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參數資料
| 型號： | TPA2031D1YZF |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| 封裝： | 1.45 X1.45 MM, LEAD FREE, WCSP-9 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 754K |
| 代理商： | TPA2031D1YZF |
1
FEATURES
APPLICATIONS
DESCRIPTION
APPLICATION CIRCUIT
_
+
IN-
IN+
PWM
H-
Bridge
VO+
VO-
Internal
Oscillator
CS
ToBattery
VDD
GND
Bias
Circuitry
RI
+
-
Differential
Input
TPA2031D1
SHUTDOWN
A1
A2
A3
B1
B2
B3
C1
C2
C3
IN+
GND
VO-
VDD
PVDD
GND
IN-
SHUTDOWN VO+
1,55mm
9-BALL
WAFERCHIPSCALE
YZF PACKAGE
TPA2031D1DIMENSIONS
(TOPVIEWOFPCB)
Note:PinA1ismarkedwitha “0” for
Pb-free(YZF).
1,40mm
1,55mm
1,40mm
www.ti.com........................................................................................................................................................................................................ SLOS546 – MAY 2008
2.5-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
Ideal for Wireless or Cellular Handsets and
2
Pin-to-Pin Compatibility with TPA2010D1
PDAs
32 ms Start-up Time Eliminates CODEC
Click/Pop noise
Maximum Battery Life and Minimum Heat
The TPA2031D1 is a 2.5-W high efficiency filter-free
–
Efficiency With an 8-
Speaker:
class-D audio power amplifier in a 1,45 mm × 1,45
–
88% at 400 mW
mm wafer chip scale package (WCSP) that requires
–
2.8-mA Quiescent Current
only three external components.
–
0.5-
A Shutdown Current
Features
like
88%
efficiency,
–75-dB
PSRR,
improved RF-rectification immunity, and 8 mm2 total
Only Three External Components
PCB area make the TPA2031D1 class-D amp ideal
–
Optimized PWM Output Stage Eliminates
for cellular handsets. 32 ms start-up time allows the
LC Output Filter
TPA2031D1
to
share
the
same
GPIO
–
Improved PSRR (–75 dB) and Wide Supply
enable/shutdown control as the CODEC without
Voltage (2.5 V to 5.5 V) Eliminates Need for
passing through the CODEC turn-on pop.
a Voltage Regulator
In cellular handsets, the earpiece, speaker phone,
–
Fully Differential Design Reduces RF
and melody ringer can each be driven by the
Rectification and Eliminates Bypass
TPA2031D1. The TPA2031D1 allows independent
Capacitor
gain while summing signals from separate sources,
and has a low 36
V noise floor, A-weighted.
–
Improved CMRR Eliminates Two Input
Coupling Capacitors
Wafer Chip Scale Packaging (WCSP)
–
NanoFree (YZF)
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
NanoFree is a trademark of Texas Instruments.
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 |
|---|---|
| TPA2031D1YZFR | 功能描述:音頻放大器 2.5W Mono Class-D Aud Pwr 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 |
| TPA2031D1YZFT | 功能描述:音頻放大器 2.5W Mono Class-D Aud Pwr 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 |
| TPA2032D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.75-W FIXED GAIN MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER |
| TPA2032D1YZF | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.75-W FIXED GAIN MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER |
| TPA2032D1YZFR | 功能描述:音頻放大器 2.75W Mon Fully Diff 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 |
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