
AN5195K-C
ICs for TV
6
I
Electrical Characteristics at T
a
=
25
°
C (continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
AV SW circuit
Video SW voltage gain
G
VSW
f
VSW
f
=
1MHz, V
IN
=
V[p-p]
Frequency to become
3 dB
from f
=
1 MHz, V
IN
=
0.714 V[0-p]
5.7
6.7
7.7
dB
Video SW f characteristics
8
10
MHz
Video SW external input pin voltage
V
31
DC measurement
1.7
2.0
2.3
V
Video SW external output DC voltage
V
44E
DC measurement, 03
D7
=
1, 0B
D7
=
1
4.2
4.8
5.4
V
Video SW external input resistance
R
I31
DC measurement
44
56
68
k
Video SW output resistance
R
O44
DC measurement, I
O
=
0.6 mA to
1.0 mA
DC measurement, I
IN
=
1.0 mA
100
140
180
Video SW internal clamp pin voltage
V
38,40
1.3
1.6
1.9
V
Video SW internal output DC voltage
V
44I
G
ASW
DC measurement
3.7
4.3
4.9
V
Audio SW voltage gain
Data 03
D7
=
1, 0B
D7
=
1
(external input) f
=
400 Hz, V
IN
=
1 V[p-p]
1
0
1
dB
Audio SW input pin voltage
V
34
DC measurement
3.7
4.2
4.7
V
Audio SW output DC voltage
V
28
DC measurement
3.7
4.2
4.7
V
Audio SW input resistance
R
I34
DC measurement
55
65
75
k
Audio SW output resistance
R
O28
DC measurement
200
400
600
Video signal processing circuit
Typical input: 0.6 V[p-p] (V
WB
=
0.42 V[p-p] stair-step), at G-out
Data 03
=
20 (typ.) (contrast)
Data 03
=
3F (max.)
Data 03
=
00 (min.)
03
=
3F
03
=
00
Pin 33
=
5 V (sharpness), frequency
to become
3 dB from f
=
0.2 MHz
V
33
=
7 V , f
=
3.8 MHz
V
33
=
5 V
Data 02
=
40 (typ.) (brightness)
V
PED
Difference between data 02
=
00 and 7F
Brightness control sensitivity
V
BRT
Average amount of change
at data 02
=
30 and 50 per 1 step
Video output (typ.)
V
YO
1.9
2.4
2.9
V[0-p]
Video output (max.)
V
YOmax
4.1
5.0
5.9
V[0-p]
Video output (min.)
V
YOmin
Y
Cmax/min
0.15
0.50
1.00
V[0-p]
Contrast variable range
15
20
25
dB
Video frequency characteristics
f
YC
5.5
6.0
MHz
Picture quality variable range
Y
Smax/min
9
13
17
dB
Pedestal level (typ.)
V
PED
2.0
2.5
3.0
V
Pedestal level variable width
2.0
2.6
3.2
V
14
20
26
mV/
Step
Video input clamp voltage
V
YCLP
Clamp voltage of pin 45
3.2
3.7
4.2
V
ACL sensitivity
ACL
Change of Y-out, when V
20
=
3.0 V
→
3.5 V
2.4
3.0
3.6
V/V
Blanking off threshold voltage
V
YBL
V
STH
DC voltage of blanking pulse
1.0
1.5
V
Blanking level
Service SW threshold voltage
*1
Stop voltage of vertical output,
when lowering pin 20 (ACL) voltage
0.3
V
DC restoration ratio
T
DC
APL 10% to 90%
T
DC
=
AC
DC
×
100
AC
90
100
110
%
Video input clamp current
I
YCLP
DC measurement: IC inside sink current
8
13
18
μ
A
Note)*1:
Take great care for not to become V
20
< 0.9 V at set design so that the pin 20 is combined use for service SW when it is used as the ACL
.