AN5195K-C
ICs for TV
■ Electrical Characteristics at Ta = 25°C (continued)
Parameter
Chroma signal processing circuit (continued) Burst 150 mV[p-p] (PAL), reference is B-out
CW output level (3.58 MHz) VCWN
CW output level period (SECAM) TCW
Symbol
Conditions
Min
Typ Max
Unit
AC component, when VCO is set at 3.58 MHz
50 mV[p-p]
CW output period at SECAM and PAL 1.31 1.41 1.51
ms
SECAM discrimination current ISECAM Minimum value for taking out current 50
from pin 59 and discriminating as SECAM
100
150
µA
SECAM discrimination output
VSE
V5 data, when SECAM signal inputted 4.5
5.0
V
0A−D6 = 1, 0A−D7 = 0, SECAM det. out
PAL/NTSC DC level
SECAM DC level
V59PN
V59S
V59 DC level at PAL/NTSC
V59 DC level at SECAM
0.8
4.1
1.3
4.6
1.65
5.1
V
V
RGB processing circuit DAC data are typical
Drive adjustment range
GDV
AC change amount of R, B-out,
when drive adjustment max. and min.
5
6
7
dB
V
Cut-off adjustment range
VCUTOFF DC change amount of R,G,B-out,
when cutoff adjustment max. and min.
2.1
2.4
2.7
YS threshold voltage
YS threshold voltage
VYSON
VYSOFF Maximum DC voltage, when YS turns off
YS = 5 V
∆VPL/IE Internal-external
Minimum DC voltage, when YS turns on 1.0
V
V
0.4
200
200
External RGB pedestal difference voltage ∆VEPL
−200
0
0
mV
mV
Internal and external pedestal
difference voltage
200
External RGB output voltage
VERGB
Input 0.7 V[p-p], contrast 03 = 20 (typ.)
1.8
0.8
12
2.2
1.0
17
2.7 V[p-p]
External RGB output difference voltage ∆VERGB Output ratio of external R,G,B-out
External RGB contrast variable ECmax/min 03 = 3F
1.2
22
Times
dB
range
03 = 00
External RGB frequency characteristics fRGBC
Input 0.2 V[p-p]
8
10
MHz
Internal and external RGB
output voltage ratio
VE/I
External 0.7 V[p-p]/internal 0.6 V[p-p] 0.78 0.92 1.06 Times
input, contrast 03 = 20 (typ.)
Synchronizing signal processing circuit
Horizontal free-running
oscillation frequency
fHO
Without sync. signal input
15.33 15.63 15.93 kHz
Horizontal output pulse duty cycle τHO
Upward going pulse duty cycle
31
37
43
%
Horizontal pull-in range
fHP
Difference from fH = 15.625 kHz
±500 ±650
Hz
Hz
PAL vertical free-running
oscillation frequency
fVO-P
Data 01−D7 = 1, 02−D7 = 0
Forced 50 Hz mode, no sync. signal input
48
58
50
60
10
52
62
NTSC vertical free-running
oscillation frequency
fVO-N
Data 01−D7 = 1, 02−D7 = 1
Forced 60 Hz mode, no sync. signal input
Hz
Vertical output pulse width
PAL vertical pull-in range
NTSC vertical pull-in range
Horizontal output voltage (H)
Horizontal output voltage (L)
τVO
fVP-P
fVP-N
V56H
V56L
For both PAL/NTSC
9
11
54
1/fH
Hz
Hz
V
fH = 15.625 kHz, forced 50 Hz mode
fH = 15.75 kHz, forced 60 Hz mode
High-level DC voltage
46
56
2.9
64
3.2
3.5
0.3
Low-level DC voltage
V
8