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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 Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Ta % 65°C Conditions Ratings 15 500 20 to +70 40 to +125 Unit V mW °C °C

Operating Conditions at Ta = 25°C
Parameter Recommended supply voltage Operating voltage range Symbol VCC VCCop Conditions Ratings 12 9 to 13 Unit V V

Operating Characteristics at Ta = 25°C, VCC = 12 V
Parameter Current drain Total harmonic distortion Noise voltage 1ch Crosstalk Pedestal level Maximum input voltage 2ch 3ch Symbol ICC THD VNO CR1 CR2 CR3 Vped VIN max Conditions Rg = 600 , 4.5 Vp-p, f = 1 kHz, RL= , (Note 1) Rg = 600 , f = 20 Hz to 20 kHz, RL = , (Note 1) Input 1: Rg = 50 , 2 Vp-p, f = 3.58 MHz, Input 2: Rg = 500 , (Note 2) Input 1: Rg = 50 , (Note 2) Input 1: Rg = 50 , (Note 2) VCTL (Pins 10, 13, 15) = 0 to 12 V, (Note 1) Rg = 600 , f = 1 kHz, RL = , THD = 1%, (Note 1) min typ 30.0 0.007 93 50 60 50 100 5.0 max 39.9 0.1 80 Unit mA % dBs dB dB dB mV Vp-p

0 + 100

Continued on next page.

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

LA7220
Continued from preceding page.
Parameter 2nd harmonic voltage 3rd harmonic voltage Switch changeover voltage Mute threshold voltage Crosstalk between channels Mute compression ratio Control pin flow-in current Input impedance Output impedance (Pin 1) (Pin 2) (Pin 5) (Pin 6) (Pin 7) Pin voltage (Pin 8) (Pin 9) (Pin 12) (Pin 16) ICTL ZIN ZOUT Vpin1 Vpin2 Vpin5 Vpin6 Vpin7 Vpin8 Vpin9 Vpin12 Vpin16 1ch 2ch 3ch Symbol H2 H3 VCTLS VML VMH Conditions Rg = 50 , 4.0 Vp-p, f = 1 MHz, RL = , (Note 1) Rg = 50 , 4.0 Vp-p, f = 1 MHz, RL = , (Note 1) (Note 1) Low level, (Note 3) High level, (Note 3) Rg = 500 , RL = , other channel input Rg = 50 , 2 Vp-p, f = 3.58 MHz, (Note 4) Rg = 600 , 2 Vp-p, f = 1 kHz, RL = , series resistance 10 k, (Note 3) (Note 1) (Note 1) (Note 1) Vpin15 = 0 V Test point: V14 Vpin15 = 12 V Test point: V2 Vpin13 = 0 V Test point: V16 Vpin13 = 12 V Test point: V5 Test point: V7 Vpin10 = 0 V Test point: V18 Vpin10 = 12 V Vpin10 = 0 V Test point: V17 Vpin10 = 12 V Vpin13 = 0 V Test point: V15 Vpin13 = 12 V Vpin15 = 0 V Test point: V13 Vpin15 = 12 V min 46 46 2.6 1.1 6.6 50 50 50 typ 55 55 3.1 1.5 7.3 68 68 68 60 8 10 29 7.9 7.9 7.2 7.9 7.9 7.2 7.2 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 4.0 1.9 8.0 max Unit dB dB V V V dB dB dB dB µA k V V V V V V V V V V V V V V V

Note 1. Measurements are made for each of 1ch, 2ch, 3ch using input A and input B. Input A: VCTL (pins 10, 13, 15) is 12 V at the measurement mode. Input B: VCTL is 0 V at the measurement mode. 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

LA7220
Test Circuit

Unit (resistance: , capacitance: F)

Test Conditions
Item Current drain Total harmonic distortion 1chA 1chB 2chA 2chB 3chA 3chB Noise 1chA 1chB 2chA 2chB 3chA 3chB Crosstalk 1chA 1chB 2chA 2chB 3chA 3chB Pedestal level 1ch 2ch 3ch Symbol ICC THD THD THD THD THD THD VNO VNO VNO VNO VNO VNO CR CR CR CR CR CR VPED VPED VPED SW, VR mode SW1 c b c c c c c c c c c c c c a c c c c c c c SW2 c c b c c c c c c c c c c a c c c c c c c c SW3 c c c b c c c c c c c c c c c c a c c c c c SW4 c c c c b c c c c c c c c c c a c c c c c c SW5 c c c c c b c c c c c c c c c c c c a c c c SW6 c c c c c c b c c c c c c c c c c a c c c c SW7 a a a a a a a a a a a a a a a a a a a a a a SW8 a a a a a a a a a a a a a a a a a a a a a a SW9 a a a a a a a a a a a a a a a a a a a a a a VR1 b a b b b b b a b b b b b a b b b b b a/b b b VR2 b b b a b b b b b a b b b b b a b b b b a/b b VR3 b b b b b a b b b b b a b b b b b a b b b a/b Test point A1 V3 V3 V6 V6 V8 V8 V3 V3 V6 V6 V8 V8 V3 V3 V6 V6 V8 V8 V2 V5 V7

