参数资料
型号: LA7698
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP24
封装: SDIP-24
文件页数: 3/5页
文件大小: 88K
代理商: LA7698
Continued from preceding page.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Note
Tracking magenta detection
EB-Y MDT
PIN = 61°, pin 13=9V,pin 15=3.4 V
2.9
3.3
3.7
Vp-p
*1
Limiter switch off voltage
VCL OFF
PIN = 61°, EB-Y = 3 Vp-p,
pin 15 = open
0.4
0.6
0.8
V
*1
Green enhancement release voltage
VGL OPEN
pin 11 open level
6.8
7.0
7.2
V
*1
Flesh-tone correction release voltage
VFL OPEN
pin 12 open level
6.8
7.0
7.2
V
*1
Flesh-tone phase release voltage
VFP OPEN
pin 14 open level
3.3
3.5
3.7
V
*1
CNR-ON voltage variation
VC-Y CNR
No input pin 1
0 V/9 V
–10
0
+10
mV
Maximum limiter amount
R-Y
VCNR = 9 V, pin 23 = GND, pin 24=7V
V2 (+100 A) – V2 (–100 A)
600
715
785
mV
G-Y
VCNR = 9 V, pin 23 = GND, pin 24=7V
V3 (+100 A) – V3 (–100 A)
285
340
370
mV
B-Y
VCNR = 9 V, pin 23 = GND, pin 24=7V
V4 (+100 A) – V4 (–100 A)
600
715
785
mV
Minimum limiter amount
R-Y
VCNR = 0 V, pin 23 = GND, pin 24=7V
V2 (+100 A) – V2 (–100 A)
0mV
G-Y
VCNR = 0 V, pin 23 = GND, pin 24=7V
V3 (+100 A) – V3 (–100 A)
0mV
B-Y
VCNR = 9 V, pin 23 = GND, pin 24=7V
V4 (+100 A) – V4 (–100 A)
0mV
Maximum limiter level
GR-Ymax
INPUT = 500 kHz, 2 Vp-p, VCNR =9V,
pin 23 = GND, pin 24=7V,pin1=9V
–4.2
dB
GG-Ymax
INPUT = 500 kHz, 1 Vp-p, VCNR =9V,
pin 23 = GND, pin 24=7V,pin1=9V
–3.5
dB
GB-Ymax
INPUT = 500 kHz, 2 Vp-p, VCNR =9V,
pin 23 = GND, pin 24=7V,pin1=9V
–4.2
dB
Minimum limiter level
GR-Ymin
INPUT = 500 kHz, 0.2 Vp-p, VCNR =0V,
pin 23 = GND, pin 24=7V,pin1=9V
–0.5
dB
GG-Ymin
INPUT = 500 kHz, 0.1 Vp-p, VCNR =0V,
pin 23 = GND, pin 24=7V,pin1=9V
–0.5
dB
GB-Ymin
INPUT = 500 kHz, 0.2 Vp-p, VCNR =0V,
pin 23 = GND, pin 24=7V,pin1=9V
–0.5
dB
Normal limiter level
GR-Ytyp
INPUT = 50 kHz, 2 Vp-p, VCNR = open,
pin 23 = GND, pin 24=7V,pin1=9V
–1.2
dB
GG-Ytyp
INPUT = 50 kHz, 1 Vp-p, VCNR = open,
pin 23 = GND, pin 24=7V,pin1=9V
–0.6
dB
GB-Ytyp
INPUT = 50 kHz, 2 Vp-p,VCNR = open,
pin 23 = GND, pin 24=7V,pin1=9V
–1.2
dB
Color edge detection sensitivity
VSCE
Voltage difference between open voltage
of pins 21 and 22 and edge detection
±60
±85
±110
mV
Y edge detection sensitivity
VSYE
Voltage difference between open voltage
of pin 23 and edge detection
±130 ±160 ±190
mV
Y level detection voltage
V-Ymin
No edge detection VCNT = 9 V
0.9
1.2
1.5
V
Y level detection voltage
V-Ymax
No edge detection VCNT = 9 V
3.6
3.9
4.2
V
Limiter level control
VLCNT1
Control voltage at which limiter amount is
50 mV
4.5
4.75
5.0
V
Limiter level control
VLCNT2
Control voltage which is –50 mV from
maximum limiter amount
7.0
7.25
7.5
V
Color edge filter voltage
VEF OPEN
Open DC voltage of pins 21 and 22
4.65
4.9
5.15
V
–Y differential input voltage
VdY OPEN
Open DC voltage of pin 23
3.7
3.9
4.1
V
Limiter control voltage
VCNT OPEN
Open DC voltage of pin 1
5.8
6.0
6.2
V
Limiter filter voltage
VLF OPEN
Open DC voltage of pins 2, 3 and 4
3.95
4.2
4.45
V
Notes: *1) When the CNR limiter level is at a minimum (pin1=0 V)
*2) When both the green enhancement level and flesh-tone correction level are both at a minimum
(pin 11 = 0 V; pin 12 = 0 V)
LA7698
No.3797-3/5
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