mc44871 Freescale Semiconductor, Inc, mc44871 Datasheet
mc44871
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mc44871 Summary of contents
Page 1
... A tuner using the MC44871 does not require an external 30 V supply. The MC44871 is controlled bus, and has a chip address function. The MC44871 data format is the same as the MC44818. The MC44871 is manufactured on a single silicon chip using Motorola’s high density bipolar process, MOSAIC Implanted Circuits) ...
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... HF1 3 Prescaler HF2 4 Approximate values of the external components for generation of the tuning voltage are 1 750 k (560 k minimum 330 nF nF These component values depend on the application. 2 MC44871 R1 Bands Out Buffers Latches DTB1 T13 ...
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... Operational Amplifier Internal Reference Voltage (V ref ) Operational Amplifier Input Current Operational Amplifier DC Open Loop Gain Operational Amplifier Gain Bandwidth Product (CL = 1.0 nF) Operational Amplifier Low Output Voltage, Sinking 50 A Oscillator – Negative Resistance MOTOROLA ANALOG IC DEVICE DATA MC44871 Pin Value Unit 11 6.0 V – ...
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... HF Generator 1 Out Gnd 1 Cable 50 NOTE: 1. Device is in test mode. B1, B2 are “On” and B0, B4 are “Off”. Sensitivity is level of HF generator MC44871 Description ( 5 C.) (See Figure 2.) Pin Min 3, 4 – 5 ...
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... V 6 Converter output 20 V (Charge Pump HF1 3 Inputs to presealer HF2 4 Gnd 5 Circuit ground B2 6 PNP Band B1 7 Buffers B0 8 MOTOROLA ANALOG IC DEVICE DATA MC44871 Figure 4. Pin Circuit Schematic 132 k 1 2.0 k 1.2 1 ...
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... SDA Fall Time at 3.0 mA sink I and 400 pF Load SDA/SCL Rise Time SCL Fall Time Pulse Width of Spikes Suppressed by the Input Filter Stop Start SDA SDA SCL SCL T su;sta T hd;sto 6 MC44871 Pin Symbol 13 13 –0. ...
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... After the chip address, two or four data bytes may be received: if three data bytes are received, the third one is MOTOROLA ANALOG IC DEVICE DATA MC44871 ...
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... Buffer is “Off”, Output High = 1 Buffer is “On”, Output Low Bit T8: Controls the Operational Amplifier Output T8 Operation Operational Amplifier Normal Operation = 1 Output State of Operational Amplifier Switched Off Output Pulls High through External Resistor 8 MC44871 0/1 T14 T13 T12 T11 T10 X X ...
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... I B3 ”On”/”Off” 0.5 mA Typ Base Current MOTOROLA ANALOG IC DEVICE DATA MC44871 OPERATING DESCRIPTION Introduction A representative block diagram and typical system application are shown in Figures 1 and 8. A discussion of the features and function of each of the internal blocks is given. ...
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... V supply. The charge pump switching frequency is taken from the oscillator. Typical charge pump output current capability shown in Figure 9. 10 MC44871 Figure 8. Typical Tuner Application IF 8 Mixer B0 MC44871 1 HF1 F osc 8 1.0 nF HF2 ...
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... L PIN 1 IDENT. 1 0.15 (0.006 –V– C 0.10 (0.004) –T– SEATING D PLANE MOTOROLA ANALOG IC DEVICE DATA MC44871 OUTLINE DIMENSIONS DTB SUFFIX PLASTIC PACKAGE CASE 948F–01 (TSSOP–16) ISSUE É É É Ç Ç Ç Ç ...
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... Motorola, Inc. Motorola, Inc Equal Mfax is a trademark of Motorola, Inc. JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 141, 4–32–1 Nishi–Gotanda, Shagawa–ku, Tokyo, Japan. 03–5487–8488 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, MOTOROLA ANALOG IC DEVICE DATA MC44871/D ...