SI4712-B30-GMR Silicon Laboratories Inc, SI4712-B30-GMR Datasheet - Page 35

• Manufacturer Part Number: SI4712-B30-GMR
• Description: IC TX FM RADIO W/RPS 20UQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4712-B30-GMR

• Frequency: 76MHz ~ 108MHz
• Applications: General Purpose
• Modulation Or Protocol: FM
• Current - Transmitting: 18.8mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• 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
• Features: -
• Power - Output: -
• Memory Size: -
• Data Rate - Maximum: -

9. Package Markings (Top Marks)
9.1. Si4712 Top Mark
9.2. Si4713 Top Mark
9.3. 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 20. Si4712 Top Mark
Figure 21. Si4713 Top Mark
12 = Si4712
13 = Si4713
30 = Firmware Revision 30
B = Revision B Die
Internal tracking code.
Pin 1 Identifier
Assigned by the Assembly House. Corresponds to the last sig-
nificant digit of the year and workweek of the mold date.
Rev. 1.1
Si4712/13-B30
35