LM4863L-N20-T datasheet(5/11 Pages) UTC

tên linh kiện	LM4863L-N20-T

Giải thích chi tiết về linh kiện	DUAL 2.2W AUDIO AMPLIFIER PLUS STEREO HEADPHONE FUNCTION

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LM4863

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 11

www.unisonic.com.tw

QW-R107-027.D

TYPICAL APPLICATION CIRCUIT

SLEEVE

AMP 1A

VDD

CS

0.1µF

TANT

RF

20KΩ

RI

20KΩ

Audio

Input

CI

1µF

-

+

20KΩ

-OUT A 5

3

+OUT A

RL

8Ω

CO

100µF

+

1kΩ

To HP-IN Circuit

50KΩ

VDD/2

-IN A

+IN A

Bypass

-IN B

+IN B

Shutdown

1

16

GND 2,7,15

100KΩ

20KΩ

RF

20KΩ

CI

1µF

Audio

Input

100kΩ

VDD

To Control Pin on

Headphone jack

20KΩ

-OUT B

+OUT B

12

14

RL

8Ω

+

1kΩ

CONTROL PIN

HEADPHONE JACK

TIP

10

11

9

8

6

4,13

AMP 1B

-

+

AMP 2A

-

+

AMP 2B

-

+

HP-IN

RING

CB

(CB size)

0.33µF

+

RI

CO

100µF

Note: Pin out shown for DIP-16. Refer to the PIN CONFIGURATION for the pin out of other packages.

Figure 1.Typical Audio Amplifier Application Circuit

EXTERNAL COMPONENTS DESCRIPTION

Components

Functional Description

RI

The inverting input resistance, along with RF, set the closed-loop gain. RI, along with CI form a high

pass filter with fc=1/(2πRICI)

CI

The input coupling capacitor blocks DC voltage at the amplifier’s input terminals. CI, along with RI,

create a high pass filter with fc=1/(2πRICI). Refer to the section. Selecting Proper External

Components, for an explanation of determine the value of CI.

RF

The feedback resistance, along with RI, set the closed-Ioop gain.

CS

The supply bypass capacitor. Refer to the Power Supply Bypassing section for information about

properly placing and selecting the value of, this capacitor.

CB

The capacitor, CB, filters the half-supply voltage present on the Bypass pin. Refer to the Selecting

Proper External Components section for information concerning proper placement and selecting

CB’S value.

Số phần tương tự - LM4863L-N20-T

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Unisonic Technologies	LM4863L-D16-T	445Kb / 12P	DUAL 2.2W AUDIO AMPLIFIER PLUS STEREO HEADPHONE FUNCTION

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Kingbor Technology Co	KB4863	600Kb / 19P	Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
National Semiconductor ...	LM4863	513Kb / 16P	Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
Unisonic Technologies	L4863	449Kb / 10P	DUAL 2.2W AUDIO AMPLIFIER PLUS STEREO HEADPHONE FUNCTION
Shenzhen Huazhimei Semi...	HM4863	1Mb / 21P	Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
National Semiconductor ...	LM4863	1Mb / 21P	Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
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	L4863	219Kb / 10P	DUAL 2.2W AUDIO AMPLIFIER PLUS STEREO HEADPHONE FUNCTION
	LM4863	413Kb / 12P	DUAL 2.2W AUDIO AMPLIFIER PLUS STEREO HEADPHONE FUNCTION
Texas Instruments	LM4863LQ	1Mb / 28P	[Old version datasheet] Dual 2.2W Audio Amplifier Plus Stereo Headphone Function

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