Continued from preceding page.

Parameter

Symbol

Conditions

min

typ

max

Unit

2nd harmonic voltage

H2

Rg=50

(Note 1)

–46

–55

dB

3rd harmonic voltage

H3

Rg=50

(Note 1)

–46

–55

dB

Switch changeover voltage

(Note 1)

2.6

3.1

4.0

V

Mute threshold voltage

Low level, (Note 3)

1.1

1.5

1.9

V

High level, (Note 3)

6.6

7.3

8.0

V

Crosstalk between

channels

1ch

Rg = 500

Rg=50

Ω, 2 Vp-p, f = 3.58 MHz, (Note 4)

–50

–68

dB

2ch

–50

–68

dB

3ch

–50

–68

dB

Mute compression ratio

Rg = 600

Ω, 2 Vp-p,f=1 kHz,

–60

dB

Control pin flow-in current

(Note 1)

8

µA

Input impedance

(Note 1)

10

k

Ω

Output impedance

(Note 1)

29

Ω

Pin voltage

(Pin 1)

Test point: V14

7.9

V

7.9

V

(Pin 2)

Test point: V2

7.2

V

(Pin 5)

Test point: V16

7.9

V

7.9

V

(Pin 6)

Test point: V5

7.2

V

(Pin 7)

Test point: V7

7.2

V

(Pin 8)

Test point: V18

7.9

V

7.9

V

(Pin 9)

Test point: V17

7.9

V

7.9

V

(Pin 12)

Test point: V15

7.9

V

7.9

V

(Pin 16)

Test point: V13

7.9

V

7.9

V

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

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

LA7220

No.1409-2/6