SA8025ADK NXP Semiconductors, SA8025ADK Datasheet
SA8025ADK
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SA8025ADK Summary of contents
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SA8025A Low-voltage 1.8GHz fractional-N synthesizer Product specification IC17 Data Handbook INTEGRATED CIRCUITS 1996 Oct 15 ...
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... TEST 19 LOCK DDA 7 14 PHP 8 PHI SSA 10 PHA IN 11 SR00623 Figure 1. Pin Configuration = –20dBm RF_IN ORDER CODE DWG # SA8025ADK SOT266-1 RATING UNITS -0.3 to +6 -65 to +150 C -40 to +85 C 853-1785 17401 ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer PIN DESCRIPTIONS Symbol Pin CLOCK 1 Serial clock input DATA 2 Serial data input STROBE 3 Serial strobe input V 4 Digital ground Prescaler positive input IN 6 Prescaler negative input ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer BLOCK DIAGRAM CLOCK DATA STROBE 64/65/68/73 PRESCALER RF IN TEST NR V CCP EM+EA 12 REFERENCE DIVIDER REF 1/4 AUX IN PRESCALER 1996 Oct ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer DC ELECTRICAL CHARACTERISTICS 3V unless otherwise specified. DD DDA CCP A SYMBOL SYMBOL PARAMETER PARAMETER V Recommended operating conditions SUPPLY I Total standby supply ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer DC ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER SYMBOL PARAMETER Fractional compensation PHP, speed up mode Fractional compensation output current Fractional compensation output current I I PHP_F_S PHP_F_S 3 3 PHP vs F PHP ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer AC ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER SYMBOL PARAMETER Pulse width; STROBE Pulse width; STROBE Pulse width; STROBE NOTES: 1. When a serial input “A” word is programmed, the main ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer CURRENT CLOCK DATA STROBE 10K 22nF 22nF 22nF V CCP 22nF REF IN 50 150k 22nF AUX IN ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer AC TIMING CHARACTERISTICS DATA 50% CLOCK FIRST CLOCK STROBE 50% CLOCK STROBE ( WORDS FUNCTIONAL DESCRIPTION Serial Input Programming The serial input is a 3-wire input (CLOCK, STROBE, ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer “1” NA; with 4095 Reference Divider The input signal on REF_IN is amplified to logic level by a single-ended CMOS input buffer, which accepts low ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer MSB LAST IN WORD D31 D23 D23 ADDRESS ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer Table 1. Function Table Symbol Bits NM1 12 Number of main divider cycles when prescaler modulus = “01” Number of main divider cycles when prescaler modulus = 65 NM2 ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer REFERENCE REF_IN DIVIDER AUX/MAIN DIVIDER REF_IN Phase Detectors The auxiliary and main phase detectors are a two D-type flip-flop phase and frequency detector shown in Figure 8. ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer REFERENCE R MAIN N VCO CYCLES N DETECTOR OUTPUT CONTENTS ACCUM. FRACTIONAL COMPENSATION CURRENT PULSE-WIDTH MODULATION OUTPUT ON PHP, PHI PULSE-LEVEL MODULATION Main Output Charge Pumps and Fractional Compensation Currents The main charge pumps ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer FRD PHI_comp 128 Figure 9 shows that for proper fractional compensation, the area of the fractional compensation current pulse must be equal to the area ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer PIN FUNCTIONS PIN PIN DC V EQUIVALENT CIRCUIT No. MNEMONIC 1 CLOCK –– 2 DATA –– STROBE –– 19 TEST –– ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer TYPICAL PERFORMANCE CHARACTERISTICS CCP DDA DD EA=0, EM=1, Note5 2.7 3.5 4.5 SUPPLY VOLTAGE (V) Figure 12. Operational ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer TYPICAL PERFORMANCE CHARACTERISTICS 0 –5 –10 –15 –20 –25 N=100 – FREQUENCY (MHz) Figure 18. Reference Divider Minimum Input Power vs Frequency and Supply 0 V –5 ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer j0.5 0 –j0.5 1996 Oct 500 800 1200 1600 –j2 2000 –j1 Figure 24. Typical RF Input Impedance IN 19 Product specification SA8025A CCP DD T ...
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... Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer Figure 25. SA8025ADK Demoboard Layout (NOT ACTUAL SIZE) 1996 Oct 15 TOP SILK SCREEN TOP VIEW BOTTOM VIEW 20 Product specification SA8025A SR00576 ...
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... Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer 1996 Oct 15 Figure 26. SA8025ADK Application Circuit 21 Product specification SA8025A SR00577 ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer SSOP20: plastic shrink small outline package; 20 leads; body width 4.4 mm 1996 Oct 15 22 Product specification SA8025A SOT266-1 ...
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Philips Semiconductors 1.8GHz low-voltage Fractional-N synthesizer Data Sheet Identification Product Status Objective Specification Formative or in Design Preliminary Specification Preproduction Product Product Specification Full Production Philips Semiconductors and Philips Electronics North America Corporation reserve the right to make changes, without ...