Datasheet > S5T8809

S5T8809

更新时间： 2022-11-26 02:59:57

品牌	Logo	应用领域
三星 - SAMSUNG		/
页数	文件大小	规格书
14页	126K
描述
PLL FREQUENCY SYNTHESIZER FOR PAGER

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S5T8809 数据手册

PLL FREQUENCY SYNTHESIZER FOR PAGER

INTRODUCTION

S5T8809

16-TSSOP-0044

S5T8809 is a superior low-power-programmable PLL frequency

synthesizer which can be used in high performance / Simple

application for a Wide Area Pager system.

S5T8809 consists of 2 kinds of divider block including a 19-bit Shift

Counter, 32/33 Prescaler, and a phase detector block including a

Phase detector, Lock detector and a Charge pump.

S5T8809 also has a battery saving mode which can control each

and it also has boost up signal output for fast locking.

( Magnification = 1 : 4 )

FEATURES

•

Maximum operating frequency: 330MHz @ 300mV , V

= 1.0V, V

= 3.0V

DD2

P-P

DD1

On-chip reference oscillator supports external crystal which oscillates up to 23MHz

Superior supply current:

— F

= 310MHz, I

= 0.8mA (Typ.) @ V

= 1.0V, V

= 3.0V

DD2

FIN

DD1

DD2

•

Operating voltage: V

= 0.95 to 1.5V and V

= 2.0 to 3.3V

Excellent Divider range:

— Ref. Divider:

FRC (0): 1 / 40 to 1 / 65528 (Multiple): Default

FRC (1): 1 / 5 to 1 / 32767

— Rx Divider:

PBC (0): 1 / 1056 ~ 1 / 65535: Default

PBC (1): 1 / 1056 ~ 1 / 262143

•

Boost-up signal output for Fast Locking

In the Standby mode, VDD1 block can be controlled by BSB Pin status

— Standby current consumption: 10mA (Max.)

•

Programmable control the output of LD to reduce internal noise

Programmable 17 / 19-bit shift register value controlled by PBC

Charge pump output circuitry for passive filter

Package type: 16- TSSOP (0.65mm)

ORDERING INFORMATION

Device

+S5T8809X01-R0B0

+: New Product

Package

16- TSSOP- 0044

Operating Temperature

- 25°C to +75°C

12 3 4 5 6 7...14

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