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參數資料
| 型號： | HFA3524IA96 |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | XO, clock |
| 英文描述： | 2.5GHz/600MHz Dual Frequency Synthesizer |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO20 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 172K |
| 代理商： | HFA3524IA96 |
TM
1
File Number
4062.8
HFA3524
2.5GHz/600MHz Dual Frequency
Synthesizer
The Intersil 2.4GHz PRISM chip set is
a highly integrated six-chip solution for
RF modems employing Direct
Sequence Spread Spectrum (DSSS)
signaling. The HFA3524 600MHz Dual
Frequency Synthesizer is one of the six chips in the PRISM
chip set (see the Typical Application Diagram).
The HFA3524 is a monolithic, integrated dual frequency
synthesizer, including prescaler, is to be used as a local
oscillator for RF and first IF of a dual conversion transceiver.
The HFA3524 contains a dual modulus prescaler. A 32/33 or
64/65 prescaler can be selected for the RF synthesizer and a
8/9 or a 16/17 prescaler can be selected for the IF
synthesizer. Using a digital phase locked loop technique, the
HFA3524 can generate a very stable, low noise signal for the
RF and IF local oscillator. Serial data is transferred into the
HFA3524 via a three wire interface (Data, Enable, Clock).
Supply voltage can range from 2.7V to 5.5V. The HFA3524
features very low current consumption of 13mA at 3V.
Features
2.7V to 5.5V Operation
Low Current Consumption
Selectable Powerdown Mode I
CC
= 1
μ
A Typical at 3V
Dual Modulus Prescaler, 32/33 or 64/65
Selectable Charge Pump High Z State Mode
Applications
Systems Targeting IEEE 802.11 Standard
PCMCIA Wireless Transceiver
Wireless Local Area Network Modems
TDMA Packet Protocol Radios
Part 15 Compliant Radio Links
Portable Battery Powered Equipment
Functional Block Diagram
Ordering Information
PART
NUMBER
TEMP.
RANGE (
o
C)
PACKAGE
PKG. NO.
HFA3524IA
-40 to 85
20 Ld TSSOP
M20.173
HFA3524IA96
-40 to 85
Tape and Reel
IF
PRESCALER
15-BIT IF
N COUNTER
15-BIT IF
R COUNTER
15-BIT RF
R COUNTER
18-BIT RF
N COUNTER
OSC
RF
PRESCALER
CHARGE
PUMP
f
OUT
LOCK
DETECT
FASTLOCK
MUX
f
IN
IF
OSC
IN
f
IN
RF
CLOCK
DATA
LE
PHASE
COMP
D
O
IF
LD
RF
PHASE
COMP
D
O
RF
F
O
/LD
CHARGE
PUMP
22-BIT DATA
REGISTER
IF
LD
Data Sheet
March 2000
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Intersil and Design is a trademark of Intersil Corporation.
Copyright
Intersil Corporation 2000
PRISM is a registered trademark of Intersil Corporation. PRISM logo is a trademark of Intersil Corporation.
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