LA4581 查看數據表（PDF） - SANYO -> Panasonic

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LA4581

Preamplifier + Power Amplifier for 3V Headphone Stereos

SANYO -> Panasonic 

LA4581MB

Continued from preceding page.

Parameter

[Preamplifier]

Voltage gain (Open)

Voltage gain (Closed)

Maximum output voltage

Total harmonic distortion

Equivalent input noise voltage

Crosstalk

Ripple rejection ratio

[Power Amplifer]

Output voltage

Voltage gain (Closed)

Total harmonic distortion

Interchannel crosstalk

Output noise voltage

Ripple rejection ratio

Input resistance

DC offset voltage

Symbol

VGo

VG1

VOmax

THD1

VN1

CT1

Rr1

PO

VG2

THD2

CTT

VNO

Rr2

RIN

VODCoff

Output

VO = –5 dBm

VO = –5 dBm

THD = 1 %, VCC = 1.8 V

VO = 0.2 V, VG = 40 dB/NAB

Rg = 2.2 kΩ, B.P.F = 20 to 20 kHz

Rg = 2.2 kΩ, TUNE 1 kHz

Rg = 2.2 kΩ, VCC = 1.8 V, Vr = –20 dBm,

f = 100 Hz

THD = 10%

VO = –5 dBm

PO = 1 mW

VO = –5 dBm, Rv = 0 Ω

Rg = 0, B.P.F = 20 to 20 kHz

Rg = 0, Vr = –20 dB, f = 100 Hz, VCC = 1.8 V

Between 13-14 and 15

min typ max Unit

70

80

dB

40

dB

0.1 0.2

V

0.05 0.5 %

1.3 2.0 µV

60

80

dB

40

50

dB

23

32

mW

25

28 31 dB

0.4 1.0 %

30

40

dB

24 40 µV

45

60

dB

22

30 38 kΩ

–90

+90 mV

Note) Power amplifier voltage gain VG2 increases by about 1 dB for min/max respectively than specified above when RL = 32 Ω.

Block Diagram

Test Circuit

1.8 to 3.0 V

Unit (resistance: Ω, capacitance: F)

No.3535-2/8

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