SA7025DK NXP Semiconductors, SA7025DK Datasheet
SA7025DK
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SA7025DK Summary of contents
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SA7025 Low-voltage 1GHz fractional-N synthesizer Product specification IC17 Data Handbook INTEGRATED CIRCUITS 1996 Aug 6 ...
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... REF AUX TEMPERATURE RANGE –40 to +85 C PARAMETER , V CCP 2 Product specification SA7025 DK Package TEST 19 LOCK DDA 7 14 PHP 8 PHI SSA 10 PHA IN 11 SR00600 Figure 1. Pin Configuration ORDER CODE DWG # SA7025DK SOT266-1 RATING UNITS -0.3 to +6 -65 to +150 C -40 to +85 C 853-1786 17157 ...
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Philips Semiconductors 1GHz 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 1GHz low-voltage Fractional-N synthesizer BLOCK DIAGRAM CLOCK DATA STROBE 64/65/72 PRESCALER RF IN TEST NR V CCP EM+EA 12 REFERENCE DIVIDER REF 1/4 AUX IN PRESCALER 1996 Aug ...
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Philips Semiconductors 1GHz 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 1GHz low-voltage Fractional-N synthesizer DC ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER SYMBOL PARAMETER Fractional compensation PHP, speed up mode Fractional compensation output current I I PHP_F_S S 3 PHP Pump leakage Fractional compensation PHI, speed up mode ...
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Philips Semiconductors 1GHz low-voltage Fractional-N synthesizer AC ELECTRICAL CHARACTERISTICS (continued) SYMBOL PARAMETER SYMBOL PARAMETER t t Pulse width STROBE Pulse width; STROBE SW SW NOTES: 1. When a serial input “A” word is programmed, the main charge pumps on PHP ...
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Philips Semiconductors 1GHz 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 1GHz 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 1GHz low-voltage Fractional-N synthesizer phase detector input. The 2 bit SA register determines the selection of the auxiliary phase detector signal. Main Divider The differential inputs are amplified (to internal ECL logic levels) and provide excellent sensitivity (–20dBm ...
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Philips Semiconductors 1GHz low-voltage Fractional-N synthesizer MSB WORD D31 LAST D23 D23 ADDRESS ...
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Philips Semiconductors 1GHz 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 1GHz low-voltage Fractional-N synthesizer Table 3. PR Modulus PR Modulus Prescaler Bit Capacity NM1 When the serial input A word is loaded, the output circuits are in the “speed-up mode” as long ...
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Philips Semiconductors 1GHz 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 Lock Detect The output LOCK is H when the auxiliary phase detector ...
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Philips Semiconductors 1GHz low-voltage Fractional-N synthesizer Test Pin The Test pin, Pin 19 buffered logic input which is exclusively ORed with the output of the prescaler. The output of the XOR gate is the input to the MAIN ...
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Philips Semiconductors 1GHz low-voltage Fractional-N synthesizer TYPICAL PERFORMANCE CHARACTERISTICS CCP DDA Note5 2.7 3.5 4.5 SUPPLY VOLTAGE (V) Figure 12. Operational Supply ...
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Philips Semiconductors 1GHz low-voltage Fractional-N synthesizer TYPICAL PERFORMANCE CHARACTERISTICS (continued) 0 –5 –10 –15 –20 –25 N=100 – FREQUENCY (MHz) Figure 18. Reference Divider Minimum Input Power vs frequency and Supply 0 V ...
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Philips Semiconductors 1GHz low-voltage Fractional-N synthesizer j0.5 0 –j0.5 1996 Aug 300 600 900 1100 –j2 –j1 Figure 24. Typical RF Input Impedance IN 18 Product specification SA7025 CCP DD T ...
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... Philips Semiconductors 1GHz low-voltage Fractional-N synthesizer Figure 25. SA7025DK Demoboard Layout (NOT ACTUAL SIZE) 1996 Aug 6 TOP SILK SCREEN TOP VIEW BOTTOM VIEW 19 Product specification SA7025 SR00621 ...
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... Philips Semiconductors 1GHz low-voltage Fractional-N synthesizer 1996 Aug 6 Figure 26. SA7025DK Application Circuit 20 Product specification SA7025 SR00622 ...
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Philips Semiconductors 1GHz low-voltage Fractional-N synthesizer SSOP20: plastic shrink small outline package; 20 leads; body width 4.4 mm 1996 Aug 6 21 Product specification SA7025 SOT266-1 ...
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Philips Semiconductors Low-voltage 1GHz 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 ...