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20 MHz to 1.0 GHz IF Gain Block ADL5536
FEATURES
Fixed gain of 20 dB Operation from 20 MHz to 1.0 GHz Input and output internally matched to 50 Integrated bias control circuit OIP3 45.0 dBm at 190 MHz 49.0 dBm at 380 MHz Noise figure 2.6 dB at 190 MHz 2.7 dB at 380 MHz P1dB of 19.6 dBm at 190 MHz Single 5 V power supply Low quiescent current of 105 mA MSL-1 rated SOT-89 package ESD rating of 2 kV (Class 2) Pin-compatible with the 16 dB gain ADL5535
FUNCTIONAL BLOCK DIAGRAM
GND (2)
ADL5536
BIAS
1
RFIN
2
GND
3
RFOUT
Figure 1.
GENERAL DESCRIPTION
The ADL5536 is a 20 dB linear amplifier that operates at frequencies up to 1 GHz. The device can be used in a wide variety of cellular, CATV, military, and instrumentation equipment. The ADL5536 provides the highest dynamic range available from an internally matched IF gain block. This is accomplished by providing extremely low noise figures and very high OIP3 specifications simultaneously across the entire 1 GHz frequency range. The ADL5536 also provides extremely flat gain and P1dB over frequency, which are stable over temperature, power supply, and from device to device. The device is internally matched to 50 at the input and output, making the ADL5536 very easy to implement in a wide variety of applications. Only input/output ac coupling capacitors, power supply decoupling capacitors, and an external inductor are required for operation. The ADL5536 is fabricated on a GaAs HBT process and has an ESD rating of 2 kV (Class 2). The device is assembled in an MSL-1 rated SOT-89 package that uses an exposed paddle for excellent thermal impedance. The ADL5536 consumes only 105 mA on a single 5 V supply and is fully specified for operation from -40C to +85C. The ADL5536 is also pin-compatible with the 16 dB gain ADL5535. Fully populated evaluation boards are available for each amplifier.
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 (c)2010 Analog Devices, Inc. All rights reserved.
08673-001
ADL5536 TABLE OF CONTENTS
Features .............................................................................................. 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Typical Scattering Parameters (S-Parameters) ......................... 5 Absolute Maximum Ratings............................................................ 6 ESD Caution .................................................................................. 6 Pin Configuration and Function Descriptions ............................. 7 Typical Performance Characteristics ..............................................8 Basic Connections .......................................................................... 10 Soldering Information and Recommended PCB Land Pattern ................................................................................ 10 ACPR Performance ........................................................................ 11 Error Vector Magnitude (EVM) Performance ........................... 11 Evaluation Board ............................................................................ 12 Outline Dimensions ....................................................................... 13 Ordering Guide .......................................................................... 13
