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參數(shù)資料
| 型號： | FS8170 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2.5 GHz Low Power Phase-locked Loop IC |
| 中文描述： | 2.5 GHz的低功耗鎖相環(huán)集成電路 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 269K |
| 代理商： | FS8170 |
Page 1
May 2003
FS8170 2.5 GHz Low Power Phase-locked Loop IC
HiMARK Technology, Inc. reserves the right to change the product described in this datasheet. All information con-
tained in this datasheet is subject to change without prior notice. HiMARK Technology, Inc. assumes no responsibility
for the use of any circuits shown in this datasheet.
Description
The FS8170 IC is a serial data input, fully programmable phase-locked loop with a 2.5
GHz prescaler for use in the local oscillator subsystem of radio transceivers. Multi-modu-
lus division ratios of 32/33 and 64/65 are selectable thru serial programming to enable
pulse swallowing operation. When combined with an external VCO, the FS8170 becomes
the core of a very low power frequency synthesizer well-suited for mobile communication
applications, such as 2.4 GHz ISM-band wireless data links and cellular GSM and PCS.
The FS8170 is also pin compatible with Fujitsu’s MB15E07SL IC.
Features
!
Maximum input frequency: 2.5 GHz
!
Supply voltage range from 2.4 V to 3.6 V
!
Low current consumption in locked state:
3.5 mA typ. (V
CC
= V
P
= 2.7 V, T
A
= +25 °C)
4.0 mA typ. (V
CC
= V
P
= 3.0 V, T
A
= +25 °C)
10
μ
A max. in asynchronous power-down mode
!
Digitally-filtered lock detect output
!
18-bit programmable input frequency divider using ÷ 32/33/64/65 multi-modulus prescaler with divide ratio range
from 992 to 65631 for ÷ 32/33 mode and from 4032 to 131135 for ÷ 64/65 mode
!
14-bit programmable reference frequency divider with divide ratio range from 3 to 16383
!
Programmable charge pump current: 1.5 mA or 6 mA
!
Pin compatible with Fujitsu MB15E07, MB15E07L, MB15E07SL
!
16 pin, plastic TSSOP (0.65 mm pitch)
Package and Pin Assignment
16 pin, plastic TSSOP (dimensions in mm)
XIN
XOUT
VP
VCC
DO
VSS
XFIN
FIN
φ
R
φ
P
FOLD
ZC
EN
LE
DATA
CLK
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
H
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