TSA5514中文资料1.3 GHz bidirectional I2C-bus controlled synthesizer数据手册恩XP规格书

描述 Description

DESCRIPTION
The TSA5514 is a single chip PLL frequency synthesizer designed for TV tuning systems. Control data is entered via the I2C-bus; five serial bytes are required to address the device, select the oscillator frequency, programme the seven output ports and set the charge-pump current. Four of these ports can also be used as input ports (three general purpose I/O ports, one ADC).FEATURES
• Complete 1.3 GHz single chip system
• Low power 5 V, 35 mA
• I2C-bus programming
• In-lock flag
• Varicap drive disable
• Low radiation
• Address selection for Picture-In-Picture (PIP), DBS tuner (4 addresses)
• 5-level analog-to-digital converter
• 7 bus controlled ports; 3 output, 4 open collector input/output
• Power-down flagAPPLICATIONS
• TV tuners
• VCR Tuners

特性 Features

• Complete 1.3 GHz single chip system
• Low power 5 V, 35 mA
• I2C-bus programming
• In-lock flag
• Varicap drive disable
• Low radiation
• Address selection for Picture-In-Picture (PIP), DBS tuner (4 addresses)
• 5-level analog-to-digital converter
• 7 bus controlled ports; 3 output, 4 open collector input/output
• Power-down flag