AD9125-M5375-EBZ Analog Devices Inc, AD9125-M5375-EBZ Datasheet
AD9125-M5375-EBZ
Specifications of AD9125-M5375-EBZ
Related parts for AD9125-M5375-EBZ
AD9125-M5375-EBZ Summary of contents
Page 1
FEATURES Output frequency range: 400 MHz to 6 GHz 1 dB output compression: ≥9.4 dBm from 450 MHz to 4 GHz Output return loss ≤ from 450 MHz to 5.5 GHz Noise floor: −160 dBm/Hz @ 900 MHz ...
Page 2
ADL5375 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Absolute Maximum Ratings ............................................................ 7 ESD Caution .................................................................................. 7 Pin Configuration and Function Descriptions ...
Page 3
SPECIFICATIONS 25° dBm single-ended drive; baseband I/Q amplitude = 1 V p-p differential sine waves in quadrature with 500 mV (ADL5375-05) or 1500 mV (ADL5375-15) dc bias; baseband ...
Page 4
ADL5375 Parameter Conditions LO = 1900 MHz Output Power p-p differential OUT IQ Modulator Voltage Gain RF output divided by baseband input voltage Output P1dB Output Return Loss Carrier Feedthrough Sideband Suppression Quadrature Error I/Q ...
Page 5
Parameter Conditions LO = 2600 MHz Output Power p-p differential OUT IQ Modulator Voltage Gain RF output divided by baseband input voltage Output P1dB Output Return Loss Carrier Feedthrough Sideband Suppression Quadrature Error I/Q Amplitude ...
Page 6
ADL5375 Parameter Conditions LO = 5800 MHz Output Power p-p differential OUT IQ Modulator Voltage Gain RF output divided by baseband input voltage Output P1dB Output Return Loss Carrier Feedthrough Sideband Suppression Quadrature Error I/Q ...
Page 7
ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltage, VPOS IBBP, IBBN, QBBP, QBBN LOIP and LOIN Internal Power Dissipation ADL5375-05 ADL5375-15 1 θ (Exposed Paddle Soldered Down) JA Maximum Junction Temperature Operating Temperature Range Storage Temperature Range 1 Per JDEC ...
Page 8
ADL5375 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 3. Pin Function Descriptions Pin No. Mnemonic Description 1 DSOP Output Disable. A logic high on this pin disables the RF output. Connect this pin to ground or leave it floating to enable ...
Page 9
TYPICAL PERFORMANCE CHARACTERISTICS ADL5375- 25° dBm single-ended drive; baseband I/Q amplitude = 1 V p-p differential sine waves in quadrature with 500 mV dc bias; baseband I/Q frequency ...
Page 10
ADL5375 ADL5375-05 0 –5 –10 –15 T –20 –25 –30 –35 –40 –45 –50 –55 –60 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 LO FREQUENCY (GHz) Figure 9. Carrier Feedthrough vs. LO Frequency (f Multiple Devices Shown 0 –10 ...
Page 11
ADL5375-05 0 SSB OUTPUT –10 POWER (dBm) CARRIER –20 FEEDTHROUGH (dBm) –30 –40 –50 –60 –70 SECOND-ORDER DISTORTION (dBc) –80 –90 THIRD-ORDER DISTORTION (dBc) –100 0.06 0.1 BASEBAND INPUT VOLTAGE (V rms) Figure 15. Second- and Third-Order Distortion, Carrier Feedthrough, ...
Page 12
ADL5375 ADL5375-05 –20 SSB OUTPUT POWER (dBm) –30 CARRIER FEEDTHROUGH (dBm) –40 –50 SIDEBAND SUPPRESSION (dBc) –60 –70 SECOND-ORDER DISTORTION (dBc) –80 –6 –4 – AMPLITUDE (dBm) Figure 21. Second- and Third-Order Distortion, Carrier Feedthrough, Sideband Suppression, and ...
Page 13
ADL5375- –160.5 –160.1 –159.7 –159.3 NOISE (dBm/Hz) Figure 25. 20 MHz Offset Noise Floor Distribution at f (I/Q Amplitude = 0 mV p-p with 500 mV DC Bias ...
Page 14
ADL5375 ADL5375- 25° dBm single-ended drive; baseband I/Q amplitude = 1 V p-p differential sine waves in quadrature with 1500 mV dc bias; baseband I/Q frequency (f 5 ...
Page 15
ADL5375-15 0 –5 –10 –15 –20 –25 –30 –35 –40 –45 –50 –55 –60 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 LO FREQUENCY (GHz) Figure 34. Carrier Feedthrough vs. LO Frequency (f Multiple Devices Shown 0 –10 –20 –30 ...
Page 16
ADL5375 ADL5375-15 0 SSB OUTPUT –10 POWER (dBm) CARRIER FEEDTHROUGH (dBm) –20 –30 SIDEBAND SUPPRESSION (dBc) –40 –50 –60 SECOND-ORDER DISTORTION (dBc) –70 THIRD-ORDER DISTORTION (dBc) –80 –90 –100 0.06 0.1 BASEBAND INPUT VOLTAGE (V rms) Figure 40. Second- and ...
