AD8369ARUZ Analog Devices Inc, AD8369ARUZ Datasheet
AD8369ARUZ
Specifications of AD8369ARUZ
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AD8369ARUZ Summary of contents
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FEATURES Digitally Controlled Variable Gain Steps – + – + 200 ) L Less than 0.2 dB Flatness over a +20 MHz Bandwidth ...
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AD8369–SPECIFICATIONS Parameter Conditions OVERALL FUNCTION Frequency Range 3 dB Bandwidth GAIN CONTROL INTERFACE Voltage Gain Span Maximum Gain All bits high ( Minimum Gain All bits low ( Gain Step Size Gain Step Accuracy ...
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SPECIFICATIONS (Continued) Parameter Conditions Frequency = 70 MHz Voltage Gain Within ± 20 MHz of 70 MHz Gain Flatness Noise Figure Output IP3 f1 = 69.3 MHz 70.7 MHz IMD f1 = 69.3 MHz 70.7 MHz ...
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AD8369 SPECIFICATIONS (Continued) Parameter Conditions Frequency = 380 MHz Voltage Gain Within ± 20 MHz of 380 MHz Gain Flatness Noise Figure Output IP3 f1 = 379.55 MHz 380.45 MHz IMD f1 = 379.55 MHz 380.45 ...
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ABSOLUTE MAXIMUM RATINGS* Supply Voltage V , VPOS . . . . . . . . . . . . . . . . . . . . . . . . 5 PWUP . . . . ...
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AD8369 Pin No. Mnemonic Function 1 INLO Balanced Differential Input. Internally biased, should be ac-coupled. 2 COMM Device Common. Connect to low impedance ground. 3 BIT0 Gain Selection Least Significant Bit. Used as DATA input signal when in serial mode ...
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200 , Maximum gain, unless otherwise noted ...
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AD8369 –63 –64 –65 –66 –67 –68 –69 – GAIN CODE TPC 7. Two-Tone, IMD vs. Gain Code at 70 MHz – p-p, V ...
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GAIN CODE TPC 13. Output P1dB vs. Gain Code at 70 MHz, = ...
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AD8369 90 120 150 GAIN CODE 15 750MHz 180 GAIN CODES 0, 1, AND 9 210 240 270 TPC 19. Differential Input Reflection Coefficient Differential, Selected Gain Codes AVERAGE OF 128 SAMPLES ...
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0.5 1.0 GAIN ERROR AND 85 C 1.5 WITH RESPECT DATA BASED ON 45 PARTS FROM TWO BATCH LOTS. 2.0 10 100 FREQUENCY – MHz ...
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AD8369 3.06 3.08 3.10 GAIN STEP SIZE – dB/CODE TPC 31. Distribution of Gain Step Size, 70 MHz ...
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DIGITAL GAIN STEP SELECTION INHI CMDC INLO Figure 1. General Block Diagram, Control and Signal Paths Are Differential THEORY OF OPERATION The AD8369 is a digitally controlled fully differential VGA based on a variation of Analog Devices’ patented X-AMP archi- ...
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AD8369 out to pin CMDC for decoupling to ground. An external capacitor from CMDC to COMM of 0. more is recommended to lower the input common-mode impedance of the AD8369 and improve single-ended operation. Signals must be ac-coupled ...
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LINE BASIC CONNECTIONS Figure 3 shows the minimum connections required for basic operation of the AD8369. Supply voltages of between +3 V and +5.5 V are permissible. The supply to the VPOS pin should be decoupled with ...
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AD8369 For example, suppose the input signal in Figure 140 MHz sinusoid from a ground-referenced 50 W source. The 0.1 mF coupling capacitors present a very low reactance at this frequency (11 mW) so that essentially all ...
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Key considerations when laying out an RF trace with a controlled impedance include: Space the ground plane to either side of the signal trace at least • 3 line-widths away to ensure that a microstrip (vertical dielec- tric) line is ...
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AD8369 Evaluation Board The evaluation board allows for quick testing of the AD8369 using standard 50 W test equipment. The schematic is shown in Figure 9. Transformers T1 and T2 are used to transform 50 W source and load impedances ...
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Table III. AD8369 Evaluation Board Configuration Options Component Function VPOS, GND Supply and Ground Vector Pins SW1 Data Enable: Set to Position A when in serial mode of operation, set to Position B when in parallel mode of operation. SW2 ...
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AD8369 APPENDIX Characterization Equipment Two sets of automated characterization equipment were used to obtain the majority of the information contained in this data sheet. An Agilent N4441A Balanced Measurement System was used to obtain the gain, phase, group delay, reverse ...
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V S MINI-CIRCUITS TC4- 0.1 F 10nF MINI-CIRCUITS TC4-1W INLO 10nF REV. 0 0.1 F 10nF 0.1 F 1nF 10nF INHI COMM PWUP VPOS SENB FILT CMDC OPHI R AD8369 L INLO ...
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AD8369 –19dB 100nF AD8351 MACOM ETC1-1-13 LPF 100nF –12dB RF OUT R & S SMT-03 SIGNAL GENERATOR V R & S SMT-03 S SIGNAL GENERATOR 5.0V 0 OUT –34dBm AT 70MHz 10nF MINI-CIRCUITS TC4-1W 10nF PICOSECOND PULSE LABS ...
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AGILENT 8112A SPLITTER PULSE GENERATOR R & S SMT-03 SIGNAL GENERATOR RF OUT PULSE IN 10nF MINI-CIRCUITS TC4- 10nF V R & S SMT-03 S SIGNAL GENERATOR 5.0V 0 OUT –20dBm AT 10MHz 10nF MINI-CIRCUITS TC4-1W ...
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AD8369 16-Lead Thin Shrink Small Outline Package [TSSOP] 4.50 4.40 4.30 PIN 1 0.15 0.05 OUTLINE DIMENSIONS (RU-16) Dimensions shown in millimeters 5.10 5.00 4. 6.40 BSC 1 8 1.20 MAX 0.20 0.09 8 0.30 0.65 0 0.19 ...