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參數(shù)資料
| 型號： | TPA6132A2RTET |
| 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, GREEN, PLASTIC, QFN-16 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 1166K |
| 代理商： | TPA6132A2RTET |
1
FEATURES
DESCRIPTION
APPLICATIONS
INR+
INR-
INL+
INL-
PGND
SGND
OUTR
HPVSS
CPP
CPN
VDD
HPVDD
OUTL
TPA6132A2
VBAT
CODEC
OUTR+
OUTR-
OUTL+
OUTL-
G0
ENABLE
EN
G1
GAIN1
GAIN0
www.ti.com ........................................................................................................................................................................................... SLOS597 – DECEMBER 2008
25-mW DIRECTPATH STEREO HEADPHONE AMPLIFIER WITH POP SUPPRESSION
23
Patented DirectPath Technology Eliminates
Need for DC-Blocking Capacitors
The TPA6132A2 (sometimes referred to as TPA6132)
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
2.1 mA Typical Supply Current
component count. Gain is selectable at –6 dB, 0 dB,
3 dB or 6 dB. The amplifier drives 25 mW into 16
Fully Differential or Single-Ended Inputs
speakers from a single 2.3 V supply. The TPA6132A2
–
Built-In Resistors Reduces Component
(TPA6132) provides a constant maximum output
Count
power independent of the supply voltage, thus
facilitating the design for prevention of acoustic
–
Improves System Noise Performance
shock.
Constant Maximum Output Power from 2.3 V
to 5.5 V Supply
The TPA6132A2 (TPA6132) features fully differential
inputs to reduce system noise pickup between the
–
Simplifies Design to Prevent Acoustic
audio source and the headphone amplifier. The high
Shock
power
supply
noise
rejection
performance
and
Improved RF Noise Immunity
differential architecture provides increased RF noise
MicrosoftTM Windows VistaTM Compliant
immunity. For single-ended input signals, connect
INL+ and INR+ to ground.
High Power Supply Noise Rejection
–
100 dB PSRR at 217 Hz
The device has built-in pop suppression circuitry to
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
Gain Settings: –6 dB, 0 dB, 3 dB, and 6 dB
with ±8 kV HBM ESD protection, simplifying end
equipment compliance to the IEC 61000-4-2 ESD
Short-Circuit and Thermal-Overload Protection
standard.
±8 kV HBM ESD Protected Outputs
The TPA6132A2 (TPA6132) 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 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(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA6132A2RTET | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC 制造商:Texas Instruments 功能描述:IC, AUDIO PWR AMP, CLASS AB, 25mW QFN-16 |
| TPA6133A2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:138-mW DIRECTPATH STEREO HEADPHONE AMPLIFIER |
| TPA6133A2EVM | 制造商:Texas Instruments 功能描述:TPA6133A2EVM - Boxed Product (Development Kits) 制造商:Texas Instruments 功能描述:EVAL BOARD FOR TPA6133A2 |
| TPA6133A2RTJR | 制造商:Texas Instruments 功能描述:IC AMP AUDIO .138W STER AB 20WQF 制造商:Texas Instruments 功能描述:TPA6133A2RTJR |
| TPA6133A2RTJT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:138-mW DIRECTPATH STEREO HEADPHONE AMPLIFIER |
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