AD8345ARE-REEL7 Analog Devices Inc, AD8345ARE-REEL7 Datasheet
AD8345ARE-REEL7
Specifications of AD8345ARE-REEL7
Related parts for AD8345ARE-REEL7
AD8345ARE-REEL7 Summary of contents
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FEATURES 140 MHz to 1000 MHz operating frequency +2.5 dBm P1dB @ 800 MHz −155 dBm/Hz noise floor 0.5 degree RMS phase error (IS95) 0.2 dB amplitude balance Single 2 5.5 V supply Pin-compatible with AD8346 and AD8349 ...
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AD8345 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 Product Description......................................................................... 1 Applications....................................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. 5 Typical Performance ...
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SPECIFICATIONS −2 dBm @ 800 MHz; 50 Ω source and load impedances; I and Q inputs 0.7 V ±0 each side for a 1.2 V p-p S differential input, I and Q ...
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AD8345 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltage VPS1, VPS2 Input Power LOIP, LOIN (re 50 Ω) IBBP, IBBN, QBBP, QBBN Internal Power Dissipation θ (Exposed Paddle Soldered Down) JA θ (Exposed Paddle not Soldered Down) JA Maximum Junction ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 3. Pin Function Descriptions Pin No. Mnemonic Description 1, 2 IBBP, IBBN I Channel Baseband Differential Input Pins. These high impedance inputs should be dc-biased to approximately 0.7 V. Nominal characterized ac swing is ...
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AD8345 TYPICAL PERFORMANCE CHARACTERISTICS 0 – 5V, DIFFERENTIAL INPUT = 1.2V p-p S –4 –6 –8 –10 –12 – 2.7V, DIFFERENTIAL INPUT = 200mV p-p S –16 –18 –20 250 300 350 400 450 500 550 ...
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V = 5V, DIFFERENTIAL INPUT = 1.2V p-p –40 S –42 –44 – 2.7V, DIFFERENTIAL INPUT = 200mV p-p S –48 –50 –40 – TEMPERATURE (°C) Figure 9. Carrier Feedthrough vs. ...
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AD8345 –45 –50 – 5V, DIFFERENTIAL INPUT = 1.2V p-p S –60 –65 –70 – 2.7V, DIFFERENTIAL INPUT = 200mV p-p S –80 –40 – TEMPERATURE ( ° C) Figure 15. Third Order Distortion ...
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–155 –156 –157 –158 –159 –160 –10 –9 –8 –7 –6 –5 –4 –3 LO LEVEL (dBm) Figure 21. Noise Floor vs. LO Input Power (T = 25° 800 ...
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AD8345 EQUIVALENT CIRCUITS VPS2 BUFFER INPUT CURRENT MIRROR Figure 23. Circuit A VPS1 LOIN LOIP CONTINUES Figure 24. Circuit B TO MIXER CORE PHASE SPLITTER Rev Page VPS2 100kΩ 100kΩ ENBL TO BIAS FOR STARTUP/ ...
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CIRCUIT DESCRIPTION OVERVIEW The AD8345 can be divided into the following sections: local oscillator (LO) interface, mixer, differential voltage-to-current (V-to-I) converter, differential-to-single-ended (D-to-S) converter, and bias. A block diagram of the part is shown in Figure 27. LOIP PHASE LOIN ...
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AD8345 BASIC CONNECTIONS ETC1-1-13 50Ω The basic connections for operating the AD8345 are shown in Figure 28. A single power supply of between 2.7 V and 5 applied to ...
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BASEBAND I AND Q CHANNEL DRIVE The I channel and Q channel baseband inputs should be driven differentially. This is convenient as most modern high-speed DACs have differential outputs. For optimal performance the drive signal ...
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AD8345 10kΩ 1.5kΩ 348Ω 49.9Ω 348Ω 24.9Ω 348Ω 49.9Ω 348Ω 24.9Ω Note that this circuit assumes that the single-ended I and Q signals are ground-referenced. Any differential dc-offsets result in increased LO leakage at the output ...
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DVDD DCOM LATCH "I" DAC DATA INPUTS LATCH "Q" SELECT MUX CONTROL WRITE CLOCK SLEEP SOLDERING INFORMATION The AD8345 is packaged in a 16-lead TSSOP_EP package. For optimum thermal conductivity, the exposed pad can be soldered to the exposed metal ...
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AD8345 Figure 33. Evaluation Board Silkscreen Figure 34. Layout of Evaluation Board, Top Layer Figure 35. Layout of Evaluation Board, Bottom Layer Rev Page ...
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CHARACTERIZATION SETUPS SSB SETUP Essentially, two primary setups are used to characterize the AD8345. These setups are shown in Figure 37 and Figure 38. Figure 37 shows the setup used to evaluate the product as a single sideband modulator. The ...
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AD8345 MODULATED WAVEFORM SETUP To evaluate the AD8345 with modulated waveforms, the setup shown in Figure 38 is used. A Rohde & Schwarz AMIQ signal generator with differential outputs is used to generate the baseband signals. For all measurements, the ...
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... OUTLINE DIMENSIONS Figure 42. 16-Lead Thin Shrink Small Outline with Exposed Pad (TSSOP_EP) ORDERING GUIDE Model Temperature Range AD8345ARE −40°C to +85°C AD8345ARE-REEL7 −40°C to +85°C AD8345AREZ 1 −40°C to +85°C 1 AD8345AREZ-RL7 −40°C to +85°C AD8345-EVAL Pb-free part. 5.10 5 ...
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AD8345 NOTES © 2005 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C00932-0-12/05(B) Rev Page ...