SI4704-C40-GMR Silicon Laboratories Inc, SI4704-C40-GMR Datasheet - Page 29

• Manufacturer Part Number: SI4704-C40-GMR
• Description: IC RX FM RADIO 64-108MHZ 20UQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4704-C40-GMR

• Frequency: 64MHz ~ 108MHz
• Modulation Or Protocol: FM
• Applications: General Purpose
• Current - Receiving: 19.9mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Features: RSSI Equipped
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-UQFN, 20-µQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -

8. Package Markings (Top Marks)
8.1. Si4704 Top Mark
8.2. Si4705 Top Mark
8.3. Top Mark Explanation
Mark Method:
Line 1 Marking:
Line 2 Marking:
Line 3 Marking:
YAG Laser
Part Number
Firmware Revision
R = Die Revision
TTT = Internal Code
Circle = 0.5 mm Diameter
(Bottom-Left Justified)
Y = Year
WW = Workweek
Figure 14. Si4704 Top Mark
Figure 15. Si4705 Top Mark
04 = Si4704
05 = Si4705
40 = Firmware Revision 4.0
C = Revision C Die.
Internal tracking code.
Pin 1 Identifier.
Assigned by the Assembly House. Corresponds to the last
significant digit of the year and workweek of the mold date.
0440
CTTT
YWW
0540
CTTT
YWW
Rev. 1.0
Si4704/05-C40
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