SI4739-B20-GMR Silicon Laboratories Inc, SI4739-B20-GMR Datasheet - Page 19

• Manufacturer Part Number: SI4739-B20-GMR
• Description: IC RX FM/WB RAD RDS/RBDS 20UQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4739-B20-GMR

• Frequency: 76MHz ~ 108MHz, 162.4MHz ~ 162.55MHz
• Modulation Or Protocol: FM, WB
• 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: -

7. Package Outline: Si473x QFN
Figure 5 illustrates the package details for the Si473x. Table 11 lists the values for the dimensions shown in the
illustration.
Notes:
Symbol
1. All dimensions are shown in millimeters (mm) unless otherwise noted.
2. Dimensioning and tolerancing per ANSI Y14.5M-1994.
A1
D2
E2
A
D
E
b
e
c
0.50
0.00
0.20
0.27
1.65
1.65
Min
Millimeters
3.00 BSC
0.50 BSC
3.00 BSC
Nom
0.55
0.02
0.25
0.32
1.70
1.70
Figure 5. 20-Pin Quad Flat No-Lead (QFN)
Table 11. Package Dimensions
Max
0.60
0.05
0.30
0.37
1.75
1.75
Rev. 0.5
Symbol
aaa
bbb
ddd
eee
ccc
L1
L
f
0.35
0.00
Min
—
—
—
—
—
Millimeters
Si473x-B20
2.53 BSC
Nom
0.40
—
—
—
—
—
—
Max
0.45
0.10
0.05
0.05
0.08
0.10
0.10
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