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UMA1014 数据表(PDF) 2 Page - NXP Semiconductors

部件名 UMA1014
功能描述  Low-power frequency synthesizer for mobile radio communications
Download  17 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

UMA1014 数据表(HTML) 2 Page - NXP Semiconductors

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October 1992
2
Philips Semiconductors
Product specification
Low-power frequency synthesizer for
mobile radio communications
UMA1014
FEATURES
• Single chip synthesizer; compatible with Philips cellular
radio chipset
• Fully programmable RF divider
• I2C interface for two-line serial bus
• On-chip crystal oscillator/TCXO buffer from 3 to 16 MHz
• 16 reference division ratios allowing 5 to 100 kHz
channel spacing
• 1/8 crystal frequency output
• On-chip out-of-lock indication
• Two extra VCO control outputs
• Latched synthesizer alarm output
• Status register including out-of-lock indication and
power failure
• Power-down mode.
APPLICATIONS
• Cellular mobile radio (NMT, AMPS, TACS)
• Private mobile radio (PMR)
• Cordless telephones.
GENERAL DESCRIPTION
The UMA1014 is a low-power universal synthesizer which
has been designed for use in channelized radio
communication. The IC is manufactured in bipolar
technology and is designed to operate at 5 to 100 kHz
channel spacing with an RF input from 50 to 1100 MHz.
The channel is programmed via a standard I2C-bus. A
low-power sensitive RF divider is incorporated together
with a dead-zone eliminated, 3-state phase comparator.
The low-noise charge pump delivers 1 mA or 1/2 mA
output current to enable a better compromise between fast
switching and loop bandwidth. A power-down circuit
enables the synthesizer to be set to idle mode.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
VCC, VCP
supply voltage range
4.5
5.0
5.5
V
ICC + ICP
supply current
13
mA
ICCpd
ICC in power-down
2.5
mA
fref
phase comparator reference frequency
5
100
kHz
fRF
RF input frequency
50
1100
MHz
Tamb
operating ambient temperature range
−40
85
°C
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
UMA1014T
SO16
plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1


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