APA2178 Просмотр технического описания (PDF) - Anpec Electronics

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производитель

APA2178

100mW Stereo Cap-Free Headphone Driver

Anpec Electronics 

APA2178

Typical Operating Characteristics (Cont.)

Crosstalk vs. Frequency

+0

-10

-20

VDD=3.3V

RL=10kΩ

Cin=1µF

-30 VO=0.23Vrms

-40 BW<80kHz

-50

-60

-70

-80

-90

Left to Right

-100

-110

Right to Left

-120 20

100

1k

10k 20k

Frequency (Hz)

THD+N vs. Output Voltage

10

VDD=1.8V

fin=1kHz

Cin=1µF

1 BW<80kHz

RL=300Ω

0.1

RL=32Ω

0.01

0.001

0

400m 800m

RL=10kΩ

1.2

1.6

Output Voltage (V)

THD+N vs. Output Power

10

VDD=1.8V

fin=1kHz

RL=32Ω

Cin=1µF

1 BW<80kHz

Stereo, in

Phase

Stereo, 180o

out of Phase

0.1

Mono

0.010

6m 12m 18m 24m 30m 36m

Output Power (W)

Copyright © ANPEC Electronics Corp.

Rev. A.3 - Jul., 2009

Output Noise Voltage vs. Frequency

50µ

10µ

VDD=3.3V

RL=10kΩ

Cin=1µF

1µ A-Weighting

20

100

1k

Frequency (Hz)

10k 20k

THD+N vs. Output Power

10

VDD=1.8V

RL=32Ω

Cin=1µF

BW<80kHz

1

fin=20kHz

0.1

0.01

1m

fin=1kHz

fin=20Hz

10m

Output Power (W)

60m

THD+N vs. Frequency

10

VDD=1.8V

RL=32Ω

1

Cin=1µF

PO=9mW

BW<22kHz

0.1

0.01

Left Channel

Right Channel

0.001 20

100

1k

Frequency (Hz)

10k 20k

13

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