an3275sb Panasonic Corporation of North America, an3275sb Datasheet - Page 4

• Manufacturer Part Number: an3275sb
• Description: Cm Detection Ic For Vcrs In The North American Market
• Manufacturer: Panasonic Corporation of North America

AN3275SB
Note) * 1: The unit which stands for the ratio of the video signal amplitude to a total amplitude. 140IRE
4
H-mask delay
H-mask width
ENV detection level
Black detection block
Pin33 sync. DC level
Chroma trap frequency
characteristics
LPF2 frequency characteristics
Pin 30 output dynamic range
Pin 30 pedestal DC level
Pin 28 output dynamic range
Pin 28 pedestal DC level
Masking level DC offset
Black detection hysteresis
HSS,VSS block
Sync. separation minimum input
sensitivity
HSS front edge delay
VSS front edge delay
VSS pulse width
Non-audio detection block
LPF3 frequency characteristics
Pin 7 output dynamic range
Design reference data
Note) The characteristics below are theoretical values based on the IC design and are not guaranteed.
Electrical Characteristics at V
Parameter
Parameter
* 1
* 1
Symbol
Symbol
CC
V
V
V
t
t
t
S
V
WVSS
t
DHSS
DVSS
V
V
t
SE
f
f
f
V
HW
SY33
PD30
PD28
HD
HSS
V2
V3
A1
V
VCN
30
28
PD
7
5.0 V, T
Input 33, output 30, delay from HSS
Input 33, output 30, pin 2: 2 700 pF
V
Input 33, output 33
Pin 33: 1.0 F, 140IRE 2.1 V[p-p]
Input 33, output 30
Ratio of pin 30 500 kHz to 3.58 MHz
Input 33, output 30
Ratio of pin 30 500 kHz to 1.0 MHz
Input 33, output 30
Pin 30: 10 k to GND
Input 33, output 30
Pin 30: 10 k to GND
Input 33, output 28
Pin 28: 10 k to GND
Input 33, output 28
Pin 28: 10 k to GND
Input 33, output 28
Pin 28: 10 k to GND, pin 2 GND
Input 28, output 18
Pin 28
Input 33, output 24
Pin 33: V
HSS front edge delay from
input 33, output 24, pin 33
Input 33, output 23
Input 33, output 23
Input 4, output 7
Ratio of pin 7
Input 4, output 7
Input 15, output 13,
IN
a
200 mV[p-p]
25 C (continued)
IN
triangular wave
Conditions
Conditions
2.1 V[p-p], white 100%
5 kHz to 15 kHz
10.5
Min
Min
105
30
5.5
2.0
12.5
Typ
Typ
130
215
1.8
1.6
1.6
0.0
1.0
5.0
34
30
30
40
25
2.1 V[p-p]
7.5
3.0
35
3
ICs for VCR
Max
Max
14.5
155 mV[p-p]
0.2
38
9.5
mV[p-p]
(IRE)
(IRE)
Unit
Unit
dB
dB
dB
dB
%
V
V
V
V
s
s
s
s
s