U4289BM-MFP Atmel, U4289BM-MFP Datasheet - Page 8

• Manufacturer Part Number: U4289BM-MFP
• Description: IC PLL AM/FM W/1 SWITCH 16-SSOP
• Manufacturer: Atmel

Specifications of U4289BM-MFP

• Function: AM/FM PLL
• Frequency: 15MHz
• Rf Type: AM, FM
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 8. Application Circuit
Recommendations
for Applications
8
U4289BM
6 to 15 V
C
C
3
4
100 nF
100 F
6.3 V
110
5V
16
1
•
•
•
•
Figure 9. PCB Layout
27
27 pF
C
GND2 (pin 7, analog ground) and GND1 (pin 16, digital around) must be connected
according to Figure 8
4 MHz crystal must be very close to pin 14 and pin 15
Components of the charge pump (C
close to pin 11 with respect to pin 10.
100 F
15
3
2
16 V
4 MHz
= 100 nF should be very close to pin 1 (V
12k
V
GND
DD
C
4
14
110
3
27 pF
12k
U4289BM
*) Values depend on the step
13
4
frequency and used varicaps
C
3
12
5
C
R
1
16
1 nF
*)
1
1
*)
11
6
15
2
R
C
10
2
7
*)
2
*)
1
/R
C
14
AMOSC
3
5
1
*)
3 k
for AM and C
9
8
2.2 nF
DD
13
4
) and pin 16 (GND 1)
100 nF
FMOSC
12
5
2
/R
C
C
2
1
6
*)
for FM) should be very
11
6
10
7
4757A–AUDR–10/03
C
2
9
8