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Número de pieza | BL6305SO | |
Descripción | 2.6 Watt Mono Filter-Free Class-D Audio Power Amplifier | |
Fabricantes | BELLING | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de BL6305SO (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
No Preview Available ! BL6305
2.6 Watt Mono Filter-Free Class-D Audio Power Amplifier
Features
Efficiency With an 8-Ω Speaker:
88% at 400 mW
80% at 100 mW
2.1mA Quiescent Current
0.4µA Shutdown Current
Optimized PWM Output Stage Eliminates LC Output Filter
Internally Generated 250-kHz Switching Frequency Eliminates Capacitor and Resistor
Improved PSRR (−75 dB) and Wide Supply Voltage (2.5 V to 5.5 V) Eliminates Need for a
Voltage Regulator
Fully Differential Design Reduces RF Rectification and Eliminates Bypass Capacitor
Improved CMRR Eliminates Two Input Coupling Capacitors
MSOP8, SOP8, DFN8 package
General Description
The BL6305 is a 2.6W high efficiency filter-free class-D audio power amplifier that requires
only three external components.
Features like 88% efficiency, −75dB PSRR, and improved RF-rectification immunity make
the BL6305 ideal for cellular handsets. In cellular handsets, the earpiece, speaker phone, and
melody ringer can each be driven by the BL6305.
Applications
Mobile phone、PDA
MP3/4、PMP
Portable electronic devices
Order Information
Part Number
BL6305MM
BL6305DN
BL6305SO
Pin Diagrams
Package
MSOP8
DFN8
SOP8
Shipping
3000 pcs / Tape & Reel
3000 pcs / Tape & Reel
2500 pcs / Tape & Reel
http://www.belling.com.cn
- Page 1 of 9 -
Ver1.2
1 page Total Harmonic
THD+N
Po=0.5Wrms, f=1kHz, RL = 8Ω
Distortion + Noise
KSVR
Vn
Supply ripple
VDD = 3.6V, input ac-grounded with CI = 2uF
rejection ratio
f=217Hz, V(Ripple)=200mVPP
VDD = 3.6V, input ac-grounded No weighting
Output voltage noise
with CI = 2uF, f=20~20kHz A weighting
Common Mode
CMRR
Rejection Ratio
VDD = 3.6V, VIC = 1 VPP, f=217Hz
BL6305
0.21 %
-67 dB
87
uVRMS
65
-70 dB
VDD = 2.5V, RI = 150kΩ, TA = 25 , unless otherwise specified.
Symbol Parameter
Conditions
PO Output Power
Total Harmonic
THD+N
Distortion + Noise
THD+N=10%, f=1KHz, RL = 4Ω
THD+N=1%, f=1KHz, RL = 4Ω
THD+N=10%, f=1KHz, RL = 8Ω
THD+N=1%, f=1KHz, RL = 8Ω
Po=0.2Wrms, f=1kHz, RL = 8Ω
Min.
Spec
Typ.
0.63
0.51
0.40
0.33
0.21
Units
Max.
W
%
Test Circuit
Ci Ri
Si nal input
from
measurement
2uF
Vin
Ci
150K
Ri
2uF 150K
Shutdown
si nal
IN+ VO+
BL6305
IN- VO-
SDB
VDD GND
C1
Power +
Supply -
2uF
RL 30
P
Output
VO to
measurement
Figure 5. BL6305 test set up circuit
http://www.belling.com.cn
- Page 5 of 9 -
Ver1.2
5 Page |
Páginas | Total 9 Páginas | |
PDF Descargar | [ Datasheet BL6305SO.PDF ] |
Número de pieza | Descripción | Fabricantes |
BL6305SO | 2.6 Watt Mono Filter-Free Class-D Audio Power Amplifier | BELLING |
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