GMA7496L datasheet(7/11 Pages) GAMMA

Il numero della parte	GMA7496L

Spiegazioni elettronici	2W2W AMPLIFIER W/ DC VOLUME CONTROL

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Produttore elettronici	GAMMA [Gamma Microelectronics Inc.]

Homepage	http://www.gammamicro.com.tw/

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TYPICAL PERFORMANCE CHARACTERISTICS

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Supply Voltage (V)

Iq (mA)

Figure 1. Quiescent current vs. Supply voltage

10

9.5

9.0

8.5

8.0

7.5

7.0

6.5

6.0

5.5

5.0

4.5

4.0

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Supply Voltage (V)

Vodc (V)

Figure 2. Output DC Voltage vs. Supply Voltage

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280

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100

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Supply Voltage (V)

Vodc- Vsvr (V)

Figure 3. Output DC Offset vs. Supply Voltage

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

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Supply Voltage (V)

Figure 4. Output DC Voltage vs. Supply Voltage

Output Power (W)

V= 0

I

V= 0

I

V= 0

I

R= 8W

I

F= 1kHz

THD= 10%

THD= 1%

Figure 5. Output DC Offset vs. Supply Voltage

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0.2

0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

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1.0

0.1

0.01

Output Power (V)

Distortion (%)

V = 12V

S

R = 8W

I

F= 15kHz

F= 1kHz

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0.02

0.2

2.0

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Frequency (kHz)

Colosed Loop (dB)

Figure 6. Closed Loop gain vs. Frequency

R=

I

8W

Pout= 0.5W

Cin= 470nF

Cout= 1000µF

Csvr= 470µF

A

MICROELECTRONICS

GMA7496L

Audio Amp.

2W+2W AMPLIFIER W/ DC VOLUME CONTROL

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