APA2058 Ver la hoja de datos (PDF) - Anpec Electronics

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APA2058

2.4W Stereo Fully Differential AudioPowerAmplifierWith Stereo Class AB Cap-free Headphone Driver and LDO

Anpec Electronics 

APA2058

Typical Operating Characteristics (Cont.)

(TA = +25°C, unless otherwise noted.)

Crosstalk vs. Frequency

+0TTTVTDTDTT=5.0V

-20

RL=8Ω

AV=10dB

Ci=0.47µF

-40 PO=130mW

AMP Mode

-60

-80

Right to Left

-100

Left to Right

-120

-140

20

100

1k

Frequency (Hz)

10k 20k

CMRR vs. Frequency

+0

VDD=5.0V

-10 RL=8Ω

-20

AV=10dB

Vin=0.2VPP

-30 Ci=0.47µF

Input Short

-40 AMP Mode

-50

-60

-70

-80

-90

-100

20

100

1k

Frequency (Hz)

Frequency Response

+11

+220

Frequency Response

+22

10k 20k

+220

Gain

+10

+200

+21

Gain

+200

+9

Phase

VDD=5.0V

+8 RL=8Ω

AV=10dB

Ci=0.47µF

AMP Mode

+7

10

100

1k

10k

Frequency (Hz)

+180

+160

+140

200k

Output Noise Voltage vs.

Frequency

50u

Right channel

Left channel

10u

VDD=5.0V

RL=8Ω

AV=10dB

Cin=0.47µF

A-Wighting

AMP Mode

1u

20

100

1k

Frequency (Hz)

10k 20k

Copyright © ANPEC Electronics Corp.

10

Rev. A.3 - Aug., 2008

+20

+19

+18

10

Phase

VDD=5.0V

RL=8Ω

AV=21.6dB

Ci=0.47µF

AMP Mode

100

1k

10k

Frequency (Hz)

+180

+160

+140

200k

Crosstalk vs. Frequency

+0

VDD=5.0V

-20

HVDD=3.3V

RL=4Ω(AMP)

RL=10kΩ(HP)

-40 PO=200mW(AMP)

AMP(active) mode

-60 HP mode

-80

Left(AMP) to Right(HP)

-100 Right(AMP) to Right(HP)

-120 Left(AMP) to Left(HP) Right(AMP) to Left(HP)

-140

20

100

1k

Frequency (Hz)

10k 20k

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