No.1409-3/6

LA7220
Item Maximum input voltage 1chA 1chB 2chA 2chB 3chA 3chB 2nd harmonic voltage 1chA 1chB 2chA 2chB 3chA 3chB 3rd harmonic voltage 1chA 1chB 2chA 2chB 3chA 3chB Switch changeover voltage Mute threshold 1ch 2ch 3ch 1ch 1ch 3ch 3ch Crosstalk between channels 1ch 1ch 1ch 1ch 1ch 1ch 1ch 1ch 2ch 2ch 2ch 2ch 2ch 2ch 2ch 2ch 3ch 3ch 3ch 3ch 3ch 3ch 3ch 3ch Mute 1ch compression 3ch ratio Symbol VIN max VIN max VIN max VIN max VIN max VIN max H2-1 H2-1 H2-2 H2-2 H2-3 H2-3 H3-1 H3-1 H3-2 H3-2 H3-3 H3-3 VCTLS VCTLS VCTLS VML VMH VML VMH SW, VR mode SW1 b c c c c c a c c c c c a c c c c c a c c b b c c c c c c c c c c c c c c a a c c c c c c a a c c b c SW2 c b c c c c c a c c c c c a c c c c a c c b b c c c c c c c c c c c c c c c c a a c c c c c c a a b c SW3 c c b c c c c c a c c c c c a c c c c a c c c c c c c c c a a c c c c c c c c c c a c a c c c c c c c SW4 c c c b c c c c c a c c c c c a c c c a c c c c c c c c c c c a a c c c c c c c c c a c a c c c c c c SW5 c c c c b c c c c c a c c c c c a c c c a c c b b a c a c c c c c a c a c c c c c c c c c c c c c c b SW6 c c c c c b c c c c c a c c c c c a c c a c c b b c a c a c c c c c a c a c c c c c c c c c c c c c b SW7 a a a a a a a a a a a a a a a a a a a a a b b a a a a a a a a a a a a a a a a a a a a a a a a a a b a SW8 a a a a a a a a a a a a a a a a a a a a a a a b b a a a a a a a a a a a a a a a a a a a a a a a a a b SW9 a a a a a a b b b b b b b b b b b b a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a VR1 a b b b b b a b b b b b a b b b b b Var* b b Var* Var* b b a a a a b b b b a a b b a a b b a a b b a a b b Var* b VR2 b b a b b b b b a b b b b b a b b b b Var* b b b b b a a b b a a b b a a a a b b b b a b a b a b a b b b VR3 b b b b a b b b b b a b b b b b a b b b Var* b b Var* Var* a b a b a b a b a b a b a b a b a a a a b b b b b Var* Test point V19 V1 V19 V1 V19 V1 V3 V3 V6 V6 V8 V8 V3 V3 V6 V6 V8 V8 V10 V11 V12 V10 V10 V12 V12 V3 V3 V3 V3 V3 V3 V3 V3 V6 V6 V6 V6 V6 V6 V6 V6 V8 V8 V8 V8 V8 V8 V8 V8 V4 V9

No.1409-4/6

LA7220
Item Control pin flow-in current Pin voltage 1ch 2ch 3ch (Pin 1) (Pin 1) (Pin 2) (Pin 5) (Pin 5) (Pin 6) (Pin 7) (Pin 8) (Pin 8) (Pin 9) (Pin 9) (Pin 12) (Pin 12) (Pin 16) (Pin 16) Symbol ICTL1 ICTL2 ICTL3 Vpin1 Vpin1 Vpin2 Vpin5 Vpin5 Vpin6 Vpin7 Vpin8 Vpin8 Vpin9 Vpin9 Vpin12 Vpin12 Vpin16 Vpin16 SW,VR mode SW1 c c c c c c c c c c c c c c c c c c SW2 c c c c c c c c c c c c c c c c c c SW3 c c c c c c c c c c c c c c c c c c SW4 c c c c c c c c c c c c c c c c c c SW5 c c c c c c c c c c c c c c c c c c SW6 c c c c c c c c c c c c c c c c c c SW7 a a a a a a a a a a a a a a a a a a SW8 a a a a a a a a a a a a a a a a a a SW9 a a a a a a a a a a a a a a a a a a VR1 a b b b a b b b b b b b b b b b b a VR2 b a b b b b b a b b b b b b b a b b VR3 b b a b b b b b b b b a b a b b b b Test point A2 A3 A4 V14 V14 V2 V16 V16 V5 V7 V18 V18 V17 V17 V15 V15 V13 V13

(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. H2 VCC H2 fIN

1ch to 3ch

2nd harmonic dB

2nd harmonic dB

Supply voltage, VCC V H2 fIN
1ch to 3ch

Input frequency, fIN MHz H2 VIN

2nd harmonic dB

Input frequency, fIN MHz

2nd harmonic dB

Input voltage, VIN Vp-p

No.1409-5/6

LA7220

No products described or contained herein 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