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TSA5514AT データシートの表示(PDF) - Philips Electronics

部品番号TSA5514AT Philips
Philips Electronics Philips
コンポーネント説明1.3 GHz bidirectional I2C-bus controlled synthesizer


TSA5514AT Datasheet PDF : 18 Pages
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Philips Semiconductors
1.3 GHz bidirectional I2C-bus controlled synthesizer
Product specification
TSA5514
Fig.6 Prescaler typical input sensitivity curve; Vcc = 4.5 to 5.5 V; Tamb = 10 to +80 °C.
Fig.7 Prescaler Smith chart of typical input impedance; Vcc = 5 V; reference value = 50 .
October 1992
12
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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 flag

APPLICATIONS
• TV tuners
• VCR Tuners

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