REVISION HISTORY
4/10--Revision 0: Initial Version
Rev. 0 | Page 2 of 16
ADL5536 SPECIFICATIONS
VCC = 5 V and TA = 25C, unless otherwise noted. Table 1.
Parameter OVERALL FUNCTION Frequency Range FREQUENCY = 20 MHz Gain Output 1 dB Compression Point (P1dB) Output Third-Order Intercept (OIP3) Second Harmonic Third Harmonic Noise Figure FREQUENCY = 70 MHz Gain vs. Frequency vs. Temperature vs. Supply Voltage Output 1 dB Compression Point (P1dB) Output Third-Order Intercept (OIP3) Second Harmonic Third Harmonic Noise Figure FREQUENCY = 190 MHz Gain vs. Frequency vs. Temperature vs. Supply Voltage Output 1 dB Compression Point (P1dB) Output Third-Order Intercept (OIP3) Second Harmonic Third Harmonic Noise Figure FREQUENCY = 380 MHz Gain vs. Frequency vs. Temperature vs. Supply Voltage Output 1 dB Compression Point (P1dB) Output Third-Order Intercept (OIP3) Second Harmonic Third Harmonic Noise Figure FREQUENCY = 748 MHz Gain vs. Frequency vs. Temperature vs. Supply Voltage Output 1 dB Compression Point (P1dB) Output Third-Order Intercept (OIP3) Second Harmonic Third Harmonic Noise Figure Test Conditions/Comments Min 20 20.2 18.0 39.5 -59.2 -89.1 2.5 20.1 0.10 0.20 0.07 19.6 41.0 -63 -88 2.4 18.8 50 MHz -40C TA +85C 4.75 V to 5.25 V 18.6 f = 1 MHz, output power (POUT) = 3 dBm per tone POUT = 0 dBm POUT = 0 dBm 19.8 0.06 0.19 0.07 19.6 45.0 -59.6 -90.4 2.6 19.4 0.10 0.20 0.08 19.7 49.0 -61.4 -77.2 2.7 18.5 0.14 0.23 0.09 19.7 42.5 -53.2 -70.7 2.7 20.8 Typ Max 1000 Unit MHz dB dBm dBm dBc dBc dB dB dB dB dB dBm dBm dBc dBc dB dB dB dB dB dBm dBm dBc dBc dB dB dB dB dB dBm dBm dBc dBc dB dB dB dB dB dBm dBm dBc dBc dB
f = 1 MHz, output power (POUT) = 3 dBm per tone POUT = 0 dBm POUT = 0 dBm
50 MHz -40C TA +85C 4.75 V to 5.25 V f = 1 MHz, output power (POUT) = 3 dBm per tone POUT = 0 dBm POUT = 0 dBm
18.4 50 MHz -40C TA +85C 4.75 V to 5.25 V 18.7 f = 1 MHz, output power (POUT) = 3 dBm per tone POUT = 0 dBm POUT = 0 dBm
20.4
50 MHz -40C TA +85C 4.75 V to 5.25 V f = 1 MHz, output power (POUT) = 3 dBm per tone POUT = 0 dBm POUT = 0 dBm
Rev. 0 | Page 3 of 16
ADL5536
Parameter FREQUENCY = 900 MHz Gain vs. Frequency vs. Temperature vs. Supply Voltage Output 1 dB Compression Point (P1dB) Output Third-Order Intercept (OIP3) Second Harmonic Third Harmonic Noise Figure FREQUENCY = 1000 MHz Gain vs. Frequency vs. Temperature vs. Supply Voltage Output 1 dB Compression Point (P1dB) Output Third-Order Intercept (OIP3) Second Harmonic Third Harmonic Noise Figure POWER INTERFACE Supply Voltage (VCC) Supply Current vs. Temperature Power Dissipation Test Conditions/Comments Min Typ 18.5 0.14 0.23 0.10 19.9 41.5 -64.9 -68 2.7 18.1 0.14 0.23 0.10 19.7 40.5 -54.8 -66.6 2.8 4.5 -40C TA +85C VCC = 5 V 5.0 105 2.0 0.53 5.5 122 Max Unit dB dB dB dB dBm dBm dBc dBc dB dB dB dB dB dBm dBm dBc dBc dB V mA mA W
50 MHz -40C TA +85C 4.75 V to 5.25 V f = 1 MHz, output power (POUT) = 3 dBm per tone POUT = 0 dBm POUT = 0 dBm
50 MHz -40C TA +85C 4.75 V to 5.25 V f = 1 MHz, output power (POUT) = 3 dBm per tone POUT = 0 dBm POUT = 0 dBm
Rev. 0 | Page 4 of 16
ADL5536
TYPICAL SCATTERING PARAMETERS (S-PARAMETERS)
VCC = 5 V, TA = 25C, and the effects of the test fixture have been de-embedded up to the pins of the device. Table 2.
