파트넘버.co.kr BL4863 데이터시트 PDF


BL4863 반도체 회로 부품 판매점

Dual 2.2W Audio Amplifier Plus Stereo Headphone Function



BELLING 로고
BELLING
BL4863 데이터시트, 핀배열, 회로
BL4863
Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
Features
Stereo headphone amplifier mode
Unity-gain stable
Power output at 5.0V, 1% THD+N, 3
2.50 W (typ.)
Power output at 5.0V, 1% THD+N, 4
2.20 W (typ.)
Power output at 5.0V, 1% THD+N, 8
1.25 W (typ.)
Single-ended mode TND+N at 75mW into 32 load 0.5% (max)
Ultra-low shutdown current
0.1 uA (typ.)
2.0V 5.5V power operation range
Improved circuitry eliminates pop-click noise during turn-on and turn-off transitions
Thermal shutdown protection circuitry
External gain configuration capability
Exposed-DAP TSSOP20 package , DIP16 package SOP16 package
General Description
The BL4863 is a dual BTL connected Class-AB audio power amplifier designed for multimedia
monitors and other portable applications. It is capable of delivering 2.5 watts of continuous
average power to a 3BTL load or 2.2 watts to a 4BTL load with less than 1% distortion
(THD+N) from a 5VDC power supply. In addition, the HP-IN input pin allows the BL4863 to
operate in single-ended mode and drive stereo headphones.
The BL4863 was designed specifically to provide high quality output power with a minimal
amount of external components. With dual bridge speaker amplifiers and stereo headphone
amplifiers on one chip, it simplifies audio system design.
The BL4863 features an externally controlled shutdown mode, a stereo headphone driver mode,
and thermal shutdown protection. With special pop-click eliminating circuit, the BL4863
provides perfect pop-click characteristic during turn-on and turn-off transitions.
The BL4863 is unity-gain stable and can be configured by external gain-setting resistors.
Applications
Multimedia monitors
Portable and desktop computers
Portable televisions
http://www.belling.com.cn
-1-
Total 11 Pages


BL4863 데이터시트, 핀배열, 회로
Pin Diagrams
1
SHUTDOWN
GND 2
3
+OUTA
4
VDD
5
-OUTA
-INA 6
7
GND
8
+INA
9
GND
10
GND
20
HP-IN
19 GND
18
+OUTB
17
VDD
16
-OUTB
15 -INB
14
BYPASS
13
+INB
12
GND
11
GND
Exposed-DAP TSSOP20
BL4863
DIP16/SOP16
Pin Description
No.
1
2,7,10,11,19
3
4,17
5
6
8
9,12
13
Pin Name
SHD
GND
+OUTA
VDD1
-OUTA
-INA
+INA
NC
+INB
14 BP
15 -INB
16 -OUTB
18 +OUTB
20 HP-IN
I/O
I
I/O
O
I/O
O
I
I
/
I
I/O
I
O
O
I
Description
Shout-down Logical Control, ‘1’ is active.
Ground
Positive Output (Channel A)
Power
Negative Output (Channel A)
Negative Signal Input (Channel A)
Positive Signal Input (Channel A)
Not Connected
Positive Signal Input (Channel B)
Internal DC reference, Connected with Bypass
Capacitor.
Negative Signal Input (Channel B)
Negative Output (Channel B)
Positive Output (Channel B)
HP-IN Function Control, ‘1’ is active.
Order Information
Part Number
BL4863TS
BL4863PD
BL4863SO
http://www.belling.com.cn
Package
TSSOP20
DIP16
SOP16
-2-
Shipping
4000 pcs / Tape & Reel
Tube
Tube
Total 11 Pages




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BL4863 amplifier

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