to RF1-RF4
S21, S12
Crosstalk
S21, S12
Return Loss (On Channel)4
S11, S22
Return Loss (Off Channel)4
S11, S22
69 60 30 64 60 30 21 18 15 18 16 18
On Switching Time4 Off Switching Time
4
tON (EN) tOFF ((EN) tTRANS tRISE tFALL P-1 dB IP3
0.4 0.6 1.1 70 65 37 70 65 35 27 26 30 22 23 22 8.5 13 12 3 7.5 16 31 3
10 16 15 5 9
Transition Time Rise Time4 Fall Time4 1 dB Compression4 Third Order Intermodulation Intercept Video Feedthrough5 DC ELECTRICAL CHARACTERISTICS Input High Voltage Input Low Voltage Input Leakage Current CAPACITANCE4 RF Port On Capacitance Digital Input Capacitance POWER REQUIREMENTS VDD Quiescent Power Supply Current
28
VINH VINH VINL VINL II CRF ON C
VDD = 2.25 V to 2.75 V VDD = 1.65 V to 1.95 V VDD = 2.25 V to 2.75 V VDD = 1.65 V to 1.95 V 0 VIN 2.75 V f = 1 MHz f = 1 MHz
1.7 0.65 VCC 0.7 0.35 VCC 1
0.1 3 2 1.65
IDD
Digital inputs = 0 V or VDD
0.1
1 2
Temperature range B Version: -40C to +85C. Typical values are at VDD = 2.5 V and 25C, unless otherwise stated. 3 Operating frequency is the point at which insertion loss degrades by 1.5 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 low to high in a 50 test setup, measured with 1 ns rise time pulses and 500 MHz bandwidth.
Rev. 0 | Page 3 of 16
ADG904/ADG904-R ABSOLUTE MAXIMUM RATINGS
Table 2. TA = 25C, unless otherwise noted
Parameter VDD to GND Inputs to GND Continuous Current Input Power Operating Temperature Range Industrial (B Version) Storage Temperature Range Junction Temperature TSSOP Package JA Thermal Impedance Lead Temperature, Soldering (10 sec) IR Reflow, Peak Temperature (<20 sec) ESD Rating -0.5 V to +4 V -0.5 V to VDD + 0.3 V1 30 mA 18 dBm -40C to +85C -65C to +150C 150C 143C/W 300C 235C 1 kV
Table 3. Truth Table
A1 X 0 0 1 1 A0 X 0 1 0 1 EN 1 0 0 0 0 ON Switch2 None RF1 RF2 RF3 RF4
1 2
RFx Off Port Inputs to Ground = -0.5 V to VDD - 0.5 V. OFF Switches have: 50 termination to GND (ADG904). Shunt to GND (ADG904-R).
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Only one absolute maximum rating may be applied at any one time.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although this product features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality.
Rev. 0 | Page 4 of 16
ADG904/ADG904-R PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
EN 1 VDD 2 GND 3 RF1 4 GND 5 GND 6 RF3 7 GND 8 GND 9 RFC 10
20 19
A0 A1 GND RF2
ADG904 ADG904-R
18 17
16 GND TOP VIEW (Not to Scale) 15 GND 14 13 12 11
RF4 GND
04504-0-002
GND GND
Figure 5. 20-Lead TSSOP (RU-20)
Table 4. Pin Function Descriptions
Pin No. 1 2 3, 5, 6, 8, 9, 11, 12, 13, 15, 16, 18 4 7 10 14 17 19 20 Mnemonic EN VDD GND RF1 RF3 RFC RF4 RF2 A1 A0 Function Active Low Digital Input. When high, the device is disabled and all switches are off. When low, Ax logic inputs determine on switches. Power Supply Input. These parts can be operated from 1.65 V to 2.75 V. VDD should be decoupled to GND. Ground Reference Point for All Circuitry on the Part. RF1 Port. RF3 Port. Common RF Port for Switch. RF4 Port. RF2 Port. Logic Control Input. Logic Control Input.
Rev. 0 | Page 5 of 16
ADG904/ADG904-R TERMINOLOGY
Table 5.
