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SP5668KGMP1T, SP5669, SP5669KGMP1T

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Info of SP5668KGMP1T
Info of SP5669
Info of SP5669KGMP1T

SP5668KGMP1T, SP5669, SP5669KGMP1T Selling Leads, Datasheet

MFG:MITEL Package Cooled:SOP D/C:00+

SP5668KGMP1T, SP5669, SP5669KGMP1T Picture

SP5668KGMP1T, SP5669, SP5669KGMP1T Datasheet download

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Part Number: SP5668KGMP1T

MFG: MITEL

Package Cooled: SOP

D/C: 00+

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SP5669 General Description

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.

The RF preamplifier drives a divide by two prescaler which can be disabled for applications up to 2GHz, allowing direct interfacing with the programmable divider so enabling a step size equal to the comparison frequency. For applications up to 2.7GHz the divide by two is enabled, giving a step size of twice the comparison frequency.

The comparison frequency is obtained either from an onchip crystal controlled oscillator, or from an external source. The oscillator frequency F_refor the comparison frequency F_comp may be switched to the REF/COMP output. This feature is ideally suited to providing the reference frequency for a second synthesiser such as in a double conversion tuner (see Fig. 8).

The synthesiser is controlled via an I ² C bus, and responds to one of four programmable addresses which are selected by applying a specific voltage to the 'address' input. This feature enables two or more synthesisers to be used in a system.

The device contains four switching ports P0P3 and a 5level ADC. The output of the ADC can be read via the I ² C bus.

The device also contains a varactor line disable and chargepump disable facility.

SP5669 Maximum Ratings

Characteristic	Pin (SP5658S)	Min	Max	Units	Conditions
Supply Voltage, V CC RF input voltage RF input DC offset Port voltage Total port current ADC input DC offset REF/COMP output DC offset Charge pump DC offset Drive DC offset Crystal oscillator DC offset Address DC offset SDA and SCL DC offset	12 13,14 13,14 710 710 710 11 3 1 16 2 4 5, 6	0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3	7 2.5 V _CC +0.3 14 6 50 V _CC +0.3 V _CC +0.3 V _CC +0.3 V _CC +0.3 V _CC +0.3 V _CC +0.3 6V	V V pp V V V mA V V V V V V V	AC coupled as per application Port in off state Port in on state
Storage temperature Junction temperature		55	+125 150	°C °C
MP16 Thermal Resistance Chip to ambient Chip to case MP16 Thermal Resistance Chip to ambient Chip to case			111 41	°C/W °C/W
Power consumption at VCC=5.5V			468	mW	All ports off, prescaler enabled
ESD protection	ALL	4		kV	MILSTD 883 TM 3015

SP5669 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
5level ADC
Pin compatible with the SP5658 3wire bus controlled synthesiser and SP5659 I²C bus synthesiser and SP5659 I²C bus synthesiser ESD protection;(Normal ESD handling procedures should be observed)

SP5669 Typical Application

Complete 2.7GHz single chip system
Optimised for low phase noise

SP5669 Connection Diagram

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