LAG673F 查看數據表（PDF） - Mitsumi

零件编号

产品描述 (功能)

比赛名单

LAG673F

IC for Headphone Stereos

Mitsumi 

MITSUMI

Characteristics

Preamp

THD-VOUT

VCC=1.8V

VCC=2.0V

VCC=3.0V

10.0

1.0

0.1

0.01

-30 -20 -10 0

Output voltage (dBm)

POUT.

ICC-VCC

IOC (RL=16Ω)

20

70

60

50

RL=16Ω

15

RL=32Ω

40

10

30

20

5

10

0 1.0 2.0 3.0 4.0 5.0

Power supply voltage (V)

Power amp

Ripple rejection rate-VCC

PREAMP OFF

-10

VR=max.

-20

-30

FR=100Hz

VR=100mVrms

-40

RL=16Ω

-50

0 1.0 2.0 3.0 4.0 5.0

Power supply voltage (dB)

Voltage gain vs. Frequency

100

80

VCC=3.0V

70

When VR=max.

60

TOTAL GAIN

50

40

30

20

POWER AMP GAIN

10

10

100

1k

10k 100k

Frequency (Hz)

IC for Headphone Stereos LAG673

Attenuator

0

-20

-40

-60

-80

VATT-VCONT

VCC=3.0V

0/6 1/6 2/6 3/6 4/6 5/6 6/6

(min.)

(max.)

Voltage controllability

(B curve mechanical volume knob)

Power amp

100

10

THD-POUT

VCC=1.8V

VCC=2.0V

VCC=3.0V

1

0.1

0.1

1

10

100

Power supply output (mW)

Power amp

Crosstalk frequency

-10

-20

-30

-40

-50

100

VCC=3.0V

1k

10k 100k

Frequency (Hz)

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