Parameter VDD IDD GND Ax VINL VINH IINL (IINH) CIN tON (EN) tOFF (EN) tRISE tFALL tTRANS Off Isolation Insertion Loss Crosstalk P-1 dB IP3 Return Loss Description Most Positive Power Supply Potential. Positive Supply Current. Ground (0 V) Reference. Logic Control Input. Maximum Input Voltage for Logic 0. Minimum Input Voltage for Logic 1. Input Current of the Digital Input. Digital Input Capacitance. Delay between Applying the EN Control Input and the Output Switching On. Delay between Applying the EN Control Input and the Output Switching Off. Rise Time. Time for the RF signal to rise from 10% of the On level to 90% of the On level. Fall Time. Time for the RF signal to fall from 90% of the On level to 10% of the On level. Transition Time. Delay between applying the digital control input and the output switching on. The Attenuation between Input and Output Ports of the Switch when the Switch Control Voltage is in the Off Condition. The Attenuation between Input and Output Ports of the Switch when the Switch Control Voltage is in the On Condition. Measure of Unwanted Signal Coupled through from One Channel to Another as a Result of Parasitic Capacitance. 1 dB Compression Point. The RF input power level at which the switch insertion loss increases by 1 dB over its low level value. P-1 dB is a measure of how much power the On switch can handle before the insertion loss increases by 1 dB. Third Order Intermodulation Intercept. This is a measure of the power in false tones that occur when closely spaced tones are passed through a switch, whereby the nonlinearity of the switch causes these false tones to be generated. The Amount of Reflected Power Relative to the Incident Power at a Port. Large return loss indicates good matching. By measuring return loss, the VSWR can be calculated from conversion charts. VSWR (voltage standing wave ratio) indicates the degree of matching present at a switch RF port. Spurious Signals Present at the RF ports of the Switch when the Control Voltage is Switched from High to Low or Low to High without an RF Signal Present.
Video Feedthrough
Rev. 0 | Page 6 of 16
ADG904/ADG904-R TYPICAL PERFORMANCE CHARACTERISTICS
-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 TA = 25C -3.0 10k 100k VDD = 2.25V -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 VDD = 2.5V -3.0 10k 100k TA = -40C TA = +25C TA = +85C
INSERTION LOSS (dB)
VDD = 2.50V
04504-0-015
INSERTION LOSS (dB)
VDD = 2.75V
1M
10M 100M FREQUENCY (Hz)
1G
10G
1M
10M 100M FREQUENCY (Hz)
1G
10G
Figure 6. Insertion Loss vs. Frequency over Supplies (RF1-RF4, S12, and S21)
Figure 9. Insertion Loss vs. Frequency over Temperature (RF1-RF4, S12, and S21)
-0.3 -0.4 -0.5
-10 VDD = 1.65V TO 2.75V -20 -30
INSERTION LOSS (dB)
INSERTION LOSS (dB)
VDD = 2.50V VDD = 2.75V VDD = 2.25V
-40 -50 S21 -60 -70 S12 -80 -90
-0.6 -0.7 -0.8 -0.9 -1.0
04504-0-014
-1.1 10k
100k
1M
10M 100M FREQUENCY (Hz)
1G
10G
-100 10k
100k
1M
10M 100M FREQUENCY (Hz)
1G
10G
Figure 7. Insertion Loss vs. Frequency over Supplies (RF1-RF4, S12, and S21) Zoomed Figure 6 Plot)
Figure 10. Isolation vs. Frequency over Supplies (RF1-RF4, S12, and S21)
04504-0-013
1M
10M 100M FREQUENCY (Hz)
1G
10G
-100 10k
100k
1M
10M 100M FREQUENCY (Hz)
1G
10G
Figure 8. Insertion Loss vs. Frequency over Supplies (RF1-RF4, S12, and S21)
Figure 11. Isolation vs. Frequency over Temperature (RF1-RF4, S12, and S21)
Rev. 0 | Page 7 of 16
04504-0-018
