Panasonic AN8539SH Datasheet

ICs for Mobile Communication

AN8539SH

300 MHz-band single PLL IC

■ Overview

The AN8539SH is a 300 MHz-band, 2nd local
OSC PLL IC designed for a cellular phone which
allows IF switching to high or low.

■ Features

• To be switched to two frequencies.

(Select by SELECT pin.)

• Analog SW built-in

• I

= 900 µA

CC

■ Applications

• Cellular phone

■ Block Diagram

LD

10

SELECT

9

0.5

0.1±0.1

0.5±0.2

REF

8

Unit: mm

1

5

4.3±0.30

6.3±0.30

SSOP010-P-0225

CC

V

7

6

SW

10

6

+0.1

0.2±0.1

3.0±0.30

0.625±0.100.625±0.10

1.5±0.2

–0.05

0.15

Lock detection

14-bit R counter

Phase comparator

Selector

1

CPSUB

15-bit N counter

1/16, 1/17 prescaler

2

CP

3

GND

4

IFIN

5

PS

1

AN8539SH ICs for Mobile Communication

■ Pin Descriptions

Pin No. Symbol Description I/O Level

1 CPSUB Sub charge pump output O CMOS
2 CP Charge pump output O CMOS
3 GND GND pin 
4 IFIN IF input I ECL
5 PS Power save control I CMOS
6 SW Sub charge pump control I CMOS
7VCCPower supply pin 
8 REF Reference frequency input I ECL
9 SELECT IF frequency changeover control I CMOS

10 LD Lock detection output O CMOS

■ Absolute Maximum Ratings

Parameter Symbol Rating Unit

Supply voltage V
Supply current I

2

Power dissipation
Operating ambient temperature
Storage temperature

Note)*1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.

2: Ta = 85°C

*

*

1

*

1

*

CC

CC

P

D

T

opr

T

stg

3.6 V

3.5 mA

12.6 mW

−30 to +85 °C

−55 to +125 °C

■ Recommended Operating Range

Parameter Symbol Range Unit

Supply voltage V

CC

■ Electrical Characteristics at VCC = 2.7 V, f

Parameter Symbol Conditions Min Typ Max Unit

Consumption current 1 I

Consumption current 2 I

Reference signal input level V
High-level input voltage V
Low-level input voltage V
High-level input current I
Low-level input current I

2

SELECT = high  0.90 1.21 mA

CC1

At 178 MHz lock
Power save mode  010µA

CC2

At PS = GND setting

REFINfREFIN

IH

IL

IH

IL

= 12.8 MHz 0.5  1.2 V[p-p]

At VIH = 2.16 V applied − 10 1 µA
At VIL = 0 V applied − 10 1 µA

= 12.8 MHz, V

REFIN

2.55 to 3.3 V

= 0.6 V[p-p], Ta = 25°C

REFIN

2.16  3.30 V
0  0.54 V