Page 17
ADL5375-15 –20 CARRIER SSB OUTPUT FEEDTHROUGH (dBm) POWER (dBm) –30 –40 –50 SIDEBAND SUPPRESSION (dBc) –60 –70 –80 –6 –4 – AMPLITUDE (dBm) Figure 46. Second- and Third-Order Distortion, Carrier Feedthrough, Sideband Suppression, and SSB P vs. LO ...
Page 18
ADL5375 ADL5375- –158.5 –158.3 –158.1 –157.9 –157.7 –157.5 –157.3 –157.1 NOISE (dBm/Hz) Figure 50. 20 MHz Offset Noise Floor Distribution at f (I/Q Amplitude = 0 mV p-p with 1500 mV DC Bias) ...
Page 19
THEORY OF OPERATION CIRCUIT DESCRIPTION The ADL5375 can be divided into five circuit blocks: the LO interface, the baseband voltage-to-current (V-to-I) converter, the mixers, the differential-to-single-ended (D-to-S) stage, and the bias circuit. A block diagram of the device is shown ...
Page 20
ADL5375 BASIC CONNECTIONS VPOS VPOS 1000pF LOIP C7 1000pF Figure 54 shows the basic connections for the ADL5375. POWER SUPPLY AND GROUNDING Pin VPS1 and Pin VPS2 should be connected to the same 5 V source. ...
Page 21
OUTPUT DISABLE The ADL5375 incorporates an output disable pin feature that shuts down the output amplifier stage to isolate the modulator from the load. This feature is enabled (output is disabled) when the voltage on the DSOP exceeds 2 V. ...
Page 22
ADL5375 OPTIMIZATION The carrier feedthrough and sideband suppression performance of the ADL5375 can be improved by using optimization techniques. Carrier Feedthrough Nulling Carrier feedthrough results from minute dc offsets that occur between each of the differential baseband inputs ...
Page 23
APPLICATIONS INFORMATION DAC MODULATOR INTERFACING Driving the ADL5375-05 with a TXDAC® The ADL5375-05 is designed to interface with minimal components to members of the Analog Devices, Inc. TxDAC families. These dual-channel differential current output DACs feature an output current swing ...
Page 24
ADL5375 AD9779A LPI 771.1nH 93 OUT1_P RBIP 50Ω 53.62nF 350.1pF C1I C2I RBIN 50Ω 92 OUT1_N LNI 771.1nH LNQ 771.1nH 84 OUT2_N RBQN 50Ω 53.62nF 350.1pF RSLQ C1Q C2Q RBQP 100Ω 50Ω 83 OUT2_P LPQ 771.1nH Figure 60. DAC Modulator ...
Page 25
GSM/EDGE OPERATION The performance of the ADL5375 in a GSM/EDGE environ- ment is shown in this section. Figure 64 illustrates the 6 MHz offset noise of the ADL5375-05 and the ADL5375-15 vs. output power at 940 MHz. Figure 65 demonstrates ...
Page 26
ADL5375 6.0 5.5 5.0 COMPOSITE EVM 4.5 4.0 3.5 3.0 2.5 2.0 1.5 SYMBOL EVM 1.0 0.5 0 –6 –4 – DRIVE (dBm) Figure 69. ADL5375-15 Single Carrier W-CDMA Composite and Symbol EVM vs. LO Drive at 2140 ...
Page 27
EVALUATION BOARD Populated RoHS-compliant evaluation boards are available for evaluation of both versions of the ADL5375. The ADL5375 package has an exposed paddle on the underside. This exposed paddle should be soldered to the board for good thermal and electrical ...
Page 28
Figure 71. Evaluation Board Layout, Top Layer Figure 72. Evaluation Board Layout, Bottom Layer THERMAL GROUNDING AND EVALUATION BOARD LAYOUT The package for the ADL5375 features an exposed paddle on the underside that should be well soldered to a low ...
Page 29
CHARACTERIZATION SETUP AEROFLEX 250kHz TO 6GHz SIGNAL GENERATOR FREQ 4MHz BIAS 0.5V BIAS 0.5V AGILENT 34401A MULTIMETER 0.175 ADC VPOS +5V AGILENT E3631A POWER SUPPLY 5.000 0.175A 6V – + The primary setup used to characterize the ADL5375 is shown ...
Page 30
ADL5375 TEKTRONIX AFG3252 DUAL FUNCTION ARBITRARY FUNCTION GENERATOR CH1 1MHz AMPL 700mV p-p PHASE 0° CH2 1MHz AMPL 700mV p-p PHASE 90° 0° AGILENT E3631A POWER SUPPLY 5.000 0.350A 6V VPOS +5V – +5V VPOS +5V AGILENT E3631A ...
Page 31
OUTLINE DIMENSIONS PIN 1 INDICATOR 1.00 12° MAX 0.85 0.80 SEATING PLANE ORDERING GUIDE Model Temperature Range 1 ADL5375-05ACPZ-R7 −40°C to +85°C 1 ADL5375-05ACPZ-WP −40°C to +85°C 1 ADL5375-05-EVALZ 1 ADL5375-15ACPZ-R7 −40°C to +85°C 1 ADL5375-15ACPZ-WP −40°C to +85°C 1 ...
Page 32
ADL5375 NOTES ©2007–2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07052-0-11/08(A) Rev Page ...