-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 TA = 25C -3.0 10k 100k
-10 -20 VDD = 1.65V -30
VDD = 2.5V
INSERTION LOSS (dB)
INSERTION LOSS (dB)
VDD = 1.80V VDD = 1.95V
-40 -50 -60 -70 -80 -90 TA =+85C
TA =+25C
TA = -40C
04504-0-017
TA = 25C
04504-0-016
ADG904/ADG904-R
0 -5
[T]
T
TRIG'D : 2.40mV
A0
INSERTION LOSS (dB)
-10 -15 -20 -25 ON SWITCH -30
04504-0-020
1
OFF SWITCH
3
RFC
1M
10M 100M FREQUENCY (Hz)
1G
10G
CH1 1.00V CH3 1.00mV
M 20.0ns
Figure 12. Return Loss vs. Frequency (RF1-RF4, S11)
-10 -20 -30
Figure 15. Video Feedthrough
35 30 25 20 15 10 5
04504-0-025
CROSSTALK (dB)
-40 -50 -60 -70 -80 10k VDD = 2.5V TA = 25C 100k 1M 10M 100M FREQUENCY (Hz) 1G 10G
IP3 (dB)
0 100
200
300
400 500 600 FREQUENCY (MHz)
700
800
900
Figure 13. Crosstalk vs. Frequency
TEK RUN: 5.00GS/s ET ENVELOPE [ A1 14 12 1 18 16
Figure 16. IP3 vs. Frequency
T
]
P-1dB (dBm)
10 8 6 4 2 0 VDD = 2.5V TA = 25C 0 250 500 750 1000 FREQUENCY (MHz) 1250 1500
3 RF1/3 VDD = 5V VA = 5V VB = 0V
CH1 1.00V CH3 100mV
Ch2
100mV
M 5.00ns
Figure 14. Switch Timing
04504-0-026
Figure 17. P-1dB vs. Frequency
Rev. 0 | Page 8 of 16
04503-0-025
04504-0-019
VDD = 2.5V TA = 25C
04504-0-027
VDD = 2.5V TA = 25C -35 10k 100k
ADG904/ADG904-R TEST CIRCUITS
VDD 10F VOUT VDD
10F
VDD
ADG904-R
RFx 50
RL 50 NETWORK ANALYZER
VDD
RFC
RFC RFx VOUT 50% VS Ax GND RL 50 VAx VOUT 90% 10%
04504-0-004
50%
RF2 1 0F 4 DECODER A0 A1 EN
50
VS
tON
tOFF
INSERTION LOSS = 20log
VOUT VS
Figure 18. Switch Timing: tON, tOFF
Figure 21. Insertion Loss
VDD 10F
VDD 10F
VDD
ADG904-R
RF1
NETWORK ANALYZER 50
VDD RFC RFx VOUT RL 50 GND VAx VOUT 10% 90% 90% 10% 50% 50%
RFC 50 RF2 1 0F 4 DECODER
04504-0-005
VS
VS
Ax
RL 50
VOUT
A0
A1
EN
tRISE
tFALL
CROSSTALK = 20log
VOUT VS
Figure 19. Switch Timing: tRISE, tFALL
Figure 22. Crosstalk
VDD 10F
VDD 10F
VDD
ADG904-R
RF1
50
VS VOUT
VDD
ADG904-R
RFx NC
RFC
RL 50
OSCILLOSCOPE
RF2 1 0F 4 DECODER
04504-0-006
RFC NC
50
NETWORK ANALYZER
RF2 1 0F 4 DECODER A0 A1 EN
A0
A1
EN
V OFF ISOLATION = 20log OUT VS
Figure 20. Off Isolation
Figure 23. Video Feedthrough
Rev. 0 | Page 9 of 16
04504-0-009
GND
GND
04504-0-008
GND
04504-0-007
GND
ADG904/ADG904-R
VDD 10F
VDD 10F
VDD
ADG904-R
RF1 50 RF SOURCE
VDD
ADG904-R
RF1 50
SPECTRUM RFC ANALYZER RF2 1 0F 4 DECODER GND A0 A1 EN
SPECTRUM ANALYZER
RFC RF SOURCE VS
COMBINER
RF2
RF SOURCE
04504-0-010
1 0F 4 DECODER A0 A1 EN
04504-0-011
GND
Figure 24. IP3
Figure 25. P-1 dB
Rev. 0 | Page 10 of 16
ADG904/ADG904-R APPLICATIONS
The ADG904/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 applications. They may be used in applications such as switchable filters, transmitters and receivers for radar systems, and communication systems from base stations to cell phones. The ADG9xx wideband switches are designed to meet the demands of devices transmitting at ISM band frequencies to 1 GHz and higher. The low insertion loss, high isolation between ports, single pin control interface, no requirement for dc blocking capacitors, and TTL interface compatibility make them cost effective and easy to integrate switching solutions for many high frequency switching applications and low power applications where the parts can handle up to 16 dBm of power.
VGA CABLE RF2 RF1
ADG904
ANTENNA RF3
TUNER
RF4
Figure 26. Tuner Modules
FILTER SELECTION
The ADG904 can be used to switch high frequency signals between different filters, and to multiplex the signal to the output. These SP4T switches are also ideal for high speed signal routing.
