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BL6203 데이터시트 PDF




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부품번호 BL6203 기능
기능 1.25 Watt Fully Differential Audio Power Amplifier
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BL6203 데이터시트, 핀배열, 회로
BL6203
1.25 Watt Fully Differential Audio Power Amplifier
1 FEATURES
z Fully differential amplifier
z Improved PSRR at 217Hz (VDD>3.0V)
90dB (typ)
z Power output at 5.0V & 1% THD
1.25W (typ)
z Power output at 3.6V & 1% THD
0.6W (typ)
z Ultra low shutdown current
0.01µA (typ)
z Improved pop & click circuitry eliminates noises during turn-on and turn-off transitions
z Thermal overload protection circuitry
z No output coupling capacitors, bootstrap capacitors required
z Unity-gain stable
z External gain configuration capability
z Available in space-saving package: 8-bump micro SMD
2 GENERAL DESCRIPTION
The BL6203 is a fully differential audio power amplifier designed for portable communication device
applications. It is capable of delivering 1.25 watt of continuous average power to an 8BTL load with
less than 1% distortion (THD+N) from a 5V battery voltage. It operates from 2.2 to 5.5V.
Features like 90dB PSRR at 217Hz, improved RF-rectification immunity, the space-saving 8-bump micro
SMD package, the advanced pop & click circuitry, a minimal count of external components and
low-power shutdown mode make BL6203 ideal for wireless handsets.
The BL6203 is unity-gain stable, and the gain can be configured by external resistors.
3 APPLICATIONS
z Wireless handsets
z Portable audio devices
z PDAs, Handheld computers
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BL6203 pdf, 반도체, 판매, 대치품
ESD Protection (MM, 200pF, no resistor) ................………………........200V
Junction temperature, TJ……………………………………....-40to 150
Thermal Resistance θJA (micro SMD)…………………………… ..220/W
Thermal Resistance θJC (MSOP)………………………………… …56/W
Thermal Resistance θJA (MSOP)………………………………… ..190/W
Lead Temperature (Soldering, 10 sec)…………………………………. 300
BL6203
Note1: stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device.
These are stress ratings only, and functional operation of the device at these or any other conditions beyond those
indicated under “recommended operating conditions” is not implied. Exposure to absolute maximum rated conditions
for extended periods may affect device reliability.
Note2: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and
the ambient temperature TA. The maximum allowable power dissipation is PDMAX=(TJMAX-TA)/θJA or the number
given in Absolute Maximum Ratings, whichever is lower.
7.2 Operation Conditions
Table 3. Operation Conditions
Parameter
Power Supply Voltage
Operating Temperature Range
Symbol
VDD
TA
Min
2.2
-40
Typ
Max Unit
5.5 V
85
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BL6203 전자부품, 판매, 대치품
8 TYPICAL CHARACTERISTICS
Output Power vs Supply Voltage
RL=8Ω
2.0
1.8
1.6
1.4
1.2
1.0
800m
THD+N=10%
THD+N=1%
600m
400m
200m
0
2.2 2.5 3 3.5 4 4.5 5 5.5
Supply Voltage(V)
Power Dissipation vs Output Power
0.35
0.3
0.25
0.2
0.15
0.1
0.05
0
0
VDD=3.6V
f=1KHz
THD+N ≤1%
RL=8Ω
0.2 0.4 0.6
Output Power(W)
0.8
BL6203
Power Dissipation vs Output Power
0.7
0.6
0.5
0.4
0.3
VDD=5V
0.2 f=1KHz
THD+N ≤1%
0.1 RL=8Ω
0
0 0.2 0.4 0.6 0.8 1.0 1.2
Output Power(W)
Power Derating Curve
0.7
0.6
0.5
0.4
0.3
0.2
Micro SMD
0.1
0
0 20 40 60 80 100 120 140 160
Ambient Temperature ()
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관련 데이터시트

부품번호상세설명 및 기능제조사
BL6203

1.25 Watt Fully Differential Audio Power Amplifier

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