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參數資料
| 型號： | TPA2014D1RGPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PQCC20 |
| 封裝： | 4 X 4 MM, GREEN, PLASTIC, QFN-20 |
| 文件頁數： | 1/27頁 |
| 文件大小： | 945K |
| 代理商： | TPA2014D1RGPRG4 |
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1
FEATURES
DESCRIPTION
APPLICATIONS
V
DD
SW
IN–
IN+
AGND
PGND
VOUT+
VOUT–
V
OUT
CC
V
IN
CC
10 F
m
22 F
m
1 F
m
ToBattery
Differential
Input
C
IN
C
IN
V
FB
CC
SDb
SDd
ShutDownBoost
ShutDownClassD
GAIN
Gain(V
/Float/GND)
CC
2.2to6.2 H
m
GPIO
1 F
m
R1
50k
R2
453k
TPA2014D1
www.ti.com ............................................................................................................................................................... SLAS559A – MAY 2008 – REVISED JUNE 2008
1.5-W CONSTANT OUTPUT POWER CLASS-D AUDIO AMPLIFIER WITH INTEGRATED
BOOST CONVERTER
High Efficiency Integrated Boost Converter
(Over 90% Efficiency)
The TPA2014D1 is a high efficiency Class-D audio
power amplifier with an integrated boost converter. It
1.5-W into an 8- Load from a 3.6-V Supply
drives up to 1.5 W (10% THD+N) into a 8
speaker
Operates from 2.5 V to 5.5 V
from a 3.6 V supply. With 85% typical efficiency, the
Efficient Class-D Prolongs Battery Life
TPA2014D1 helps extend battery life when playing
Independent Shutdown for Boost Converter
audio.
and Class-D Amplifier
The built-in boost converter generates a higher
Differential Inputs Reduce RF Common Noise
voltage rail for the Class-D amplifier. This provides a
louder audio output than a stand-alone amplifier
Built-in INPUT Low Pass Filter Decreases RF
connected directly to the battery. It also maintains a
and Out of Band Noise Sensitivity
consistent loudness, regardless of battery voltage.
Synchronized Boost and Class-D Eliminates
Additionally, the boost converter can be used to
Beat Frequencies
supply external devices.
Thermal and Short-Circuit Protection
The TPA2014D1 has an integrated low pass filter to
Available in 16-ball WCSP and 20-Lead QFN
improve RF rejection and reduce out-of-band noise,
Packages
increasing the signal to noise ratio (SNR). A built-in
PLL synchronizes the boost converter and Class-D
3 Selectable Gain Settings of 2 V/V, 6 V/V, and
switching
frequencies,
thus
eliminating
beat
10 V/V
frequencies and improving audio quality. All outputs
are fully protected against shorts to ground, power
supply, and output-to-output shorts.
Cell Phones
PDA
GPS
Portable Electronics
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright 2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA2014D1RGPT | 功能描述:音頻放大器 1.5W Constant Out Pwr Class-D Aud Amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2014D1RGPTG4 | 功能描述:音頻放大器 1.5W Constant Output Pwr Class-D Aud Amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2014D1YZHR | 功能描述:音頻放大器 1.5W Constant Output Pwr Class-D Aud Amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2014D1YZHT | 功能描述:音頻放大器 1.5W Constant Output Pwr Class-D Aud Amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2015D1 | 制造商:TI 功能描述:2 W Constant Output Power Class-D Audio Amplifier With Adaptive Boost Converter and Battery Tracking SpeakerGuard? AGC |
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