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Sony Semiconductor Electronic Components Datasheet

CXA3003R Datasheet

Baseband analog processing IC for dual-mode CDMA/FM cellular phone

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CXA3003R pdf
CXA3003R
Baseband analog processing IC for dual-mode CDMA/FM cellular phone
For the availability of this product, please contact the sales office.
Description
The CXA3003R is a baseband analog processing
IC for dual-mode CDMA/FM cellular phone. The
CXA3003R interfaces between the inter-frequency
section and the digital processing circuitry of the
telephone. The receive circuit functions primarily
convert analog IF signals to the analog baseband
frequency range and to convert the analog
baseband signals into digital signals. Transmit
circuits convert digital data into analog baseband
signals which are then up-convert to the IF
frequency range.
Features
• Receive signal path includes:
· IF to baseband down conversion
· Built-in trim-free low-pass filter for CDMA and
FM
· Built-in A/D convertor convert the RX base
band signal to the digital signal
· Analog output Receive Signal Strength
Indicator (RSSI) for CDMA
· Local Oscillator for I-Q mixer
• Transmit signal path includes:
· Built-in D/A convertor convert the digital I-Q
data to the analog baseband signal
· Built-in trim-free low-pass filter for CDMA and
FM
· Baseband to IF up-conversion
· Local Oscillator for I-Q mixer
· Built-in PLL for TX IF
• Built-in House keeping A/D convertor
• Low power consumption in all modes
• Single 3.3 V power supply
80 pin LQFP (Plastic)
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage
VCC –0.3 to 5.5
Operating temperature Ta –55 to +125
Storage temperature Tstg –65 to +150
V
°C
°C
Recommended Operating Conditions
Supply voltage
VCC 3.3±0.165
Operating temperature Ta –40 to +85
V
°C
Applications
dual-mode CDMA/FM cellular telephone
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E96434-TE


Sony Semiconductor Electronic Components Datasheet

CXA3003R Datasheet

Baseband analog processing IC for dual-mode CDMA/FM cellular phone

No Preview Available !

CXA3003R pdf
Block Diagram
CXA3003R
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
RXFMSTRB 61
FMCLK 62
RXQFMDT 63
RXIFMDT 64
DNC 65
DNC 66
GND ADC 67
VDD ADC 68
QOFFSET 69
IOFFSET 70
HKADVCC 71
NC 72
ADCCLK 73
ADCDT 74
ADCENBL 75
ADCIN 76
SLEEPB 77
IDLEB 78
FMB 79
RXVCOOUT 80
40 TXD0
39 GND ESD
38 VDD DAC
37 GND DAC
36 NC
35 NC
34 DNC
33 DNC
32 CAP2
31 CAP1
30 NC
29 TCXO4
28 NC
27 NC
26 TCXO
25 NC
24 LOCK DET
23 VDD TXF
22 GND TXF
21 VDD SYNTH
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
—2—


Part Number CXA3003R
Description Baseband analog processing IC for dual-mode CDMA/FM cellular phone
Maker Sony Corporation
Total Page 30 Pages
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