Frequency (MHz) 20 70 120 190 240 290 340 390 440 490 540 590 640 690 740 790 840 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 1550 S11 Magnitude (dB) -14.53 -19.07 -19.61 -19.62 -19.43 -19.04 -18.78 -18.37 -17.83 -17.32 -16.88 -16.51 -16.06 -15.72 -15.37 -15.04 -14.73 -14.35 -14.10 -13.83 -13.59 -13.38 -13.16 -12.99 -12.77 -12.61 -12.44 -12.30 -12.17 -12.01 -11.89 Angle () -120.58 -156.59 -160.48 -159.92 -157.66 -155.64 -153.97 -150.66 -149.87 -149.82 -149.59 -148.73 -148.92 -149.26 -149.29 -149.83 -150.32 -150.94 -151.64 -152.27 -153.23 -153.86 -154.76 -155.57 -156.33 -157.32 -158.19 -159.08 -159.85 -160.65 -161.57 S21 Magnitude (dB) 20.45 20.01 19.91 19.84 19.77 19.74 19.65 19.54 19.50 19.41 19.34 19.22 19.14 19.04 18.92 18.82 18.70 18.57 18.44 18.32 18.21 18.06 17.96 17.82 17.69 17.57 17.44 17.32 17.19 17.06 16.95 Angle () 171.91 172.48 169.98 165.55 162.37 159.05 155.59 152.48 149.29 146.05 142.73 139.62 136.53 133.27 130.33 127.22 124.22 120.78 117.74 115.01 112.08 109.34 106.63 103.80 101.33 98.53 95.98 93.44 90.86 88.41 85.90 S12 Magnitude (dB) -22.63 -22.66 -22.65 -22.64 -22.63 -22.62 -22.62 -22.59 -22.57 -22.61 -22.61 -22.59 -22.59 -22.59 -22.58 -22.57 -22.57 -22.56 -22.56 -22.56 -22.55 -22.56 -22.55 -22.55 -22.54 -22.55 -22.56 -22.57 -22.56 -22.56 -22.56 Angle () +7.79 +0.45 -1.59 -3.78 -5.22 -6.64 -7.93 -9.34 -10.74 -12.05 -13.36 -14.66 -16.00 -17.30 -18.61 -19.92 -21.26 -22.85 -24.21 -25.53 -26.89 -28.24 -29.58 -30.95 -32.33 -33.74 -35.12 -36.43 -37.74 -39.12 -40.49 S22 Magnitude (dB) -16.26 -16.29 -16.26 -16.06 -15.84 -15.58 -15.28 -14.97 -14.53 -14.14 -13.80 -13.47 -13.12 -12.80 -12.51 -12.23 -11.96 -11.65 -11.42 -11.19 -10.99 -10.80 -10.63 -10.47 -10.30 -10.16 -10.03 -9.92 -9.81 -9.70 -9.59 Angle () -139.94 -164.26 -166.95 -165.90 -164.33 -162.72 -161.62 -159.87 -158.25 -158.63 -158.50 -158.24 -158.50 -158.89 -159.33 -159.94 -160.63 -161.64 -162.56 -163.52 -164.55 -165.66 -166.70 -167.80 -168.91 -170.07 -171.34 -172.44 -173.47 -174.66 -175.76
Rev. 0 | Page 5 of 16
ADL5536 ABSOLUTE MAXIMUM RATINGS
Table 3.
Parameter Supply Voltage, VCC Input Power (Referred to 50 ) Internal Power Dissipation (Paddle Soldered) JA (Junction to Air) JC (Junction to Paddle) Maximum Junction Temperature Lead Temperature (Soldering, 60 sec) Operating Temperature Range Storage Temperature Range Rating 6.5 V 20 dBm 650 mW 30.7C/W 5.0C/W 150C 240C -40C to +85C -65C to +150C
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ESD CAUTION
Rev. 0 | Page 6 of 16
ADL5536 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
RFIN
1
ADL5536
GND
2
TOP VIEW (Not to Scale)
(2)
GND
RFOUT
3
Figure 2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No. 1 2 3 (2) Mnemonic RFIN GND RFOUT Exposed Paddle Description RF Input. This pin requires a dc blocking capacitor. Ground. Connect this pin to a low impedance ground plane. RF Output and Supply Voltage. A dc bias is provided to this pin through an inductor that is connected to the external power supply. The RF path requires a dc blocking capacitor. Exposed Paddle. The exposed paddle is internally connected to GND and must be soldered to a low impedance ground plane.
Rev. 0 | Page 7 of 16
08673-002
NOTES 1. THE EXPOSED PADDLE IS INTERNALLY CONNECTED TO GND AND MUST BE SOLDERED TO A LOW IMPEDANCE GROUND PLANE.
