Datasheet LA7220 Datasheet (SANYO)

Ordering number: EN1409B

Monolithic Linear IC

LA7220

Electronic Switch for VCR/Audio Use

Overview

The LA7220 is a 3-channel 2-position high-performance analog
switch having wide application from audio band to video band.
It is also provided with 2 channels of muting function.

Package Dimensions

unit : mm

3006B-DIP16

[LA7220]

Features

.

3-channel 2-position switch

.

Wide input dynamic range

.

Low distortion

.

Good frequency characteristic

.

Muting available

SANYO : DIP16

Specifications

Maximum Ratings at Ta = 25°C

Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
Allowable power dissipation Pd max Ta % 65°C 500 mW
Operating temperature Topr –20 to +70 °C
Storage temperature Tstg –40 to +125 °C

max 15 V

CC

Operating Conditions at Ta = 25°C

Parameter Symbol Conditions Ratings Unit
Recommended supply voltage V
Operating voltage range V

CC

op 9to13 V

CC

Operating Characteristics at Ta = 25°C, VCC=12V

Parameter Symbol Conditions min typ max Unit

Current drain I
Total harmonic distortion THD

Noise voltage V

1ch CR1

Crosstalk

Pedestal level ∆Vped V
Maximum input voltage V

2ch CR2 Input 1: Rg = 50 Ω, (Note 2) –60 dB
3ch CR3 Input 1: Rg = 50 Ω, (Note 2) –50 dB

CC

NO

IN max

Rg = 600 Ω, 4.5 Vp-p,f=1kHz, R
(Note 1)

Rg = 600 Ω,f=20Hzto20kHz, RL= ∞,
(Note 1)

Input 1: Rg = 50 Ω, 2 Vp-p, f = 3.58 MHz,
Input 2: Rg = 500 Ω, (Note 2)

(Pins 10, 13, 15)=0to12V,(Note 1) –100

CTL

Rg = 600 Ω,f=1kHz, RL= ∞, THD = 1%,
(Note 1)

L

= ∞,

5.0 Vp-p

Continued on next page.

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN

61096HA(II)/9068YT/8215KI,TS No.1409-1/6

12 V

30.0 39.9 mA

0.007 0.1 %

–93 –80 dBs

–50 dB

0 + 100

mV

LA7220

Continued from preceding page.

Parameter Symbol Conditions min typ max Unit

2nd harmonic voltage H2

3rd harmonic voltage H3
Switch changeover voltage V

Mute threshold voltage

Crosstalk between
channels

1ch
2ch –50 –68 dB
3ch –50 –68 dB

CTLS

V

ML

V

MH

Mute compression ratio
Control pin flow-in current I

Input impedance Z
Output impedance Z

(Pin 1) V
(Pin 2) V
(Pin 5) V
(Pin 6) V

(Pin 7) V

Pin voltage

(Pin 8) V

(Pin 9) V

(Pin 12) V

(Pin 16) V

CTL

IN

OUT

pin1
pin2
pin5
pin6

pin7
pin8

pin9

pin12

pin16

Note 1. Measurements are made for each of 1ch, 2ch, 3ch using input A and input B.

Input A: V
Input B: V

(pins 10, 13, 15) is 12 V at the measurement mode.

CTL

is 0 V at the measurement mode.

CTL

Rg=50Ω, 4.0 Vp-p,f=1MHz, R
(Note 1)

Rg=50Ω, 4.0 Vp-p,f=1MHz, R
(Note 1)

(Note 1) 2.6 3.1 4.0 V
Low level, (Note 3) 1.1 1.5 1.9 V
High level, (Note 3) 6.6 7.3 8.0 V

Rg = 500 Ω,R
Rg=50Ω, 2 Vp-p, f = 3.58 MHz, (Note 4)

=∞, other channel input

L

Rg = 600 Ω, 2 Vp-p,f=1kHz,
R

= ∞, series resistance 10 kΩ, (Note 3)

L

(Note 1) 8 µA
(Note 1) 10 kΩ
(Note 1) 29 Ω
V

=0V

pin15

V

= 12 V 7.9 V

pin15

Test point: V14
Test point: V2 7.2 V

V

=0V

pin13

V

= 12 V 7.9 V

pin13

Test point: V16
Test point: V5 7.2 V

Test point: V7 7.2 V

V

=0V

pin10

V

= 12 V 7.9 V

pin10

V

=0V

pin10

V

= 12 V 7.9 V

pin10

V

=0V

pin13

V

= 12 V 7.9 V

pin13

V

=0V

pin15

V

= 12 V 7.9 V

pin15

Test point: V18

Test point: V17

Test point: V15

Test point: V13

L

L

= ∞,

= ∞,

–46 –55 dB

–46 –55 dB

–50 –68 dB

–60 dB

7.9 V

7.9 V

7.9 V

7.9 V

7.9 V

7.9 V

2. Measurements are made using input A and B.

3. Measurements are made for 1ch, 3ch.

4. Measurements are made for each of 1ch, 2ch, 3ch using input A and B on other channels.

Equivalent Circuit Block Diagram

No.1409-2/6

Test Circuit

LA7220

Unit (resistance: Ω, capacitance: F)

Test Conditions

Item Symbol

Current drain I
Total

harmonic
distortion

Noise 1chA V

Crosstalk 1chA CR c a ccccaaaabbV3

Pedestal
level

1chA THD b cccccaaaabbV3
1chB THD c b ccccaaabbbV3
2chA THD c c b c c c aaababV6
2chB THD c c c b c c aaabbbV6
3chA THD ccccbcaaabbaV8
3chB THD cccccbaaabbbV8

