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LMX1501AMX Datasheet

  • LMX1501AMX

  • PLLatinumTM 1.1 GHz Frequency Synthesizer for RF Personal Co...

  • 22頁

  • NSC

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LMX1501A LMX1511 PLLatinum 1 1 GHz Frequency
Synthesizer for RF Personal Communications
November 1995
LMX1501A LMX1511 PLLatinum
TM
1 1 GHz Frequency Synthesizer
for RF Personal Communications
General Description
The LMX1501A and the LMX1511 are high performance fre-
quency synthesizers with integrated prescalers designed for
RF operation up to 1 1 GHz They are fabricated using Na-
tional鈥檚 ABiC IV BiCMOS process
The LMX1501A and the LMX1511 contain dual modulus
prescalers which can select either a 64 65 or a 128 129
divide ratio at input frequencies of up to 1 1 GHz Using a
proprietary digital phase locked loop technique the
LMX1501A 11鈥檚 linear phase detector characteristics can
generate very stable low noise local oscillator signals
Serial data is transferred into the LMX1501A and the
LMX1511 via a three line MICROWIRE
TM
interface (Data
Enable Clock) Supply voltage can range from 2 7V to 5 5V
The LMX1501A and the LMX1511 feature very low current
consumption typically 6 mA at 3V
The LMX1501A is available in a JEDEC 16-pin surface
mount plastic package The LMX1511 is available in a
TSSOP 20-pin surface mount plastic package
Features
Y
Y
Y
Y
Y
Y
RF operation up to 1 1 GHz
2 7V to 5 5V operation
Low current consumption
I
CC
e
6 mA (typ) at V
CC
e
3V
Dual modulus prescaler 64 65 or 128 129
Internal balanced low leakage charge pump
Small-outline plastic surface mount JEDEC 0 150
wide (1501A) or TSSOP 0 173 wide (1511) package
Applications
Y
Y
Y
Y
Cellular telephone systems
(AMPS NMT ETACS)
Portable wireless communications
(PCS PCN Cordless)
Advanced cordless telephone systems
(CT-1 CT-1
a
CT-2 ISM902-928)
Other wireless communication systems
Block Diagram
TL W 12340 鈥?1
TRI-STATE is a registered trademark of National Semiconductor Corporation
MICROWIRE
TM
and PLLatinum
TM
are trademarks of National Semiconductor Corporation
C
1995 National Semiconductor Corporation
TL W 12340
RRD-B30M115 Printed in U S A

LMX1501AMX 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器

  • PLLatinum™

  • PLL 頻率合成器

  • 是

  • CMOS，TTL

  • 時鐘

  • 1

  • 2:1

  • 是/無

  • 1.1GHz

  • 是/無

  • 2.7 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 16-SOIC（0.154"，3.90mm 寬）

  • 16-SOIC N

  • 帶卷 (TR)

  • *LMX1501AMX

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