ADL5536 TYPICAL PERFORMANCE CHARACTERISTICS
50 OIP3 45
NF, GAIN, P1dB, OIP3 (dB, dBm) 19.8 19.4 19.0 +25C +25C +85C 20.2 -40C 52 50 48 46 -40C 18.2 17.8 17.4 +85C 44 42 40 38
08673-006
08673-021 08673-007
54
40 35 30 25 P1dB 20 15 10 5 0 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) NF
08673-003
P1dB (dBm)
18.6
GAIN
17.0 16.6
0
100
200
300
400
500
600
700
800
900
36 1000
FREQUENCY (MHz)
Figure 3. Noise Figure, Gain, P1dB, and OIP3 vs. Frequency
Figure 6. P1dB and OIP3 vs. Frequency and Temperature
21.0 20.5 20.0 -40C +25C 19.0 18.5 18.0 +85C
OIP3 (dBm)
50 48 46 44 42 40 38 36 34 748MHz 900MHz 1000MHz 20MHz 70MHz 190MHz 380MHz
GAIN (dB)
19.5
17.5 17.0
32
0
100
200
300
400
500
600
700
800
900
1000
08673-004
30 -4 -2 0 2 4 6 8 10 12 14 POUT PER TONE (dBm)
FREQUENCY (MHz)
Figure 4. Gain vs. Frequency and Temperature
Figure 7. OIP3 vs. Output Power (POUT) and Frequency
-6 -8 -10 S22
4.2 4.0 3.8 3.6
NOISE FIGURE (dB)
S-PARAMETERS (dB)
-12 -14 -16 -18 -20 -22 -24 -26 0 100 200
3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 +25C
+85C
S11
-40C
S12 300 400 500 600 700 800 900 1000
08673-005
1.6 1.4 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz)
FREQUENCY (MHz)
Figure 5. Input Return Loss (S11), Output Return Loss (S22), and Reverse Isolation (S12) vs. Frequency
Figure 8. Noise Figure vs. Frequency and Temperature
Rev. 0 | Page 8 of 16
OIP3 (dBm)
ADL5536
-30
SECOND AND THIRD HARMONICS (dBc)
70 60 50 SECOND HARMONIC
PERCENTAGE (%)
08673-009
-40 -50 -60 THIRD HARMONIC -70 -80 -90 -100 0 100 200 300 400 500 600 700 FREQUENCY (MHz) 800 900 1000
40 30 20 10 0 OIP3 (dBm)
08673-012
08673-014
40
41
42
43
44
45
46
47
48
49
50
51
Figure 9. Single-Tone Harmonics vs. Frequency, POUT = 0 dBm
Figure 12. OIP3 Distribution at 190 MHz, POUT = 3 dBm
60
70 60 50
50
PERCENTAGE (%)
PERCENTAGE (%)
40
40 30 20
30
20
10
10 0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 NOISE FIGURE (dB)
0 GAIN (dB)
08673-010
19.2
19.4
19.6
19.8
20.0
20.2
20.4
Figure 10. Gain Distribution at 190 MHz
Figure 13. Noise Figure Distribution at 190 MHz
30
130 125 5.25V
25
SUPPLY CURRENT (mA)
120 115 110 105 100 95 90 85
08673-011
PERCENTAGE (%)
20
15
5.00V
10
5
4.75V
0 19.0 19.2 19.4 19.6 P1dB (dBm) 19.8 20.0 20.2
80 -40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90
TEMPERATURE (C)
Figure 11. P1dB Distribution at 190 MHz
Figure 14. Supply Current vs. Temperature
Rev. 0 | Page 9 of 16
08673-013
ADL5536 BASIC CONNECTIONS
The basic connections for operating the ADL5536 are shown in Figure 15. Recommended components are listed in Table 5. The input and output should be ac-coupled with appropriately sized capacitors (device characterization was performed with 0.1 F capacitors). A 5 V dc bias is supplied to the amplifier through the bias inductor connected to RFOUT (Pin 3). The bias voltage should be decoupled using a 1 F capacitor, a 1.2 nF capacitor, and a 68 pF capacitor.
GND VCC C6 1F C5 (2)
SOLDERING INFORMATION AND RECOMMENDED PCB LAND PATTERN
Figure 16 shows the recommended land pattern for the ADL5536. To minimize thermal impedance, the exposed paddle on the package underside, along with Pin 2, should be soldered to a ground plane. If multiple ground layers exist, they should be stitched together using vias. For more information about land pattern design and layout, refer to the AN-772 Application Note, A Design and Manufacturing Guide for the Lead Frame Chip Scale Package (LFCSP).
1.80mm
GND
1.2nF C4 68pF L1 470nH
ADL5536
RFOUT RFIN GND
1 2 3
3.48mm
C2 RFOUT 0.1F
08673-015
RFIN
C1 0.1F
5.56mm
0.20mm
Figure 15. Basic Connections
0.86mm
0.62mm
1.27mm
1.50mm 3.00mm
Figure 16. Recommended Land Pattern
Table 5. Recommended Components for Basic Connections
Frequency 20 MHz to 1000 MHz C1 0.1 F C2 0.1 F L1 470 nH (Coilcraft 0603LS-NX or equivalent) C4 68 pF C5 1.2 nF C6 1 F
Rev. 0 | Page 10 of 16
08673-016
ADL5536 ACPR PERFORMANCE
Figure 17 shows a plot of the adjacent channel power ratio (ACPR) vs. POUT for the ADL5536. The signal type used is a single wideband code division multiple access (W-CDMA) carrier (Test Model 1-64). This signal is generated by a very low ACPR source. ACPR is measured at the output by a high dynamic range spectrum analyzer that incorporates an instrument noise-correction function. At an output power level of +8 dBm, ACPR is still very low at -65 dBc, making the device suitable for use in driver applications.
