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參數資料
| 型號： | TPA2014D1RGPTG4 |
| 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： | 23/27頁 |
| 文件大小： | 945K |
| 代理商： | TPA2014D1RGPTG4 |
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DC CHARACTERISTICS
www.ti.com ............................................................................................................................................................... SLAS559A – MAY 2008 – REVISED JUNE 2008
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Class-D audio power amplifier
VCC
3
5.5
V
voltage supply range, VCCIN
SDd = SDb = 0 V, VDD = 2.5 V, RL = 8
0.04
1.5
SDd = SDb = 0 V, VDD = 3.6 V, RL = 8
0.04
1.5
SDd = SDb = 0 V, VDD = 4.5 V, RL = 8
0.02
1.5
ISD
Shutdown quiescent current
A
SDd = SDb = 0.35 V, VDD = 2.5 V, RL = 8
0.03
1.5
SDd = SDb = 0.35 V, VDD = 3.6 V, RL = 8
0.03
1.5
SDd = SDb = 0.35 V, VDD = 4.5 V, RL = 8
0.02
1.5
Boost converter quiescent
SDd = 0 V, SDb = 1.3 V, VDD = 3.6 V, VCC = 5.5 V,
IDD
1.3
mA
current
No Load, No Filter
VDD = 3.6, Vcc = 5.5 V, No Load, No Filter
4.3
6
Class D amplifier quiescent
ICC
mA
current
VDD = 4.5, Vcc = 5.5 V, No Load, No Filter
3.6
6
SDd = SDb = 1.3V, VDD = 3.6, Vcc = 5.5 V,
16.5
23
Boost converter and audio
No Load, No Filter
IDD
power amplifier quiescent
mA
SDd = SDb = 1.3V, VDD = 4.5, Vcc = 5.5 V,
current, Class D(1)
11
18.5
No Load, No Filter
Boost converter switching
500
600
700
kHz
frequency
f
Class D switching frequency
250
300
350
kHz
UVLO
Under voltage lockout
1.7
V
Gain input low level
Gain = 2 V/V (6dB)
0
0.35
V
GAIN
Gain input mid level
Gain = 6 V/V (15.5 dB) (floating input)
0.7
0.8
1
V
Gain input high level
Gain = 10 V/V (20 dB)
1.35
V
Class D Power on reset ON
PORD
2.8
V
threshold
(1)
IDD is calculated using IDD = (ICC× VCC)/(VDD×η), where ICC is the class D amplifier quiescent current; η = 40%, which is the boost
converter efficiency when class D amplifier has no load. To achieve the minimal 40%
η, it is recommended to use the suggested
inductors in table 4 and to follow the layout guidelines.
Copyright 2008, Texas Instruments Incorporated
5
Product Folder Link(s): TPA2014D1
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| 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 |
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| TPA2015D1_10 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2 W Constant Output Power Class-D Audio Amplifier With Adaptive Boost Converter and Battery Tracking SpeakerGuard? AGC |
| TPA2015D1_11 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2 W Constant Output Power Class-D Audio Amplifier With Adaptive Boost Converter andBattery Tracking SpeakerGuard? AGC |
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