LA7214
Ordering number : EN2875A
VCR-Use
Automatic Channel Selection Peripheral
Monolithic Linear IC
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
73097HA (KOTO) / D1295TH/9028YT, TS No.2875-1/2
Package Dimensions
unit: mm
3017C-SIP9
[LA7214]
SANYO: SIP9
Specifications
Maximum Ratings at Ta=25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
7.0
V
Allowable power dissipation
Pd max
Ta
≤75°C
150
mW
Operating temperature
Topr
–15 to +75
°C
Storage temperature
Tstg
–40 to +125
°C
Operating Conditions at Ta=25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
5.0
V
Operating voltage range
VCC op
4 to 6
V
Operating Characteristics at Ta=25°C, VCC=5V
Parameter
Symbol
Conditions
Ratings
min
typ
max
Unit
Circuit Current
ICC
No load
4
6.5
9
mA
Sync separation operating current
ISYNC
SW1=b
85
A
Sync separation minimum input
VI min
Color bar signal
–12
dB
level
1Vp-p=0dB, SW1=a
Buffer amp gain
G1
RL=240, VIN=1Vp-p, 500kHz
–2
–1
0
dB
Buffer amp gain
G2
RL=240, VIN=1Vp-p, 5MHz
–2
–1
0
dB
Comparator reference voltage
V7
2.5
V
Hysteresis amount
V7
V7=V7H–V7L
50
mV
Output DC level
V1H
No load
4.9
V
Output DC level
V1L
No load
0.2
V
Output DC level
V8H
No load
4.9
V
Output DC level
V8L
No load
0.2
V
Overview
The LA7214 is a VCR-use automatic channel selection
peripheral IC that contains a sync separator, a video buffer,
and a comparator.
Functions and Features
Sync separator
Video buffer
Comparator
Recommended supply voltage : 5V
Sync separator, comparator output of open collector type
(RL=10k), negative polarity output.