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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： | 21/27頁 |
| 文件大小： | 945K |
| 代理商： | TPA2014D1RGPRG4 |
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PWM
and
Level
Shifter
H-Bridge
Internal
Oscillator
Biases, Control,
and
References
Regulator
V
max
Control
Gate
Control
Anti-
Ringing
PGND
AGND
BGControl
PGND
AGND
V
OUT
CC
Vref
AGND
IN+
IN–
SDb
V
DD
SW
V
OUT
CC
V
FB
CC
V
IN
CC
VOUT+
VOUT–
PGND
SDd
Res.
Array
GAIN
www.ti.com ............................................................................................................................................................... SLAS559A – MAY 2008 – REVISED JUNE 2008
Functional Block Diagram
Table 1. BOOST CONVERTER MODE CONDITION
CASE
OUTPUT CURRENT
MODE OF OPERATION
VDD < VCC
Low
Continuous (fixed frequency)
VDD < VCC
High
Continuous (fixed frequency)
VDD ≥ VCC
Low
Discontinuous (variable frequency)
VDD ≥ VCC
High
Discontinuous (variable frequency)
Table 2. DEVICE CONFIGURATION
Boost
Class D
SDb
SDd
Comments
Converter
Amplifier
low
OFF
Device is in shutdown mode Iq
≤ 1
A
Boost converter is off. Class-D Audio Power Amplifier (APA) can be driven by an
low
high
OFF
ON
external pass transistor connected to the battery.
high
low
ON
OFF
Class-D APA is off. Boost Converter is on and can be used to drive an external device.
Boost converter and Class-D APA are on. Normal operation. Boost converter can be
high
ON
used to drive an external device in parallel to the Class-D APA within the limits of the
boost converter output current.
Copyright 2008, Texas Instruments Incorporated
3
Product Folder Link(s): TPA2014D1
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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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