TDA8822 Datasheet, PDF (5/28 Pages) NXP Semiconductors – Universal I2C-bus programmable RF modulator

Philips Semiconductors
Universal I²C-bus programmable RF
modulator
Preliminary specification
TDA8822
PINNING
SYMBOL
V_CCA
ACP
PREEMPH
RFOSCA
RFOSCB
OGND
RFOSCC
RFOSCD
VVT
VCP
V_CCD
XTAL
DGND
SCL
SDA
P0
TPSG
RFB
RFA
RFGND
NICAM
AUDIO
AGND
VIDEO
PIN
DESCRIPTION
1 analog power supply
2 audio charge pump output
3 audio pre-emphasis network
4 RF oscillator A (collector) output
5 RF oscillator B (base) input
6 RF oscillator ground
7 RF oscillator C (base) input
8 RF oscillator D (collector) output
9 video tuning voltage output
10 video charge pump output
11 digital power supply
12 crystal oscillator input
13 digital ground
14 serial clock (I²C-bus) input
15 serial data (I²C-bus) input/output
16 general purpose output
17 test pattern signal generator
input/output pin
18 RF output B
19 RF output A
20 ground for the RF outputs
21 NICAM input
22 audio input
23 analog ground
24 video input
handbook, halfpage
VCCA ₁
ACP 2
24 VIDEO
23 AGND
PREEMPH 3
22 AUDIO
RFOSCA 4
21 NICAM
RFOSCB 5
20 RFGND
OGND 6
RFOSCC 7
19 RFA
TDA8822
18 RFB
RFOSCD 8
17 TPSG
VVT 9
16 P0
VCP 10
15 SDA
VCCD ₁₁
XTAL 12
14 SCL
13 DGND
MGE673
Fig.2 Pin configuration.
1997 Jan 08
5