APA2178 datasheet(5/30 Pages) ANPEC

5 / 30 page

Rev. A.3 - Jul., 2009

www.anpec.com.tw

APA2178

Electrical Characteristics (Cont.)

APA2178

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD=4.5V, TA=25°

C (CONT.)

fin = 1kHz

PO = 15mW, RL = 16

Ω

PO = 15mW, RL = 32

Ω

VO = 0.31Vrms, RL = 300

Ω

Crosstalk

Channel Separation

VO = 0.31Vrms, RL = 10k

Ω

100

With A-weighting Filter

PO = 100mW, RL = 32

Ω

100

S/N

Signal-to-Noise Ratio

VO = 3.1Vrms, RL = 10k

Ω

105

VDD=3.3V, TA=25°

THD+N = 1%, fin=1kHz

RL = 16

Ω

RL = 32

Ω

THD+N = 10%, fin=1kHz

RL = 16

Ω

100

Output Power (Stereo, in Phase)

RL = 32

Ω

100

fin = 1kHz

PO = 50mW, RL = 16

Ω

0.03

PO = 50mW, RL = 32

Ω

0.02

VO = 1.6Vrms, RL = 300

Ω

0.005

THD+N

Total Harmonic Distortion Pulse

Noise

VO = 1.6Vrms, RL = 10k

Ω

0.003

fin = 1kHz

PO = 7mW, RL = 16

Ω

PO = 7mW, RL = 32

Ω

VO = 0.23Vrms, RL = 300

Ω

Crosstalk

Channel Separation

VO = 0.23Vrms, RL = 10k

Ω

With A-weighting Filter

PO = 50mW, RL = 32

Ω

S/N

Signal-to-Noise Ratio

VO = 2.3Vrms, RL = 10k

Ω

100

VDD=1.8V, TA=25°

THD+N = 1%, fin=1kHz

RL = 32

Ω

THD+N = 10%, fin=1kHz

Output Power (Stereo, in Phase)

RL = 32

Ω

fin = 1kHz

PO = 9mW, RL = 32

Ω

0.03

VO = 0.85Vrms, RL = 300

Ω

0.007

THD+N

Total Harmonic Distortion Pulse

Noise

VO = 0.85Vrms, RL = 10k

Ω

0.005

Unless otherwise specified, these specifications apply over V

DD=PVDD=3.3V, VPGND=VGND=0V, and CCPO=CCPF=1µF.

Typical values are at T

A=25

oC.

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