Sanyo LA7221 Specifications
Ordering number:ENN2834B
Monolithic Linear IC
LA7221
VCR Electronic Switch
Overview
The LA7221 is an electronic switch that was designed for use in audio video applications. It provides a wide dynamic range. The LA7221 has on-chip video clamp circuits (clamp
elimination function).
Features
•Low-voltage (5V) operation.
•Three inputs selectable and muting function.
•Video clamp circuits on chip.
•Wide dynamic range (2.0Vp-p or greater).
Specifications
Package Dimensions
unit:mm |
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3017C-SIP9 |
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[LA7221] |
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1.5 |
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22.3 |
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3.0 |
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4.8 |
1.0 |
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0.51 min |
5.7 max |
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3.2 |
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1 |
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9 |
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0.99 |
2.54 |
0.5 |
1.3 |
0.25 |
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1.35 |
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SANYO : SIP9 |
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Maximum Ratings at Ta = 25˚C
Parameter |
Symbol |
Conditions |
Ratings |
Unit |
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Maximum supply voltage |
VCC max |
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7.0 |
V |
Allowable power dissipation |
Pd max |
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100 |
mW |
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Operating temperature |
Topr |
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–10 to +70 |
˚C |
Storage temperature |
Tstg |
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–40 to +125 |
˚C |
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Operating Characteristics at Ta = 25˚C, VCC=5.0V
Parameter |
Symbol |
Conditions |
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Ratings |
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Unit |
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min |
typ |
max |
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Operating voltage |
VCC op |
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4.5 |
5.0 |
6.2 |
V |
Current drain |
ICC |
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3.5 |
4.6 |
6.6 |
mA |
Maximum input level |
VIN max |
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2.0 |
2.2 |
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Vp-p |
Frequency characteristic |
GF |
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0 |
±0.5 |
dB |
Total harmonic distortion |
THD |
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0.03 |
0.1 |
% |
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Crosstalk |
CT |
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–70 |
–60 |
dB |
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Crosstalk appearing in muting circuit |
CTm |
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–60 |
–50 |
dB |
Output DC offset |
VOUT |
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5 |
15 |
mV |
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CTL changeover level |
VCTL |
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1.0 |
1.4 |
1.8 |
V |
Differential gain |
DG |
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0.5 |
1.0 |
% |
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Differential phase |
DP |
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0.5 |
1.0 |
deg |
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Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other parameters) listed in products specifications of any and all SANYO products described or contained herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
42000TN (KT)/O3095MH/9058YT No.2834–1/3
LA7221
Block Diagram and Application Circuit |
Truth Table |
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CTL 1 |
H |
L |
– |
L |
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CTL 2 |
L |
H |
– |
L |
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MUTE CTL |
L |
L |
H |
L |
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OUT |
IN 1 |
IN 2 |
DC |
IN 3 |
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* : The output is indeterminate at other states than shown above.
LA7221 Input / Output Configuration
Pin |
Pin Name |
I/O Impedance or I/O Configuration |
DC Voltage |
Remarks |
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1 |
IN1 |
∞ |
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2.4V |
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2 |
CONTROL 1 |
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0V |
ON at 2.0V |
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or greater |
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3 |
IN2 |
∞ |
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2.4V |
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4 |
CONTROL 2 |
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0V |
ON at 2.0V |
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or greater |
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5 |
GND |
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0V |
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6 |
IN3 |
∞ |
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2.4V |
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7 |
MUTE |
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0V |
ON at 2.0V |
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CONTROL |
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or greater |
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8 |
OUT |
20Ω |
Emitter follower |
1.0V |
Collector current |
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1.6mA |
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9 |
VCC |
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5.0V |
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No.2834–2/3
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