APA2178 Ver la hoja de datos (PDF) - Anpec Electronics

Número de pieza

componentes Descripción

Fabricante

APA2178

100mW Stereo Cap-Free Headphone Driver

Anpec Electronics 

APA2178

Typical Operating Characteristics (Cont.)

THD+N vs. Output Voltage

10 VDD=1.8V

RL=10kΩ

Cin=1µF

1 BW<80kHz

0.1

0.01

0.001 0

fin=20kHz

fin=1kHz

fin=20Hz

300m 600m 0.9

1.2 1.5

Output Voltage (V)

Crosstalk vs. Frequency

+0

-10 VDD=1.8V

-20

RL=10kΩ

Cin=1µF

-30 VO=0.12Vrms

-40 BW<80kHz

-50

-60

-70

-80

-90

Left to Right

-100

-110

Right to Left

-120 20

100

1k

10k 20k

Frequency (Hz)

Frequency Response

+6

VDD=3.3V

+5

RL=32Ω

Cin=1µF

PO=10mW

+4 BW<80kHz

Gain

+3

+270

+250

+230

+210

+2

Phase

+190

+1

+170

+010

100

1k

10k

Frequency (Hz)

200k+150

THD+N vs. Frequency

10

VDD=1.8V

RL=10kΩ

Cin=1µF

1 VO=0.85Vrms

BW<22kHz

0.1

0.01

0.001 20

Left Channel

Right Channel

100

1k

Frequency (Hz)

10k 20k

Output Noise Voltage vs. Frequency

50µ

10µ

VDD=1.8V

RL=10kΩ

Cin=1µF

A-Weighting

1µ 20

100

1k

Frequency (Hz)

10k 20k

Frequency Response

+6

VDD=3.3V

+5

RL=10kΩ

Cin=1µF

VO=0.23Vrms

+4 BW<80kHz

Gain

+3

+2

Phase

+1

+270

+250

+230

+210

+190

+170

+0 10

100

1k

10k

Frequency (Hz)

200k +150

Copyright © ANPEC Electronics Corp.

15

Rev. A.3 - Jul., 2009

www.anpec.com.tw

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