The SP5669 is a single chip frequency synthesiser designed for tuning systems up to 2.7GHz and offers step size compatible with DTT offset requirements.

FEATURES
■ Complete 2.7GHz single chip system
■ Compatible with UK DTT offset requirements
■ Optimised for low phase noise
■ Selectable divide by two prescaler
■ Selectable reference division ratio
■ Selectable reference/comparison frequency output
■ Selectable charge pump current
■ Four selectable I2C bus address
■ 5–level ADC
■ Pin compatible with the SP5658 3–wire bus controlled synthesiser and SP5659 I2C bus synthesiser and SP5659 I2C bus synthesiser
■ ESD protection; (Normal ESD handling procedures should be observed)

APPLICATIONS
■ SAT, TV, VCR and Cable tuning systems
■ Complete 2.7GHz single chip system
■ Optimised for low phase noise