 |
|
| • Full FM RX and TX in 3 x 3 QFN |
| • Worldwide FM RX band support |
| • Compliant with worldwide FM TX
regulations |
| • Excellent real-world performance |
| • Supports integrated TX/RX
antenna |
| • Programmable transmit output
voltage |
| • Frequency synthesizer with
integrated VCO |
| • Integrated LDO regulator |
| • Minimal BOM (15 mm2) |
| • Digital audio output
(Si4721 only) |
| • Digital audio input |
| • Adjustable seek parameters |
| • Adjustable mono/stereo blend |
| • Adjustable soft mute |
| • Advanced modulation control |
| • Audio dynamic range control |
| • Audio silence detector |
| • Programmable reference clock
input |
| • 2-wire and 3-wire control
interface |
| • 2.7 to 5.5 V supply voltage |
| • 3 x 3 x 0.55 mm 20-pin Pb-free
QFN package |
| • RDS/RDBS encoder/decoder
(Si4721 only) |
|
| CATALOG |
| SI4721-B20-GMR COUNTRY OF ORIGIN |
| SI4721-B20-GMR LIFECYCLE |
| SI4721-B20-GMR PARAMETRIC INFO |
| SI4721-B20-GMR PACKAGE INFO |
| SI4721-B20-GMR PACKAGING INFO |
| SI4721-B20-GMR FUNCTIONAL BLOCK DIAGRAM |
| SI4721-B20-GMR APPLICATIONS |
|
| COUNTRY OF ORIGIN |
| Korea (Republic of) |
|
| LIFECYCLE |
Obsolete
Jun 24,2022 |
|
| PARAMETRIC INFO |
| Category |
Transceiver |
| Maximum RF Operating Frequency Range (MHz) |
100 to 500 |
| Modulation Technique |
FM |
| Operating Band Frequency (MHz) |
76 to 108 |
| Maximum RF Operating Frequency (MHz) |
108 |
| Minimum Operating Temperature (°C) |
-20 |
| Maximum Operating Temperature (°C) |
85 |
| Maximum Storage Temperature (°C) |
150 |
| Minimum Storage Temperature (°C) |
-55 |
| Typical Operating Supply Voltage |
3.3V|5V |
| Minimum Operating Supply Voltage |
2.7V |
| Operating Supply Voltage |
3.3V|5V |
| Maximum Operating Supply Voltage |
5.5V |
|
|
| PACKAGE INFO |
| Supplier Package |
QFN EP |
| Basic Package Type |
Non-Lead-Frame SMT |
| Pin Count |
20 |
| Lead Shape |
No Lead |
| PCB |
20 |
| Tab |
N/R |
| Package Length (mm) |
3 |
| Package Width (mm) |
3 |
| Package Height (mm) |
0.53 |
| Package Diameter (mm) |
N/R |
| Mounting |
Surface Mount |
| Package Description |
Quad Flat No Lead Package, Exposed Pad |
| Package Family Name |
QFN |
| Package Outline |
Link to Datasheet |
|
|
| PACKAGING INFO |
| Packaging |
Tape and Reel |
| Packaging Document |
Link to Datasheet |
|
|
| FUNCTIONAL BLOCK DIAGRAM |
 |
|
| APPLICATIONS |
| • Cellular handsets/hands-free |
| • MP3 players |
| • Portable media players |
| • Wireless speakers/microphone |
| • Satellite digital audio radios |
| • Personal computers/notebooks |
| |
| |
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