MC44871 - PLL TUNING CIRCUIT

Product Overview

Motorola

Datasheet Details

Part number	MC44871
Manufacturer	Motorola
File Size	198.94 KB
Description	PLL TUNING CIRCUIT
Datasheet	MC44871 Datasheet
Additional preview pages of the MC44871 datasheet.

Product details

Description

(see Figure 1) Pin 1 2 3, 4 5 6, 7, 8 9 10 11 12 13 14 15 16 Symbol VTUN CP HF1, HF2 Gnd B2, B1, B0 B4 ADC VCC ADD SDA SCL Xtal Amp In Description Operational amplifier output which provides the tuning voltage DC DC Converter output (Charge Pump) Symmetrical HF inputs Ground PNP Band Buffer outputs NPN Band Buffer output Three bit ADC for Automatic Frequency Tuning, readable through the bus Positive supply of the circuit (5.0 V) Chip address function I2C bus Data Input/Output I2C bus Clo

Features

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 13 13 13, 14 13, 14 13,14 Tsp Pin 14.
Tbuf Tsu;sta Thd;sta Tsu;dat Thd;dat Tsu;sto Thd;sto Tack;low Symbol Min 0 200 500 500 0 0 500 500.
Typ.

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Published: May 22, 2005 |