TDA8446 Philips Semiconductors, TDA8446 Datasheet - Page 7

• Manufacturer Part Number: TDA8446
• Description: Fast RGB/YC switch for digital decoding
• Manufacturer: Philips Semiconductors

Philips Semiconductors
CHARACTERISTICS
V
1995 Feb 16
Supply
I
SVRR
Y and R, G, B channels
I
I
G
G
R
V
t
t
I
Chrominance channel (CIN, COUT)
R
V
G
Z
R
TTL inputs (SW1, SW2, CLI)
I
I
CC
CC
CL
I
fsd
fs
IFS
IH
IL
SYMBOL
G
t
off
o
O
O
Fast RGB/YC switch for digital decoding
O
i
o
A
B
G
A
G
diff
= 12 V; T
amb
supply current
supply voltage rejection ratio
input clamping current
input current
gain of amplifier A
gain of amplifier B
RGB matrixed according to the
following equations:
relative gain difference
maximum gain variation
output resistance
time difference at output
DC output level
fast switching delay
fast switching time
input current on fast switching
control (pin 13)
internal input resistance
DC output level
gain of amplifier A
maximum gain variation
isolation (off state)
output impedance
output resistance
HIGH level input current
LOW level input current
Y = 0.30R + 0.59G + 0.11B
R Y = 0.70R
B Y = 0.30R
= 25 C; unless otherwise specified.
PARAMETER
0.59G
0.59G + 0.89B
0.11B
note 1
V
V
f
f
f
note 2
100 kHz
f
V
see Fig.4
see Fig.4
V
V
I
f
f
100 kHz
f
V
V
V
i
i
i
i
I
i
i
i
CC
I
CCL
I
I
SW1
IH
IL
= 1 MHz; V
= 1 MHz; V
= 1 MHz
= 1 MHz; note 3
= 1 MHz; V
= 1 MHz; V
= 5 MHz; V
= 0
= 9 V
= 0.4 V
= 1 V
= 0.8 V
= 2 V
= 6 V; V
= 6 V
= V
7
SW2
CONDITIONS
f
f
i
i
I
SW2
SW2
SW1
SW2
SW1
= 0.8 V
= 0 V
8 MHz
8 MHz
= 2 V
= 0.8 V
= V
= 0.8 V
= V
SW2
SW2
= 2 V
= 0.8 V
30
0.3
5
5
100
MIN.
1.5
1
1
1
+0.5
0
6
0
0
3
15
4.2
20
10
0.7
0.5
50
5
0
6
3
60
7
TYP.
Product specification
75
+1.5
+1
7
+1
10
25
+1
7
10
TDA8446
MAX.
600
mA
dB
mA
dB
dB
dB
%
dB
ns
V
ns
ns
k
V
dB
dB
dB
dB
k
UNIT
A
A
A
A
A