RF1
RF1
ABSORPTIVE VS. REFLECTIVE
The ADG904 is an absorptive (matched) switch with 50 terminated shunt legs; the ADG904-R is a reflective switch with 0 terminated shunts to ground. The ADG904 absorptive switch has a good VSWR on each port, regardless of the switch mode. An absorptive switch should be used when there is a need for a good VSWR that is looking into the port but not passing the through signal to the common port. The ADG904 is therefore ideal for applications that require minimum reflections back to the RF source. It also ensures that the maximum power is transferred to the load. The ADG904-R reflective switch is suitable for applications where high off port VSWR does not matter and the switch has some other desired performance feature. It can be used in many applications, including high speed filter selection. In most cases, an absorptive switch can be used instead of a reflective switch, but not vice versa.
RF2 RFIN RFC RF2
ADG904
RF3 RF3
ADG904
RFC
RFOUT
04504-0-021
RF4
RF4
Figure 27. Filter Selection
Tx/Rx SWITCHING
The low insertion loss and high isolation between ports ensures that the ADG904/ADG904-R is a suitable transmit/receive switch for all ISM band and WirelessLAN, providing the required isolation between the transmit and receive signals.
Rx
ANTENNA Tx
Rx
ADG904
Rx
04504-0-023
ANTENNA DIVERSITY SWITCH
The ADG904 is ideal for use as an antenna diversity switch, switching in different antennas to the tuner. The low insertion loss ensures minimum signal loss and high isolation between channels, making these SP4T switches suitable for switching applications in tuner modules and set-top boxes.
Rx
Figure 28. Tx/Rx Switching
Rev. 0 | Page 11 of 16
04504-0-022
ADG904/ADG904-R EVALUATION BOARD
The ADG904/ADG904-R evaluation board allows designers to evaluate the high performance, wideband switches with minimal effort. To prove that these devices meet the user's requirements, only a power supply and a network analyzer, along with the evaluation board, are required. An application note available with the evaluation board gives complete information on operating the evaluation board. The RFC port (see Figure 29) is connected through a 50 transmission line to the bottom left SMA connector, J4. RF1, RF2, RF3, and RF4 are connected through 50 transmission lines to SMA connectors J5, J6, J7, and J8, respectively. A through transmission line connects J9 and J10; this transmission line is used to estimate the loss of the PCB over the environmental conditions being evaluated. The board is constructed of 4-layer, FR4 material with a dielectric constant of 4.3 and an overall thickness of 0.062 inches. Two ground layers with grounded planes provide ground for the RF transmission lines. The transmission lines were designed using a coplanar waveguide with a ground plane model using a trace width of 0.024 inches, clearance to ground plane of 0.008 inches, dielectric thickness of 0.02 inches, and a metal thickness of 0.0021 inches.
Figure 29. ADG904/ADG904-R Evaluation Board Top View
Rev. 0 | Page 12 of 16
ADG904/ADG904-R OUTLINE DIMENSIONS
6.60 6.50 6.40
20
11
4.50 4.40 4.30 6.40 BSC
1 10
PIN 1 0.65 BSC 0.15 0.05 COPLANARITY 0.10 0.30 0.19 1.20 MAX 0.20 0.09 8 0 0.75 0.60 0.45
SEATING PLANE
COMPLIANT TO JEDEC STANDARDS MO-153AC
Figure 30. 20-Thin Shrink Small Outline Package [TSSOP] (RU-20) Dimensions shown in millimeters
ORDERING GUIDE
Model ADG904BRU ADG904BRU-500RL7 ADG904BRU-REEL ADG904BRU-REEL7 ADG904BRU-R ADG904BRU-R-500RL7 ADG904BRU-R-REEL ADG904BRU-R-REEL7 EVAL-ADG904EB EVAL-ADG904REB Temperature Range -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C Package Description Thin Shrink Small Outline Package (TSSOP) Thin Shrink Small Outline Package (TSSOP) Thin Shrink Small Outline Package (TSSOP) Thin Shrink Small Outline Package (TSSOP) Thin Shrink Small Outline Package (TSSOP) Thin Shrink Small Outline Package (TSSOP) Thin Shrink Small Outline Package (TSSOP) Thin Shrink Small Outline Package (TSSOP) Evaluation Board Evaluation Board Package Option RU-20 RU-20 RU-20 RU-20 RU-20 RU-20 RU-20 RU-20
Rev. 0 | Page 13 of 16
ADG904/ADG904-R NOTES
Rev. 0 | Page 14 of 16
ADG904/ADG904-R NOTES
Rev. 0 | Page 15 of 16
ADG904/ADG904-R NOTES
(c) 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D04504-0-5/04(0)
Rev. 0 | Page 16 of 16

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