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SA8026 Datasheet(PDF) 3 Page - NXP Semiconductors |
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SA8026 Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 18 page Philips Semiconductors Product specification SA8026 2.5GHz low voltage fractional-N dual frequency synthesizer 1999 Nov 04 3 VDD SR01496 CLOCK DATA STROBE RFin+ RFin– REFin+ REFin– AUXin TEST LOAD SIGNALS ADDRESS DECODER 2–BIT SHIFT REGISTER 22–BIT SHIFT REGISTER CONTROL LATCH LATCH MAIN DIVIDER SM REFERENCE DIVIDER 22 2 2 LATCH AMP AMP 15 16 6 5 19 18 17 12 2 LATCH AUX DIVIDER PHASE DETECTOR PHASE DETECTOR COMP PUMP BIAS PUMP CURRENT SETTING 13 VDDCP GND 4 SA 7, 10 3 GNDCP RSET PHP PHI LOCK PHA 14 8 9 1 11 PON 20 Figure 2. Block Diagram PINNING SYMBOL PIN DESCRIPTION LOCK 1 Lock detect output TEST 2 Test (should be either grounded or connected to VDD) VDD 3 Digital supply GND 4 Digital ground RFin+ 5 RF input to main divider RFin– 6 RF input to main divider GNDCP 7 Charge pump ground PHP 8 Main normal charge pump PHI 9 Main integral charge pump GNDCP 10 Charge pump ground SYMBOL PIN DESCRIPTION PHA 11 Auxiliary charge pump output AUXin 12 Input to auxiliary divider VDDCP 13 Charge pump supply voltage RSET 14 External resistor from this pin to ground sets the charge pump current REFin– 15 Reference input REFin+ 16 Reference input CLOCK 17 Programming bus clock input DATA 18 Programming bus data input STROBE 19 Programming bus enable input PON 20 Power down control |
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Similar Description - SA8026 |
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