JN5148 NXP Semiconductors, JN5148 Datasheet - Page 95

• Manufacturer Part Number: JN5148
• Description: The JN5148 is an ultra low power, high performance MCU combined with an IEEE802
• Manufacturer: NXP Semiconductors

Component
Designator
C13
C14
C16
C15
C18
C2
C24
C3
C12
C8
C9
C6
C7
R1
C20
U2
Y1
C10
C11
R2
C1
L1
L2
The paddle should be connected directly to ground. Any pads that requiring connection to ground should do so by
connecting directly to the paddle.
© NXP Laboratories UK 2011
Table 8: JN5148 Printed Antenna Reference Module Components and PCB Layout Constraints
Value/Type
10uF
100nF
100nF
100nF
47pF
10nF
47pF
100nF
47pF
100nF
47pF
100nF
100nF
43k
100nF
4Mbit
32MHz
15pF +/-5% COG
15pF +/-5% COG
47pF
5.6nH
2.7nH
Function
Power source decoupling
Analogue Power decoupling
Digital power decoupling
VB Synth decoupling
VB Synth decoupling
VB VCO decoupling
VB VCO decoupling
VB RF decoupling
VB RF decoupling
VB A decoupling
VB A decoupling
VB RAM decoupling
VB Dig decoupling
I Bias Resistor
Vref decoupling
Serial Flash Memory (Numonyx M25P40)
Crystal (AEL X32M000000S025) (CL = 9pF, Max ESR 40R)
Crystal Load Capacitor
Crystal Load Capacitor
AC Coupling
Phycomp 2238-869-15479
RF Matching Inductor
MuRata LQP15MN5N6B02
Load Inductor
MuRata LQP15MN2N7B02
JN-DS-JN5148-001 1v7
PCB Layout Constraints
Adjacent to U1 pin 13
Adjacent to U1 pin 49
Less than 5mm from U1 pin 10
Less than 5mm from U1 pin 10
Less than 5mm from U1 pin 12
Less than 5mm from U1 pin 12
Less than 5mm from U1 pin 16 and U1 pin 18
Less than 5mm from U1 pin 16 and U1 pin 18
Less than 5mm from U1 pin 27
Less than 5mm from U1 pin 27
Less than 5mm from U1 pin 35
Less than 5mm from U1 pin 40
Less than 5mm from U1 pin 14
Less than 5mm from U1 pin 15
Adjacent to pin 8 and Y1 pin 1
Adjacent to pin 9 and Y1 pin 3
Not fitted
Must be copied directly from the reference design.
95