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PDF TO353 Data sheet ( Hoja de datos )
| Número de pieza | TO353 | |
| Descripción | Tri-band/ Quad-mode RF Receiver | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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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
1 page  
T0353
Absolute Maximum Ratings
Parameters
Supply voltages, no RF applied
Logic control voltages
Supply current
RF and LO input signals
Storage temperature
Operating case temperature
Symbol
VCC
VCTRL
ICC
PLO ; CLO; CLNA_IN;
PLNA_IN; GPSLNA_IN;
TSTG
TC
Value
-0.5 to +4.0
-0.5 to +4.0
50.0
+5.0
-55 to +150
-40 to +100
Unit
V
V
mA
dBm
°C
°C
Thermal Resistance
Parameters
Junction ambient
Symbol
RthJA
Value
TBD
Unit
K/W
DC Supply Characteristics
Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static
conditions (no RF applied): Vcc = +2.75 V, TA = 25°C.
No. Parameters
Test Conditions
Pin Symbol Min. Typ. Max. Unit Type*
All Modes
Supply voltage
2.7 2.75 3.3
V
Control voltage High
1.7 V
Control voltage Low
0.5 V
LO divider supply
current
I_CC LO/2 = High -
I_CC LO/2 = Low
1.7 mA
Cell LO Tx buffer
current
BUFFEN = High
6.0 mA
PCS LO Tx buffer
current
BUFFEN = High
8.5 mA
Logic-High current
100 µA
Logic-Low current
-5.0 µA
Power-down supply
current
Band_SEL, Gain, LIN
= Low
10 µA
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
4559AS–CDMA–10/02
5
5 Page 
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http://www.atmel.com
© Atmel Corporation 2002.
Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standard warranty
which is detailed in Atmel’s Terms and Conditions located on the Company’s web site. The Company assumes no responsibility for any errors
which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and does
not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of Atmel are granted
by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized for use as critical
components in life support devices or systems.
Atmel® is the registered trademark of Atmel.
Other terms and product names may be the trademarks of others.
Printed on recycled paper.
4559AS–CDMA–10/02
xM
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet TO353.PDF ] | |
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