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PDF BL6332 Data sheet ( Hoja de datos )
| Número de pieza | BL6332 | |
| Descripción | 3W Anti-Clip Class-D Audio Power Amplifier | |
| Fabricantes | BELLING | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BL6332 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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BL6332
3W Anti-Clip Class-D Audio Power Amplifier
Features
Output Power
- 3.0W (VDD=5.0V, RL =4Ω, THD+N=10%)
- 1.8W (VDD=5.0V, RL =8Ω, THD+N=10%)
Low THD+N and Low Noise
High S/N Ratio to 95dB
Low EMI
Improved PSRR (−80dB) and Wide Supply
Voltage (2.5 V to 5.0V) Eliminates Need for a
Voltage Regulator
Over-current and Thermal Protection function
Pop noise reduction function
Available in space-saving package:
9-Bump WLCSP
General Description
BL6332 is a 3-W (VDD=5.0V, RL=4Ω) high efficiency
filter-free class-D audio power amplifier in a wafer
chip scale package (WLCSP).
BL6332 has a “Professional Anti-Clip output control
circuit” which reducing distortion of output signal due
to either the over level input signal or power supply
voltage down with battery.
Features like high efficiency, −80dB PSRR, over-
current protection and thermal protection function
make the BL6332 ideal for cellular handsets.
Typical Application Circuit
Applications
Mobile phone, PDA
MP3/4, PMP, GPS
Portable electronic devices
Pin Diagrams
Pin Description
PIN # Name
Description
A1 IN+ Positive differential input
A2 AGND Analog GND
A3 OUT- Negative output terminal
B1 AVDD Analog Power Supply
B2 PVDD Power Supply
B3 PGND Power Ground
C1 IN- Negative input terminal
C2 CTRL Mode select
C3 OUT+ Positive output terminal
http://www.belling.com.cn
-1-
Total 6 Pages
1 page  
1.8V~5.0V
CTRL1 Rctrl1
Micro
Computer
CTRL2 Rctrl2
Rctrl3
CTRL
Cctrl
0.1uF
CTRL1
H
H
GND
GND
BL6332
CTRL2
H
GND
H
GND
Function
Anti-Clip 1 mode
Anti-Clip 2 mode
Anti-Clip off mode
Power-down mode
“H” level indicates a microcomputer’s I/O port H level output voltage that is input to CTRL1 and CTRL2 terminals and
GND indicates GND of the microcomputer.
GND level of the microcomputer must be the same as that of BL6332.
The control of CTRL terminal is based on I/O port H level output voltage of microcomputer that is connected.
Set resistance constants according the I/O port H level output voltage of each microcomputer as shown below.
I/O port H level output voltage
of Microcomputer
Rctrl1
Rctrl2
Rctrl3
1.8V
27KΩ
43KΩ
82KΩ
2.6V
33KΩ
51KΩ
27KΩ
3.0V
33KΩ
51KΩ
22KΩ
3.3V
33KΩ
51KΩ
18KΩ
5.0V
56KΩ
82KΩ
15KΩ
Functions of CTRL pin are designed with their control by two control pins (CTRL1 and CTRL2)
Only a Switching control between Anti-Clip1 mode and Power-down is available when a single control terminal used.
A setting voltage should be set according to VMOD1 and VMOD4, and use a RC filter with time constant of 1msec or
more in order to eliminate noise at transmission side such as Micon etc. (Example. Rctrl1=10KΩ and Cctrl=0.1µF).
CTRL1
H
GND
Function
Anti-Clip 1 mode
Power-down mode
POP and Click Circuitry
The BL6332 contains circuitry to minimize click and pops. For the best power-off pop performance, the amplifier
should be set in shutdown mode prior to removing the power supply voltage.
http://www.belling.com.cn
-5-
Total 6 Pages
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet BL6332.PDF ] | |
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