LV24250LS Sanyo Semicon Device, LV24250LS Datasheet - Page 17

• Manufacturer Part Number: LV24250LS
• Description: 1-Chip FM Tuner IC
• Manufacturer: Sanyo Semicon Device

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PCB Mounting Conditions to cover the FM Receiving Area of 76M to 108MHz
Recommended layout of PCB substrate
• LV24250LS has an inductor for local oscillator on the package bottom side.
• With this SPL, the receiving frequency is measured under the following conditions :
• The X-value can be set freely between Min = 2.00mm and Max = 2.60mm with reference to IC.
• The Y-value can be set freely between Min = 1.00mm and Max = 2.40mm with reference to IC.
• Avoid providing another wiring within 0.4mm of bottom layer of PCB_GND as much as possible.
Printed Circuit Board
In order to cover the receiving frequency range of 76MHz to 108MHz, provide the GND layer to the first layer of
Side A of PCB that is directly below the package bottom side, as shown in the figure.
(The X-value for Sanyo Demo Board is 2.4mm.)
(The Y-value for Sanyo Demo Board is 2.30mm.)
0.57
IC backside_LV24250LS
3.50 × 3.50
LAYER
2.64
LV24250LS's PCB mounting conditions
LV24250LS
LV24250LS
0.79
IC directly-below_PCB recommended
0.55
GND patten diagram
X = 0mm
PCB GND Layer
3.50 × 3.50
X = 2.40
0.55
No.A1699-17/18
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