LA71521M
No. 5842-2/25
min
typ
max
[REC mode Y]
Current drain
20
22
24
mA
(POWER SAVE MODE)
Current drain
130
145
160
mA
(REC)
EE output level 1
T28A
T38
2.0
2.1
2.2
Vp-p
EE output level 2
T28A
T38
2.0
2.1
2.2
Vp-p
AGC characteristics 1
T28A
T38
0
0.6
1.2
dB
AGC characteristics 2
T28A
T38
–1.2
–0.2
0
dB
AGC characteristics 3
T28A
T38
550
650
750 mVp-p
AGC characteristics 4
T28A
T38
370
420
470 mVp-p
Sync separation output level
T28A
T37
4.0
4.2
4.4
Vp-p
Sync separation output pulse
T28A
T37
4.2
4.5
4.8
μ
s
width
Sync separation output
T28A
T37
0.6
0.8
1.0
μ
s
Pre-delay time
Sync separation
T28A
T37
–20
–15
dB
Threshold level
Sync tip level
T28A
T38
700
800
900
mV
Pedestal level
White level measurement
Simulated H insertion level
T28A
T38
–150
0
mV
White insertion level
T28A
T38
–150
0
mV
REC YNR operation
T28A
T25
0
0
0
1.7
2.7
3.7
4.2
5.7
7.2
/
/
/
T28A
T25
–0.3
dB
T28A
T25
–1.4
–0.4
dB
T28A
T25
–4
–2
0
dB
T28A
T25
–25
dB
REC-FM output level
T18
304
320
336 mVp-p
Carrier frequency 1 (PAL)
T18
3.725
3.8
3.875
MHz
Carrier frequency 2 (NTSC)
3.325
3.4
3.475
MHz
+0.6
dB
+0.7
+0.2
+150
+150
Parameter
Symbol
Input
Output
Conditions
Unit
Ratings
Operating Characteristics
at Ta = 25
°
C, V
CC
= 5V
Continued on next page
Influx current measured at pin 41 in power save mode
Sum of influx current at pins 36, 41, 47, 76 measured;
5V: pins 36, 41, 47; 7V: pin 76
T38 output level measured with
V
IN
= 1.0 Vp-p video signal (PAL)
T38 output level measured with
V
IN
= 1.0 Vp-p video signal (NTSC)
Ratio of V
EE
and T38 output level with
V
IN
= 2.0 Vp-p video signal
Ratio of V
EE
and T38 output level with
V
IN
= 0.5 Vp-p video signal
T38 SYNC level measured with
V
IN
= 700 mVp-pLUMI, 600 mVp-p SYNC
T38 SYNC level measured with
V
IN
= 700 mVp-pLUMI, 150 mVp-p SYNC
T37 output pulse crest value measured with
V
IN
= 1.0 Vp-p video signal
T37 output pulse width measured with
V
IN
= 1.0 Vp-p video signal
Delay of output SYNC vs. input SYNC measured with
V
IN
= 1.0 Vp-p video signal
Input level gradually attenuated and measured when
output pulse width becomes larger than PW
SYR
by 1
μ
s
Potential measured with V
IN
= 1.0 Vp-p video signal,
under following conditions.
T38 sync tip level: L
SYN
Pedestal level: L
PED
White peak level: L
WHT
T38 DC level measured with 2.7V DC applied to T33.
Using this as L
HDR
,
differential to L
PED
(see above) is
calculated.
T38 DC level measured with 1.3V DC applied to T33.
Using this as L
WHR
, differential to L
WHT
(see above) is
calculated.
T25 YNR characteristics measured with
V
IP
= 1 Vp-p standard color bar signal
input
1 MHz response of T25 vs. 500 kHz with V
IN
= 1 Vp-p
standard multiburst signal
2 MHz response of T25 vs. 500 kHz with V
IN
= 1 Vp-p
standard multiburst signal
3 MHz response of T25 vs. 500 kHz with V
IN
= 1 Vp-p
standard multiburst signal
4.43 MHz response of T25 vs. 500 kHz with
V
IN
= 1 Vp-p standard multiburst signal
T18 output level measured in no-signal input condition
T18 output frequency measured in no-signal input
condition
Y
LPF
frequency response
characteristics 2
Y
LPF
frequency response
characteristics 3
Y
LPF
frequency response
characteristics 4
I
CCS
I
CCR
V
EE
1
V
EE
2
AGC1
AGC2
AGC3
AGC4
V
SYR
PW
SYR
T
SYR
L
VOR
HDR
R
YNR
WHR
Y
LPF
1
Y
LPF
2
Y
LPF
3
Y
LPF
4
V
FM
F
FM
1
F
FM
2
Serial
00 OFF
10 (weak)
01 (medium)
11 (strong)
TH
SYR
Y
LPF
frequency response
characteristics 1