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參數(shù)資料
| 型號： | TPA2050D4YZKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.94 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA25 |
| 封裝： | 2.61 X 2.61 MM, GREEN, DSBGA-25 |
| 文件頁數(shù)： | 27/29頁 |
| 文件大?。?/td> | 931K |
| 代理商： | TPA2050D4YZKR |
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OPERATING CHARACTERISTICS
www.ti.com....................................................................................................................................................................................................... SLOS544 – JULY 2008
VDD = 3.6 V, TA = 25°C, RSPEAKER = 8 + 33 H, RHEADPHONES = 16 , Volume = 6 dB, HP Gain = 0 dB, MODE[2:0] = 001
(single-ended mode)(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
POWER AMPLIFIER
THD = 1%, VDD = 3.6 V, f = 1 kHz
700
mW
PO
Speaker output power
THD = 10%, VDD = 3.6 V, f = 1 kHz
860
mW
THD = 1%, VDD = 4.2 V, f = 1 kHz
940
mW
VOS
Offset Voltage
VDD = 5.5 V, Volume = 0 dB
-13
5
13
mV
Output impedance in shutdown
2
k
SNR
Signal-to-noise ratio
PO = 600 mW;
90
dB
En
Noise output voltage
Volume = 0 dB; A-weighted
19.4
V
RMS
VDD = 5.0 V, PO = 1 W, f = 1 kHz
0.22
%
THD+N
Total harmonic distortion plus noise
VDD = 3.6 V, PO = 0.6 W, f = 1 kHz
0.27
%
200 mVpp ripple, f = 217 Hz, Volume = 0 dB
-77.7
dB
kSVR
AC-Power supply rejection ratio
200 mVpp ripple, f = 4 kHz, Volume = 0 dB
-60.3
dB
Threshold
155
°C
Thermal shutdown
Hysteresis
35
°C
Output short-circuit protection
2.4
A
fCLK
Class-D switching frequency
250
300
350
kHz
ΔAV
Gain matching
Between left and right channels
0.1
dB
HEADPHONE AMPLIFIER
THD = 1%, VDD = 5.0 V, HP_Vout[2:0] = 000
145
Headphone output power(1)
PO
mW
(Outputs in Phase)
THD = 1%, VDD = 3.0 V, HP_Vout[2:0] = 000
79
THD = 10 %, HP_VOUT[2:0] = 111
0.14
VO
Maximum headphone output voltage
VRMS
THD = 10 %, HP_VOUT[2:0] = 100
0.23
VOS
Offset Voltage
VDD = 5.5 V, Volume = 0 dB
-3.5
0.5
3.5
mV
Output impedance in shutdown
30
SNR
Signal-to-noise ratio
PO = 50 mW;
90
dB
En
Noise output voltage
Volume = 0 dB; A-weighted, VDD = 5.0 V
12
V
RMS
PO = 20 mW into 16 , VDD = 3.6 V, f = 1 kHz
0.005
%
THD+N
Total harmonic distortion plus noise(1)
PO = 50 mW into 32 , VDD = 5.0 V, f = 1 kHz
0.0067
%
200 mVpp ripple, f = 217 Hz, Volume = 0 dB
-78.5
dB
kSVR
AC-Power supply rejection ratio
200 mVpp ripple, f = 4 kHz, Volume = 0 dB
-75.6
dB
Output short-circuit protection
200
mA
fOSC
Charge pump switching frequency
300
kHz
ΔAV
Gain matching
Between Left and Right channels
0.1
dB
INPUT SECTION
RIN
Input impedance
Volume = 12 dB
11
14.7
k
VREF
Reference voltage
VDD = 3.6 V, all active modes
1.65
V
Start-up time from shutdown
8.25
ms
(1)
Per output channel
Copyright 2008, Texas Instruments Incorporated
7
Product Folder Link(s): TPA2050D4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA2050D4YZKR | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
| TPA2050D4YZKT | 功能描述:音頻放大器 1.4 W/CH Stereo Class-D Audio Subsys RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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| TPA2051D3AYFFR | 制造商:TI 功能描述:Audio Subsystem |
| TPA2051D3YFFEVM | 功能描述:音頻 IC 開發(fā)工具 TPA2051D3YFF Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)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 |
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