uaa3515a NXP Semiconductors, uaa3515a Datasheet - Page 3

• Manufacturer Part Number: uaa3515a
• Description: 900 Mhz Analog Cordless Telephone Ic
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1
1.1
1.2
1.3
4
2002 Sep 09
UAA3515AHL
Integrated Low Noise Amplifier (LNA)
Image reject mixer
FM detector (10.7 MHz) with:
– IF limiter
– wide band PLL demodulator
– output amplifier
– Received Signal Strength Indicator (RSSI) output.
Carrier Detector (CD) with programmable threshold
Programmable data amplifier (slicer) phase.
Programmable receiver gain
Expander
Earpiece amplifier with volume control feature
Data amplifier.
Crystal reference oscillator with integrated tuning
capacitor
Reference frequency divider
Narrow band receiver PLL including VCO with
integrated variable capacitance diodes
Narrow band transmitter PLL including VCO with
integrated variable capacitance diodes
Integrated VCO circuits designed to function with
external inductors etched directly as part of the
printed-circuit board (cost-saving feature)
Programmable clock divider with output buffer to drive
the microcontroller.
900 MHz analog cordless telephone IC
NUMBER
FEATURES
ORDERING INFORMATION
TYPE
Single frequency conversion FM receiver
Receiver baseband
Synthesizer
LQFP64
NAME
plastic, low profile quad flat package; 64 leads; body 10
3
DESCRIPTION
1.4
1.5
1.6
1.7
2
3
The UAA3515A is a BiCMOS integrated circuit that
performs all functions from antenna to microcontroller in
reception and transmission for both base station and
handset of a 900 MHz cordless telephone set. In addition,
the implemented programming reduces significantly the
amount of external components, board space and external
adjustments required.
PACKAGE
Internal buffered Power Amplifier (PA) with
programmable gain
Data transmission summing amplifier.
Programmable transmitter gain
Microphone amplifier
Compressor with Automatic Level Control (ALC) and
hard limiter.
Three-wire serial interface.
Voltage regulator for internal PLL supplies
Selectable voltage doubler
Programmable Low-Battery Detection (LBD)
(time-multiplexed with RSSI carrier detector).
Analog cordless telephone sets (900 MHz).
APPLICATIONS
GENERAL DESCRIPTION
Transmitter
Transmitter baseband
Microcontroller interface
Power supplies
10
1.4 mm
Product specification
UAA3515A
SOT314-2
VERSION