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BL6305MM 데이터시트 PDF




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부품번호 BL6305MM 기능
기능 2.6 Watt Mono Filter-Free Class-D Audio Power Amplifier
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BL6305MM 데이터시트, 핀배열, 회로
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 phonePDA
MP3/4PMP
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




BL6305MM pdf, 반도체, 판매, 대치품
Electrical Characteristics
The following specifications apply for the circuit shown in Figure 5.
TA = 25 , unless otherwise specified.
Symbol
Parameter
Conditions
ISD Shutdown Current
IQ Quiescent Current
VOS Output Offset Voltage
PSRR Power Supply Rejection Ratio
CMRR Common Mode Rejection Ratio
FSW Modulation frequency
VIN=0V, VSDB=0V, No Load
VDD = 2.5V, VIN = 0V, No Load
VDD = 3.6V, VIN = 0V, No Load
VDD = 5.5V, VIN = 0V, No Load
VIN = 0V, AV = 2V/V,
VDD = 2.5V to 5.5V
VDD = 2.5V to 5.5V
VDD = 2.5V to 5.5V,
VIC = VDD/2 to 0.5V,
VIC = VDD/2 to VDD - 0.8V
VDD = 2.5V to 5.5V
AV Voltage gain
VDD = 2.5V to 5.5V
RSDB
ZI
TWU
rDS(on)
Resistance from SDB to GND
Input impedance
Wake-up time from shutdown VDD = 3.6V
VDD = 2.5V
Drain-Source resistance (on-state) VDD = 3.6V
VDD = 5.5V
Min.
200
320k
RI
160
BL6305
Spec
Typ.
0.4
1.8
2.1
2.5
Units
Max.
2 uA
3.2
mA
4.5
2 25 mV
-75 dB
-68 dB
250
340k
RI
300
170
1
700
500
400
300
360k
RI
180
kHz
V/V
kΩ
kΩ
mS
mΩ
Operating Characteristics
VDD = 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=1.0Wrms, f=1kHz, RL = 8Ω
SNR Signal-to-Noise ratio VDD=5V, Po=1.0Wrms, RL = 8Ω
Min.
Spec
Typ.
2.65
2.15
1.65
1.33
Units
Max.
W
0.21 %
95 dB
VDD = 3.6V, RI = 150kΩ, TA = 25 , unless otherwise specified.
Symbol Parameter
Conditions
PO Output Power
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
http://www.belling.com.cn
- Page 4 of 9 -
Min.
Spec
Typ.
1.35
1.08
0.85
0.69
Units
Max.
W
Ver1.2

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BL6305MM 전자부품, 판매, 대치품
BL6305
fC
=
2π
1
RI
CI
(Hz )
Eq2
Decoupling Capacitor (CS)
A good low equivalent-series-resistance (ESR) ceramic capacitor (CS), used as power supply
decoupling capacitor (CS), is required for high power supply rejection (PSRR), high efficiency and
low total harmonic distortion (THD). Typically CS is 2µF, placed as close as possible to the device
VDD pin.
Package Dimensions
DFN8
SYMBOL
A
A1
b
c
D
D2
e
Nd
E
E2
L
h
MILLIMETER
MIN NOM MAX
0.70 0.75 0.80
- 0.02 0.05
0.25 0.30 0.35
0.18 0.20 0.25
2.90 3.00 3.10
2.50REF
0.65BSC
1.95BSC
2.90 3.00 3.10
1.55REF
0.30 0.40 0.50
0.20 0.25 0.30
http://www.belling.com.cn
- Page 7 of 9 -
Ver1.2

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관련 데이터시트

부품번호상세설명 및 기능제조사
BL6305MM

2.6 Watt Mono Filter-Free Class-D Audio Power Amplifier

BELLING
BELLING

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