APA2181 datasheet(4/21 Pages) ANPEC

4 / 21 page

Rev. A.2 - Apr., 2010

APA2181

www.anpec.com.tw

APA2181

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

DRIVERS (CONT.)

PSRR

Power Supply Rejection Ratio

VDD=2.3V to 5.5V, Vrr=200mVrms

fin= 217Hz

fin= 1kHz

fin= 20kHz

-80

-40

-60

-35

Maximum Capacitive Load

400

Tstart-up

Start-up Time

VESD

ESD Protection

OUTR, OUTL

THD+N=1%, fin=1kHz

RL=16

Ω

RL=32

Ω

Output Power (Stereo, In

Phase)

THD+N=10%, fin=1kHz

RL=16

Ω

RL=32

Ω

THD+N

Total Harmonic Distortion

Plus Noise

PO=20mW, RL=32

Ω

fin=20Hz

fin=1kHz

fin=20kHz

0.03

0.20

Crosstalk

Channel Separation

PO=40mW, RL=32

Ω,

fin=20Hz

fin=1kHz

fin=20kHz

S/N

Signal to Noise Ratio

VDD=5V, PO=140mW, RL=32

Ω,

With A-weighting Filter

LDO (LOW DROP-OUT REGULATOR)

Output Voltage Accuracy

Over Temp & Over Load Current

±5

Output Current

ILIM

Current-Limit

ISC

Short Circuit Current-Limit

PSRR

Power Supply Rejection Ratio

IO=1mA, fin=1kHz

Electrical Characteristics (Cont.)

DD=3.6V, VGND=VPGND=0V, VSDN=VDD, CCPF=CCPO=1µF, Ci=1µF, TA=25

C (unless otherwise noted)

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