1chB V
2chA V
2chB V
3chA V
3chB V

1chB CR a cccccaaabbbV3
2chA CR c c c a c c aaababV6
2chB CR c c a c c c aaabbbV6
3chA CR cccccaaaabbaV8
3chB CR ccccacaaabbbV8

1ch ∆V

2ch ∆V

3ch ∆V

SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 VR1 VR2 VR3

CC

NO
NO
NO
NO
NO
NO

PED
PED
PED

ccccccaaabbbA1

ccccccaaaabbV3
ccccccaaabbbV3
ccccccaaababV6
ccccccaaabbbV6
ccccccaaabbaV8
ccccccaaabbbV8

ccccccaaaa/bbbV2
ccccccaaaba/bbV5
ccccccaaabba/bV7

SW, VR mode

Test

point

No.1409-3/6

LA7220

Item Symbol

Maximum
input
voltage

2nd
harmonic
voltage

3rd
harmonic
voltage

Switch
changeover
voltage

Mute
threshold

Crosstalk
between
channels

Mute
compression
ratio

1chA V
1chB V
2chA V
2chB V
3chA V
3chB V

IN max
IN max
IN max
IN max
IN max
IN max

SW, VR mode

SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 VR1 VR2 VR3

bcccccaaaabbV19
cbccccaaabbbV1
ccbcccaaababV19
cccbccaaabbbV1
ccccbcaaabbaV19
cccccbaaabbbV1

Test

point

1chA H2-1 a cccccaababbV3
1chB H2-1 c a ccccaabbbbV3
2chA H2-2 c c a c c c aabbabV6
2chB H2-2 c c c a c c aabbbbV6
3chA H2-3 ccccacaabbbaV8
3chB H2-3 cccccaaabbbbV8
1chA H3-1 a cccccaababbV3
1chB H3-1 c a ccccaabbbbV3
2chA H3-2 c c a c c c aabbabV6
2chB H3-2 c c c a c c aabbbbV6
3chA H3-3 ccccacaabbbaV8
3chB H3-3 cccccaaabbbbV8

1ch V

2ch V

3ch V

1ch V

1ch V

3ch V

3ch V

CTLS
CTLS
CTLS

ML
MH
ML
MH

aaccccaaaVar*b b V10
ccaaccaaabVar*bV11
ccccaaaaabbVar*V12
bbccccbaaVar*b b V10
bbccccbaaVar*b b V10
ccccbbababbVar*V12

ccccbbababbVar*V12
1ch ccccacaaaaaaV3
1ch cccccaaaaaabV3
1ch ccccacaaaabaV3
1ch cccccaaaaabbV3
1ch ccacccaaabaaV3
1ch ccacccaaababV3
1ch cccaccaaabbaV3
1ch cccaccaaabbbV3
2ch ccccacaaaaaaV6
2ch cccccaaaaaabV6
2ch ccccacaaabaaV6
2ch cccccaaaababV6
2ch acccccaaaabaV6
2ch acccccaaaabbV6
2ch caccccaaabbaV6
2ch caccccaaabbbV6
3ch ccacccaaaaaaV8
3ch cccaccaaaabaV8
3ch ccacccaaabaaV8
3ch cccaccaaabbaV8
3ch acccccaaaaabV8
3ch acccccaaaabbV8
3ch caccccaaababV8
3ch caccccaaabbbV8
1ch bbccccbaaVar*bbV4

3ch ccccbbababbVar*V9

No.1409-4/6

LA7220

Item Symbol

Control pin
flow-in
current

Pin
voltage

(Pin 1) V
(Pin 1) V
(Pin 2) V
(Pin 5) V
(Pin 5) V
(Pin 6) V
(Pin 7) V
(Pin 8) V
(Pin 8) V
(Pin 9) V

(Pin 9) V
(Pin 12) V
(Pin 12) V
(Pin 16) V
(Pin 16) V

1ch I
2ch I
3ch I

CTL1
CTL2
CTL3

pin1
pin1
pin2
pin5
pin5
pin6
pin7
pin8
pin8
pin9

pin9
pin12
pin12
pin16
pin16

SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 VR1 VR2 VR3

ccccccaaaabbA2
ccccccaaababA3
ccccccaaabbaA4
ccccccaaabbbV14
ccccccaaaabbV14
ccccccaaabbbV2
ccccccaaabbbV16
ccccccaaababV16
ccccccaaabbbV5
ccccccaaabbbV7
ccccccaaabbbV18
ccccccaaabbaV18
ccccccaaabbbV17
ccccccaaabbaV17
ccccccaaabbbV15
ccccccaaababV15
ccccccaaabbbV13
ccccccaaaabbV13

SW,VR mode

(Note) Var*: While monitoring pins 2, 6, 7, adjust so that the minimum output is obtained.

Mute Threshold: While monitoring pins 3, 11, measure the minimum and maximum values of V10, V12 when the
minimum output is obtained.

Test

point

H2–V

CC

2nd harmonic – dB

Supply voltage, VCC–V

H2–f

IN

2nd harmonic – dB

Input frequency, fIN– MHz

1ch to 3ch

H

2–fIN

H

2–VIN

1ch to 3ch

2nd harmonic – dB

Input frequency, fIN– MHz

2nd harmonic – dB

Input voltage, VIN– Vp-p

No.1409-5/6

LA7220

No products described or containedherein are intended for use in surgical implants, life-support systems, aerospace equipment,
nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or
indirectly cause injury, death or property loss.

Anyone purchasing any products described or contained herein for an above-mentioned use shall:
1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors

and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and
expenses associated with such use:

2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO

ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally.

Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume
production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use
or any infringements of intellectual property rights or other rights of third parties.

This catalog provides information as of June, 1996. Specifications and information herein are subject to change without notice.

No.1409-6/6