TO353 Datasheet, PDF (1/11 Pages) ATMEL Corporation – 2.8 V Tri-band/ Quad-mode RF Receiver for CDMA/AMPS/ GPS

Features
• AMPS/Cell Band and PCS Band CDMA/GPS Operation
• Low-current Consumption
• Excellent Noise and IP3 Performance
• Adjustable Third Order intercept on LNA Stage
• Flexible IF Frequency Range from 80 MHz to 230 MHz
• Divide by 2 Prescaler
Benefits
• Very Small 32-pin 5 mm x 5 mm Package
• Few External Components
• Fully ESD Protected
Applications
• Quad-mode/Tri-band CDMA IS-95/98-based Mobile Phones with GPS Support
Electrostatic sensitive device.
Observe precautions for handling.
2.8 V Tri-band/
Quad-mode RF
Receiver for
CDMA/AMPS/
GPS
Description
The T0353 is a CDMA front-end receiver RFIC designed for Tri-band, quad-mode
operation. The device supports AMPS, Cell CDMA, PCS CDMA, and A-GPS opera-
tion. The IF range is from 80 MHz to 230 MHz with external tuning. The low-noise
amplifiers have an adjustable third order intercept point (IP3) to minimize inter-modu-
lation and cross-modulation effects. The mixers are designed for differential IF outputs
(single-ended or differential IF outputs for AMPS and GPS modes), and they feature
excellent linearity and low-noise figure.
The T0353 also integrates a divide-by-2 frequency divider to allow the use of only one
VCO module for both CDMA bands. However, it also has the option of connecting the
LO directly to the cellular mixer LO input. This device is available in a 5 mm x 5 mm
MLF package with 32 pins. The T0353 front-end receiver is capable of meeting all
electrical requirements in accordance with the TIA/EIA 98-C wireless communication
standard.
T0353
Preliminary
(Summary)
Rev. 4559AS–CDMA–10/02
1