LA4590W データシートの表示（PDF） - SANYO -> Panasonic

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LA4590W

1.5 V Stereo Headphone Preamplifier and Power Amplifier

SANYO -> Panasonic 

LA4590W

Pin Functions and Equivalent Circuits (VCC = 1.2 V)

Pin No.

Symbol

VDC (V)

Equivalent circuit

1

R.F OUT 1

1.13

45

R.F OUT 2

Unit (resistance: Ω, capacitance: F)

Pin function

• R.F OUT1 can be switched on/off: on when pin

43 is at ground.

2

POWER OUT1

7

POWER OUTC

0.6

13

POWER OUT2

3

POWER NF REF1

9

POWER NF REFC

0.75

12

POWER NF REF2

4

POWER NF1

8

POWER NFC

0.75

11

POWER NF2

5

POWER H.P1

0.75

10

POWER H.P2

• The output spans (pin 2 to pin 7, and pin 13 to

pin 7) are connected by 160 Ω resistors.

• Used as the power NF connections.

• Power NF pins

• Connected to Vref through a 1 kΩ resistor

when low boost is on, i.e., when pin 41 is

floating.

14

L.P2

0.75

• Low boost secondary low pass pin

Continued on next page.

No. 4468-5/19

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