ATR4285-TKQY Atmel, ATR4285-TKQY Datasheet - Page 11

• Manufacturer Part Number: ATR4285-TKQY
• Description: IC AM/FM PLL W/4SWITCHES 20SSOP
• Manufacturer: Atmel

Specifications of ATR4285-TKQY

• Function: AM/FM PLL
• Frequency: 15MHz
• Rf Type: AM, FM
• Package / Case: 20-SOIC (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.1
4884A–AUDR–08/05
Recommendations for Applications
Figure 9-2.
• C
• GND 2 (pin 10 — analog ground) and GND 1 (pin 20 — digital ground) must be connected
• 4 MHz crystal must be very close to pin 18 and pin 19
• Components of the charge pump (C
according to
14 with respect to pin 13
3
V
GND
= 100 nF should be very close to pin 1 (V
DD
C
4
PCB Layout
Figure 9-1
C
3
20
1
19
2
1
18
/R
3
1
for AM and C
17
4
DD
) and pin 20 (GND 1)
16
5
2
/R
2
15
6
for FM) should be very close to pin
C
1
14
7
13
8
C
ATR4285
2
12
9
11
10
11