cxa1787n Sony Electronics, cxa1787n Datasheet
cxa1787n
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cxa1787n Summary of contents
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... PLL IC for Mobile Communications Descriptions The CXA1787N is a frequency synthesizer PLL IC developed for use in mobile communication systems. This IC has low current consumption, small package and is suitable for portable sets of cellular telephone and others. Features • Low current consumption Icc = 8.0mA (typ.) 0.3mA (typ.) in power saving mode • ...
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... GND GND – 2 – CXA1787N Description Reference frequency signal input. VCO signal input. No connected. Reference frequency signal output. Oscillator is formed by connecting the crystal resonator between this pin and the OSCI pin; the oscillator signal is used as the reference frequency signal ...
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... High: 2.2V 17 TEST Low: 2.0V Equivalent circuit GND 17 – 3 – CXA1787N Description Power saving pin. Power saving mode when this pin is Low. Switching for the phases of phase comparator output and the output signals of counter (reference, programmable) output to the TEST pin. The signal output which is frequency-divided at the counter ...
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... Vcc = Vp = 2. –35°C to +85°C Vcc = Vp = 2. –35°C to +85° 0.1mA 0.1mA OL L Vcc Vcc GND except for GND IN – 4 – CXA1787N Min. Typ. Max. 8.11 12.5 300 500 150 1800 – 0.5 2 –1 1 – 2.1 80 500 0.7 – ...
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... GND except for PS IN Vcc = V = 5.5V, P – GND IN Vcc = V = 5.5V Vcc – 0.05 P Vcc = V = 5.5V, P – Vcc IN Vcc = V = 5.5V P Vcc = V = 5.5V, P – GND IN – 5 – CXA1787N Typ. Max. Unit V 1 µA 0.05 V –20 1 µ µA Vcc 0 µA –30 µ µA 0.05 V –35 1 µA ...
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... Frequency Counter OUT Oscilloscope 5. CXA1787N CXA1787N L.P.F. – 6 – CXA1787N Controller S.G. V 1000p V.C.O. Output ...
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... The control data consists of 16 bits for the reference counter and 19 bits for the pulse swallow programmable counter. The final bit of them is the identification code and the contents of data are discriminated by identifying the code. The frequency division value is composed of the binary values whose head is MSB as described on the next page. – 7 – CXA1787N ...
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... N: Frequency division value of 2-modulus pre-scaler (64 or 128) (M > Main counter value S: Swallow counter value (1) Data input timing 500ns 1 5 DATA (SW bit or MA bit LAT Data is read at the rising edge of CK 64/65-frequency division 128/129-frequency division C (C bit – 8 – CXA1787N ...
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... Table 1. Phase comparator and TEST Pin outputs FC: High or open Do1 ( > < High impedance fr: Output frequency of reference counter H: High fp: Output frequency of programmable counter L: Low FC: Low TEST Do1 ( TEST – 9 – CXA1787N ...
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... Make the input route of the RF signal from the VCO as short as possible. • Connect the Vcc and Vp pins to the ground respectively via the by-pass capacitors as short as possible because the frequency of signal used in this IC is higher. OSCI NC OSCO OSCI NC OSCO – 10 – CXA1787N and Co I and Co may be I ...
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... Example of Representative Characteristics 10 0 –10 –20 –30 –40 2500 2450 2400 –35 FIN input level vs. Fin input frequency 10 100 1000 Fin input frequency [MHz] FIN maximum operating frequency vs [°C] – 11 – CXA1787N 2. 25° 2. –10dBm ...
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... OSCI input frequency [MHz] Current consumption vs. Supply voltage 25° 2 Supply voltage [ 2. 25°C –35°C 85°C 10 100 Current consumption vs Supply voltage 2. –35 0 5.5 Ta [°C] – 12 – CXA1787N 50 85 ...
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... This product uses S-PdPPF (Sony Spec.-Palladium Pre-Plated Lead Frame). 20PIN SSOP (PLASTIC 0.05 0.65 0.15 – 0.02 0.13 M 0.1 ± 0.1 0° to 10° DETAIL A PACKAGE STRUCTURE PACKAGE MATERIAL LEAD TREATMENT LEAD MATERIAL PACKAGE MASS – 13 – CXA1787N + 0.2 1.25 – 0.1 0.1 EPOXY RESIN SOLDER / PALLADIUM PLATING 42/COPPER ALLOY 0.1g ...