SI4731-C40-GMR Silicon Laboratories Inc, SI4731-C40-GMR Datasheet - Page 32

• Manufacturer Part Number: SI4731-C40-GMR
• Description: IC RX AM/FM RADIO RDS 20UQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4731-C40-GMR

• Frequency: 520kHz ~ 1.71MHz, 64MHz ~ 108MHz
• Modulation Or Protocol: AM, 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: -

Si4730/31-C40
10. Package Markings (Top Marks)
10.1. Si4730/31 Top Mark (QFN)
10.2. Top Mark Explanation (QFN)
32
Mark Method:
Line 1 Marking:
Line 2 Marking:
Line 3 Marking:
3040
CTTT
YAG Laser
Part Number
Firmware Revision
Die Revision
TTT = Internal Code
Circle = 0.5 mm Diameter
(Bottom-Left Justified)
Y = Year
WW = Workweek
YWW
30 = Si4730, 31 = Si4731.
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 work week of the mold date.
Rev. 1.0
3140
CTTT
YWW