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SA8016DH, SA8025, SA8025A

Table of contents:
Info of SA8016DH
Info of SA8025
Info of SA8025A

SA8016DH, SA8025, SA8025A Selling Leads, Datasheet

MFG:PHI Package Cooled:ssop D/C:05+

SA8016DH, SA8025, SA8025A Datasheet download

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Part Number: SA8016DH

MFG: PHI

Package Cooled: ssop

D/C: 05+

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SA8025A General Description

The SA8025A is a monolithic low power, high performance dual frequency synthesizer fabricated in QUBiC BiCMOS technology.

The SA8025A is an improved version of the SA8025, suitable for narrow band systems like the Japan Personal Digital Cellular (PDC) system. The new design improves the performance of the fractional spur compensation circuitry. The new version is pin-for-pin compatible with the previous version. Featuring Fractional-N division with selectable modulo 5 or 8 implemented in the Main synthesizer to allow the phase detector comparison frequency to be five or eight times the channel spacing. This feature reduces the overall division ratio yielding a lower noise floor and faster channel switching. The phase detectors and charge pumps are designed to achieve phase detector comparison frequencies up to 5MHz. A four modulus prescaler (divide by 64/65/68/73) is integrated on chip with a maximum input frequency of 1.8GHz at 3V. Programming and channel selection are realized by a high speed 3-wire serial interface. A 1GHz version (SA7025DK) is also available with the same pinout.

SA8025A Maximum Ratings

SYMBOL	PARAMETER	RATING	UNITS
V	Supply voltage, V_DD, V_DDA, V_CCP	-0.3 to +6.0	V
V_IN	Voltage applied to any other pin	-0.3 to (V_DD + 0.3)	V
T_STG	Storage temperature range	-65 to +150	°C
T_A	Operating ambient temperature range	-40 to +85	°C

NOTE: Thermal impedance (_JA) = 117°C/W. This device is ESD sensitive.

SA8025A Features

• Operation up to 1.8GHz at 3V
• Fast locking by "Fractional-N" divider
• Auxiliary synthesizer
• Digital phase comparator with proportional and integral charge pump output
• High speed serial input
• Low power consumption
• Programmable charge pump currents
• Supply voltage range 2.7 to 5.5V
• Excellent input sensitivity: V_{RF_IN} = 20dBm

SA8025A Typical Application

• PHS (Personal Handy-phone System)
• PDC (Personal Digital Cellular)
• PCS (Personal Communication Service)
• Portable communication systems

SA8025A Connection Diagram

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