APA2020 datasheet(4/25 Pages) ANPEC

4 / 25 page

Rev. A.8 - Nov., 2002

APA2020

www.anpec.com.tw

Electrical Characteristics (Cont.)

AC Operating Characteristics , V

DD= 5V , TA= 25°C , RL= 4Ω (unless otherwise noted)

APA2020

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

PSRR

Power supply ripple rejection

f =100 Hz

Mute attenuation

Channel-to-channel output

separation

Line HP input separation

BTL attenuation in SE mode

Input impedance

2MW

Signal-to-noise ratio

Po = 500 mW , BTL

Output noise voltage

ìV(

rms)

Notes 1 : Output power is meaured at the output teminals of the IC at 1 KHz.

Electrical Characteristics (Cont.)

APA2020

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

THD = 10% , BTL , RL=4

Ω

RL=8

Ω

0.6

THD = 1% , BTL , RL=4

Ω

RL=8

Ω

0.8

0.5

THD = 10% , SE , RL=4

Ω

RL=8

Ω

290

180

P(out)

Output power (each channel )

see Note 2

THD = 1% , SE , RL=4

Ω

RL=8

Ω

THD = 0.5% , SE , RL=32

Ω

230

140

PO = 1.6W , BTL , RL=4

Ω

PO = 1W , BTL ,

RL=8

Ω

PO = 78mW , SE ,RL=32

Ω

270

150

THD + N Total harmonic distortion

plus

noise

V1 = 1V , RL=4

Ω , G = 1

BOM

Maximum output power

bandwidth

G = 10 , THD < 1%

>20

KHz

RL = 4

Ω , BTL

RL = 4

Ω , Open Load

Phase margin

RL = 4

Ω , SE

Notes 2 : Output power is meaured at the output teminals of the IC at 1 KHz.

AC Operating Characteristics , V

DD= 3.3V , TA= 25°C , RL= 4Ω (unless otherwise noted)

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