LA70100M_06 SANYO [Sanyo Semicon Device], LA70100M_06 Datasheet - Page 4

• Manufacturer Part Number: LA70100M_06
• Description: SECAM Chroma-Signal Processor IC for VCR
• Manufacturer: SANYO [Sanyo Semicon Device]

Continued from preceding page.
Supplemental Description
(Note 1) REC mode BELL center frequency (FBLR1, FBLR2, FBLR3) :
(Note 3) REC EQ (1.1MHz A-BELL) center frequency (FEQR) :
(Note 4) Assign to V15R the voltage of T15 at the time of VAGC measurement.
(Note 5) PB EQ (1.1MHz BELL) center frequency (FEQP) :
(Note 6) PB 4.3MHz A-BELL center frequency (1 FBLP1) / (2 FBLP2) / (3 FBLP3) :
SECAM detection
characteristics-1
SECAM detection
characteristics-2
R/P control threshold voltage
Clock input level
Sync signal input threshold level
SECAM DET comparator
threshold voltage
FBLR2 (T10=0V), FBLR3 (T10=5V) the frequency at T16 where the amplitude is maximized.
the frequency at T11 where the amplitude is minimized.
T11 is maximized.
(T10=0V), FBEQP3 (T10=5V) the frequency at T18 where the signal level at T20 is minimized.
Input a sine wave (200mVpp, 4 to 5MHz) to T16 and measure the amplitude at T20. Assign to FBLR1 (T10=OPEN),
Observe the waveform at T11 when T12=sine wave (200mVpp, 4 to 5MHz, BIAS=4V) is input and assign to FEQR
Input a sine wave (50mVpp, 1 to 1.2MHz) to T14 and assign to FEQP the frequency at T14 where the signal level of
Input a sine wave (200mVpp, 1 to 1.2MHz, BIAS=4V)) to T18 and assign to FBQP1 (T10=OPEN), FBQP2
Parameter
T16
T29
VTCOMP
VSCMP1
VSCMP2
Symbol
VTRP
VCLK
VTHS
V25
V26
V25
V26
T17
T29
T27
1.5µs
T2
In
SECAM standard color bar signal (75%)
4.40625MHz
214.5mVpp
T28
T28
T28
T28
Out
T9
LA70100M
D R
( see notes-15 )
( see notes-15 )
Minimum voltage of T16 under normal PB
condition
T2 = Sign Wave (4.433619MHz), SW9 = ON
Minimum voltage of T9 at phase locked T2
with T8.
Minimum voltage of T29 at BGP outputs
normally from T28. T9 = 5V
Minimum applied voltage of T27 at T28 = H.
Fig.1
Conditions
166.7mVpp
4.25MHz
D B
min
100
4.5
2.3
1.8
3.2
Ratings
typ
200
2.5
2.0
3.5
max
800
0.5
2.7
2.2
3.8
No.7204-4/16
mVp-p
Vp-p
Unit
V
V
V
V