TDA8822M Philips Semiconductors, TDA8822M Datasheet - Page 14

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

Philips Semiconductors
CHARACTERISTICS
V
PS setting = 1; video input signal = 500 mV (p-p) EBU colour bars; audio input signal = 45 mV (p-p) 1 kHz sine wave;
unless otherwise specified.
1997 Jan 08
Supply
I
Video characteristics
I
z
m
m
m
m
S/N
G
V/S
f
Audio characteristics
Z
THD
S/N
f
P/S
P
VIDEO
video
AUDIO
CCA
SYMBOL
VIDEO
diff
AUDIO
f
f
f
Universal I
modulator
diff
d
d(clip)
d(TPSG)
d(APL)
m
m(max)
sc(acc)
= V
CCD
= 5 V; T
power supply current
video input current
video input impedance
modulation depth
modulation depth during clipping
condition
modulation depth when TPSG mode
on
variation of the modulation depth with
change of APL between 10 and 90%
video signal-to-noise ratio
differential gain
differential phase
video-to-sync ratio
frequency response for the video
signal
audio input impedance
modulation deviation
maximum modulation deviation
total harmonic distortion
frequency response of the audio signal note 6
sound subcarrier accuracy
picture-to-sound ratio
audio signal-to-noise ratio
2
C-bus programmable RF
amb
= 25 C; in PAL B/G, PAL I, PAL D/K, or NTSC; MD setting = 4; DEV setting = 2;
PARAMETER
analog and digital parts
part-to-part variation;
MD setting = 4
video input level lower
than 1 V (p-p)
part to part variation,
MD setting = 4
reference for APL = 50%
note 1
note 2
note 2
input signal: V/S = 7 : 3
note 3
without any resistor
between AUDIO and
AGND
SC setting = 1, 2 or 3;
DEV setting = 2
SC setting = 0;
DEV setting = 2
V
note 4
50 mV (p-p) sine wave at
1 kHz on AUDIO pin
note 5
note 7
no audio signal; no video
signal; PS setting = 1
AUDIO
14
CONDITIONS
= 500 mV (p-p);
30
77.5
72.5
48
6.9 : 3.1 7 : 3
30
20
10
180
44
2
1
1
1
15
MIN.
60
0.5
82.5
82.5
0
52
3
3
25
12.5
250
0.4
47
0
TYP.
12
Preliminary specification
72
2.0
87.5
99
92.5
+2
6
6
7.1 : 2.9
+1
30
15
1.0
+1
+1
TDA8822
9
MAX.
mA
k
%
%
%
%
dB
%
deg
dB
k
kHz
kHz
kHz
%
dB
dB
kHz
dB
UNIT
A