-30
ERROR VECTOR MAGNITUDE (EVM) PERFORMANCE
Error vector magnitude (EVM) is a measure used to quantify the performance of a digital radio transmitter or receiver. A signal received by a receiver has all constellation points at their ideal locations; however, various imperfections in the implementation (such as magnitude imbalance, noise floor, and phase imbalance) cause the actual constellation points to deviate from their ideal locations. The ADL5536 shows excellent performance when used with higher-order modulation schemes, such as a 16 QAM. Figure 18 illustrates the EVM performance of the ADL5536 when driven with a 16 QAM 10 Msym/s signal. Degradation of the EVM performance starts to occur at an output power of +12 dBm.
-20 -22 380MHz
-40 380MHz -50
ACPR (dBc)
-60
190MHz SOURCE POWER OUTPUT REFERRED
-24
190MHz
-26
190MHz
-70
EVM (dB)
-28 -30 -32 -34 -36 -38 3 5 7 9 11 POUT (dBm) 13 15 17 19
08673-019
-80 380MHz SOURCE POWER OUTPUT REFERRED -5 -3 -1 1 3 5 7 9 11 13
08673-020
380MHz SOURCE POWER OUTPUT REFERRED 190MHz SOURCE POWER OUTPUT REFERRED
-90 POUT (dBm)
Figure 17. ACPR vs. POUT, Single W-CDMA Carrier (Test Model 1-64) at 190 MHz and 380 MHz
-40
Figure 18. EVM Performance vs. POUT with a 16 QAM, 10 Msym/s Signal
Rev. 0 | Page 11 of 16
ADL5536 EVALUATION BOARD
Figure 19 shows the evaluation board layout, and Figure 20 shows the schematic for the ADL5536 evaluation board. The board is powered by a single 5 V supply. The components used on the board are listed in Table 6. Power can be applied to the board through clip-on leads (VCC and GND).
RFIN
1 (2) GND VCC C6 1F C5
GND
1.2nF C4 68pF L1 470nH
ADL5536
2
RFOUT
GND
RFIN
3
C1 0.1F
C2 RFOUT 0.1F
08673-015
Figure 20. Evaluation Board Schematic
Figure 19. Evaluation Board Layout (Top)
Table 6. Evaluation Board Components
Component C1, C2 L1 VCC, GND C4 C5 C6 Description AC coupling capacitors DC bias inductor Clip-on terminals for power supply Power supply decoupling capacitor Power supply decoupling capacitor Power supply decoupling capacitor Default Value 0.1 F, 0402 470 nH, 0603 (Coilcraft 0603LS-NX or equivalent) 68 pF, 0603 1.2 nF, 0603 1 F, 1206
08673-018
Rev. 0 | Page 12 of 16
ADL5536 OUTLINE DIMENSIONS
*1.75 1.55
4.25 3.94
1
(2)
2.60 2.30
3
2
1.50 TYP 3.00 TYP
1.20 0.75
4.60 4.40 0.44 0.35 *0.56 0.36
2.29 2.14 1.60 1.40
END VIEW *0.52 0.32
*COMPLIANT TO JEDEC STANDARDS TO-243 WITH THE EXCEPTION OF DIMENSIONS INDICATED BY AN ASTERISK.
Figure 21. 3-Lead Small Outline Transistor Package [SOT-89] (RK-3) Dimensions shown in millimeters
ORDERING GUIDE
Model 1 ADL5536ARKZ-R7 ADL5536-EVALZ
1
Temperature Range -40C to +85C
Package Description 3-Lead SOT-89, 7" Tape and Reel Evaluation Board
12-18-2008-B
Package Option RK-3
Z = RoHS Compliant Part.
Rev. 0 | Page 13 of 16
ADL5536 NOTES
Rev. 0 | Page 14 of 16
ADL5536 NOTES
Rev. 0 | Page 15 of 16
ADL5536 NOTES
(c)2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D08673-0-4/10(0)
Rev. 0 | Page 16 of 16

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