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參數資料
| 型號： | TPA6135A2RTER |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.025 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC16 |
| 封裝： | 3 X 3 MM, PLASTIC, QFN-16 |
| 文件頁數： | 1/23頁 |
| 文件大小： | 948K |
| 代理商： | TPA6135A2RTER |
1
FEATURES
DESCRIPTION
APPLICATIONS
INR+
INR-
INL+
INL-
PGND
SGND
OUTR
HPVSS
CPP
CPN
VDD
HPVDD
OUTL
TPA6135A2
VBAT
CODEC
OUTR+
OUTR-
OUTL+
OUTL-
GAIN
ENABLE
EN
HI-Z
HI-ZMODE
GAIN
www.ti.com .................................................................................................................................................. SLOS623A – FEBRUARY 2009 – REVISED APRIL 2009
DIRECTPATH Stereo Headphone Amplifier
With Differential Input and HI-Z Mode
23
Patented DirectPath Technology Eliminates
Need for DC-Blocking Capacitors
The TPA6135A2 (sometimes referred to as TPA6135)
is a DirectPath stereo headphone amplifier that
–
Outputs Biased at 0 V
eliminates the need for external dc-blocking output
–
Excellent Low Frequency Fidelity
capacitors. Differential stereo inputs and built-in
Active Click and Pop Suppression
resistors set the device gain, further reducing external
HI-Z Output Mode
component count. Gain is selectable at 0 dB or 6 dB.
The amplifier drives 25 mW into 16
speakers from
2.1 mA Typical Supply Current
a single 2.3 V supply. The TPA6135A2 (TPA6135)
Fully Differential or Single-Ended Inputs
provides
a
constant
maximum
output
power
–
Built-In Resistors Reduces Component
independent of the supply voltage, thus facilitating the
design for prevention of acoustic shock.
Count
–
Improves System Noise Performance
The TPA6135A2 (TPA6135) features HI-Z mode
which can set the outputs to a high impedance
Constant Maximum Output Power from 2.3 V
configuration. The fully differential inputs reduce
to 5.5 V Supply
system noise pickup between the audio source and
–
Simplifies Design to Prevent Acoustic
the headphone amplifier. The high power supply
Shock
noise
rejection
performance
and
differential
Improved RF Noise Immunity
architecture provide increased RF noise immunity.
For single-ended input signals, connect INL+ and
MicrosoftTM Windows VistaTM Compliant
INR+ to ground.
High Power Supply Noise Rejection
The device has built-in pop suppression circuitry to
–
100 dB PSRR at 217 Hz
completely eliminate disturbing pop noise during
–
90 dB PSRR at 10 kHz
turn-on and turn-off. The amplifier outputs have
Wide Power Supply Range: 2.3 V to 5.5 V
short-circuit and thermal-overload protection along
with ±8 kV HBM ESD protection, simplifying end
Gain Settings: 0 dB and 6 dB
equipment compliance to the IEC 61000-4-2 ESD
Short-Circuit and Thermal-Overload Protection
standard.
±8 kV HBM ESD Protected Outputs
The TPA6135A2 (TPA6135) operates from a single
Small Package Available
2.3 V to 5.5 V supply with 2.1 mA of typical supply
–
16-Pin, 3 mm × 3 mm Thin QFN
current. Shutdown mode reduces supply current to
less than 1
A.
Smart Phones / Cellular Phones
Notebook Computers
CD / MP3 Players
Portable Gaming
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.
2
DirectPath is a trademark of Texas Instruments.
3
Windows Vista is a trademark of Microsoft Corporation.
PRODUCTION DATA information is current as of publication date.
Copyright 2009, 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 |
|---|---|
| TPA6135A2RTET | 功能描述:音頻放大器 25mW DirectPath St Headphone 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 |
| TPA6135A2RTET | 制造商:Texas Instruments 功能描述:Audio Power Amplifiers TI |
| TPA6136A2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:25-mW DIRECTPATH STEREO HEADPHONE AMPLIFIER WITH POP SUPPRESSION |
| TPA6136A2YFFEVM | 功能描述:音頻 IC 開發工具 TPA6136A2YFF Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA6136A2YFFR | 功能描述:音頻放大器 25mW DirectPath St Headphone 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 |
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