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AX5243-1-TA05

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42
AX5243
www.onsemi.com
37
Using an External VCO
Figure 13. Typical Application Diagram with External VCO
VDD_ANA
GND
ANTP
ANTN
VDD_ANA
CLK16P
CLK16N
GPADC2
GPADC1
VDD_IO
TCXO_EN (GPIO)
IRQ
MOSI
MISO
CLK
FILT
L2
L1
SYSCLK
SEL
AX5243
VCTRL
OUTP
OUTN
EN
VCO
Microcontroller
AX5243
www.onsemi.com
38
Using a TCXO
Figure 14. Typical Application Diagram with a TCXO
VDD_ANA
GND
ANTP
ANTN
VDD_ANA
CLK16P
CLK16N
GPADC2
GPADC1
VDD_IO
TCXO_EN
IRQ
MOSI
MISO
CLK
FILT
L2
L1
SYSCLK
SEL
AX5243
TCXO
C1_TCXO
1
C2_TCXO
1
EN_TCXO
Microcontroller
Note 1: For detailed TCXO network recommendations depending on TCXO output swing
refer to the AX5243 Application Note: Use with a TCXO Reference Clock.
AX5243
www.onsemi.com
39
QFN20 PACKAGE INFORMATION
QFN20 4x4, 0.5P
CASE 485EE
ISSUE A
2.95
20X
0.35
20X
0.50
4.30
0.50
DIMENSIONS: MILLIMETERS
1
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
SOLDERING FOOTPRINT*
PITCH
PKG
OUTLINE
DIM MIN MAX
MILLIMETERS
D 4.00 BSC
E 4.00 BSC
A 0.80 1.00
b 0.25 0.35
e 0.50 BSC
L1 0.00 0.15
A3 0.20 REF
A1 0.00 0.05
L 0.25 0.35
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED TERMINAL
AND IS MEASURED BETWEEN 0.15 AND 0.30 MM
FROM THE TERMINAL TIP.
4. COPLANARITY APPLIES TO THE EXPOSED PAD
AS WELL AS THE TERMINALS.
D2
E2
1
6
11
20
D2 2.75 2.85
E2 2.75 2.85
e
L1
DETAIL A
L
ALTERNATE
A1
A3
L
DETAIL B
MOLD CMPDEXPOSED Cu
ALTERNATE
A
B
E
D
2X
0.10 C
PIN ONE
REFERENCE
TOP VIEW
2X
0.10 C
A
A1
A3
0.08 C
0.10 C
C
SEATING
PLANE
SIDE VIEW
DETAIL B
BOTTOM VIEW
b
20X
0.10 B
0.05
AC
C
NOTE 3
DETAIL A
L20X
4.30
2.95
NOTE 4
CONSTRUCTIONS
TERMINAL CONSTRUCTIONS
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42

AX5243-1-TA05

Mfr. #:
Buy AX5243-1-TA05
Manufacturer:
ON Semiconductor
Description:
RF Transceiver RADIO TRANSCEIVER
Lifecycle:
New from this manufacturer.
Delivery:
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