mc44827 Freescale Semiconductor, Inc, mc44827 Datasheet
mc44827
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mc44827 Summary of contents
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... Low Power PLL Tuning Circuits for 3-Wire Bus The MC44827/27B are tuning circuits for TV and VCR tuner applications. They contain on one chip all the functions required for PLL control of a VCO. The integrated circuits also contain a high frequency prescaler and thus can handle frequencies ...
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... RF Input Level (80 MHz to 1.3 GHz) NOTES CC3 = V CC1 to 14.4 V and – one buffer “On” only CC3 = V CC1 to 14.4 V and – ESD data available upon request. 2 MC44827/27B Figure 1. Representative Block Diagram V CC3 ...
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... HF Generator HF Out Gnd 1.0 nF 3 Cable 50 NOTES: 1. Device is in test mode. B2, B3 are “On” and B0, B1 are “Off”. 2. Sensitivity is level of HF generator on 50 MOTOROLA ANALOG IC DEVICE DATA MC44827/27B Pin Min 7 4 CC1 10–13 10–13 10– ...
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... V the tuning voltage V CC2 Operational amplifier positive supply ( CC1 7 Positive supply of 5.0 V the circuit (5 Input to prescaler 4 MC44827/27B (V CC1 = 5 C.) (See Figure 2.) Pin Min 8 – 5 Figure 4. Pin Circuit Schematic V CC1 V CC1 ...
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... N14 N13 N12 N11 N10 Buffers MOTOROLA ANALOG IC DEVICE DATA MC44827/27B PIN FUNCTION DESCRIPTION Description reset. The reset pulse is generated only if EN goes negative after the 18th clock pulse (signal RL). 34 Bit Data Transmission (For Test and Additional Features) ...
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... F ref Switched to Buffer Output B2 FBY2 Switched to Buffer Output B3 NOTE: Bits B2 and B3 have to be one in this case. F ref is the reference frequency. FBY2 is the output frequency of the programmable divider, divided by two. 6 MC44827/27B Figure 6. Equivalent Circuit of the Integrated Band Buffers Protection I B Gnd “ ...
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... TUN = 15 V with internal pull– one buffer “On” mA calculated with the following formula CC1 ) CC3 Example 23) Figure 8. Typical Tuner Application 5 Mixer MC44827/27B 1 Pres F osc Gnd Oscillator 330 p (Note – V CC2 TUN ...
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... C ––– 1.20 ––– 0.047 D 0.05 0.15 0.002 0.006 F 0.50 0.75 0.020 0.030 –W– G 0.65 BSC 0.026 BSC H 0.18 0.28 0.007 0.011 J 0.09 0.20 0.004 0.008 J1 0.09 0.16 0.004 0.006 K 0.19 0.30 0.007 0.012 K1 0.19 0.25 0.007 0.010 L 6.40 BSC 0.252 BSC Mfax is a trademark of Motorola, Inc. MC44827/D ...