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參數(shù)資料
| 型號： | CS3511-CNZR |
| 廠商： | CIRRUS LOGIC INC |
| 元件分類： | 音頻／視頻放大 |
| 中文描述： | 11.4 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32 |
| 封裝： | 6 X 6 MM, LEAD FREE, MO-220, QFN-32 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大小： | 260K |
| 代理商： | CS3511-CNZR |
Copyright
Cirrus Logic, Inc. 2009
(All Rights Reserved)
Stereo 10 W High-efficiency Class-D Audio Power Amplifier
Features
Closed-loop Advanced
ΔΣ Architecture
True Spread Spectrum Modulation
Premium Quality Audio Amplification
–
99 dB Dynamic Range - System Level
–
0.025% THD+N @ 5 W - System Level
–
-104 dB Channel Separation
Four Selectable Amplifier Gain Settings
Integrated Protection and Automatic Recovery
for Over-current, Under-voltage, and Thermal
Overload
Single-supply Operation (Typ. = 9-12 V)
No Bootstrap Capacitors Required
Low-power Standby Mode
Supports Differential or Single-ended Inputs
Thermally Enhanced 32-pin, 6 x 6 mm QFN
Package Requires No External Heat Sink
Common Applications
Active Speakers
Portable Media Player Docking Stations
Mini/Micro Shelf Systems
Digital Televisions
General Description
The CS3511 is a high-efficiency class-D PWM amplifier
that integrates on-chip over-current, under-voltage,
over-temperature protection, and error reporting. An on-
board regulator generates a 5 VDC supply used
to power the internal low-voltage analog and digital cir-
cuitry. The low RDS(ON) outputs can source peak cur-
rents up to 2.7 A, deliver high efficiency, allow a small
device package, and lower power supply voltage levels.
The CS3511 is available in a 32-pin QFN package in
Commercial grade (-10°C to +70°C). The CRD3511
customer reference design is also available. Please re-
fer to “Ordering Information” on page 25 for complete
ordering information.
GAIN0
GAIN1
MUTE
STATUS
Gain
Control
SLEEP
Positive Input
Negative Input
Positive Input
Negative Input
Channel 2
Channel 1
PGND
Charge Pump
5 V
Regulator
Digital Power
Analog Power
Gate
Drive
Gate
Drive
Processing
and
Modulation
Channel 2
Positive Output
Negative Output
Channel 1
Positive Output
Negative Output
VP
12 V
Processing
and
Modulation
CS3511
DEC ‘09
DS845F1
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