TDA8822M Philips Semiconductors, TDA8822M Datasheet - Page 20

• Manufacturer Part Number: TDA8822M
• Description: Universal I2C-bus programmable RF modulator
• Manufacturer: Philips Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
1997 Jan 08
V VT = 33 V
Universal I
modulator
V CC = 5 V
(1) The components marked: C4, C5, C6, C7, C8, L1 and D1 must be chosen from Table 11 to get the desired frequency range.
NICAM
AUDIO
VIDEO
SDA
SCL
R26
82
470
R24
R21
51
2
C25
C-bus programmable RF
nF
10
470
R25
1 nF
C21
100 nF
C24
C1
100
nF
220 k
24
220 pF
1
R27
C22
VIDEO
V CCA
4.7
R2
k
23
2
AGND
ACP
C2
2.2
F
R22
k
12
68 nF
C26
22
3
PRE
EMPH
AUDIO
Fig.7 Reference application.
21
4
NICAM
RFOSCA
(1)
C4
270
R14
20
5
RFOSCB
(1)
RFGND
C5
20
R5
22 k
270
(1)
R15
L1
19
TDA8822
6
D1
RFA
OGND
(1)
C19
100
pF
(1)
18
7
C6
RFOSCC
(1)
RFB
C7
C18
22 k
100
10 nF
pF
R7
C9
17
8
RFOSCD
(1)
TPSG
C8
15 k
R8
16
9
P0
VVT
1 k
R18
R9
C10
27 k
4.7
nF
15
10
SDA
VCP
100 nF
C27
R10
k
33
Preliminary specification
14
11
SCL
V CCD
TDA8822
13
12
DGND
XTAL
RFA
10 nF
18 pF
C11
C12
XTAL1
4 MHz
MGE678
RFB
P0