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參數(shù)資料
| 型號： | TPA6138A2PW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.04 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14 |
| 封裝： | GREEN, PLASTIC, TSSOP-14 |
| 文件頁數(shù)： | 14/18頁 |
| 文件大?。?/td> | 436K |
| 代理商： | TPA6138A2PW |
SLOS704A
– JANUARY 2011 – REVISED MAY 2011
ELECTRICAL CHARACTERISTICS
VDD = 3.3 V, RDL = 32 Ω, Rfb = 30 k, RIN = 15 k, TA = 25°C, Charge pump: CP = 1 F (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage
VDD = 3.3 V
0.5
1
mV
PSRR
Power-supply rejection ratio
80
dB
VOH
High-level output voltage
VDD = 3.3 V
3.1
V
VOL
Low-level output voltage
VDD = 3.3 V
–3.05
V
VUVP_EX
External UVP detect voltage
1.25
V
VUVP_EX_HYSTERESIS
External UVP detect hysteresis current
5
A
fCP
Charge-pump switching frequency
200
300
400
kHz
|IIH|
High-level input current, Mute
VDD = 3.3 V, VIH = VDD
1
A
|IIL|
Low-level input current, Mute
VDD = 3.3 V, VIL = 0 V
1
A
VDD = 3.3 V, no load, Mute = VDD, no load
5
14
25
IDD
Supply current
mA
VDD = 3.3 V, no load, Mute = GND,
14
disabled
OPERATING CHARACTERISTICS
VDD = 3.3 V, RDL = 32 Ω, Rfb = 30 k, RIN = 15 k, TA = 25°C, Charge pump: CP = 1 F (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power, outputs in phase
THD+N = 1%, VDD = 3.3 V, f = 1 kHz, RL = 32 Ω
40
mW
THD+N
Total harmonic distortion plus noise
VDD = 3.3V, f = 1kHz, RLD = 32Ω, Po = 10mW
0.01%
SNR
Signal-to-noise ratio(1)
A-weighted
90
96
dB
DNR
Dynamic range(2)
A-weighted
90
100
dB
VN
Noise voltage
A-weighted
13
μV
ZO
Output Impedance when muted
Mute = GND
110
m
Ω
Input-to-output attenuation when
Mute = GND
80
dB
muted
Crosstalk
—L to R, R to L
Po = 20 mW
–75
dB
ILIMIT
Current limit
PVDD = 3.3 V
50
mA
(1)
SNR is calculated relative to 25-mW output.
(2)
DNR is calculated relative to output at 1% THD+N.
Copyright
2011, Texas Instruments Incorporated
5
Product Folder Link(s): TPA6138A2
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相關代理商/技術參數(shù) |
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|---|---|
| TPA6138A2PW | 制造商:Texas Instruments 功能描述:DIRECTPATH HEADPHONE DRIVER IC STEREO |
| TPA6138A2PWR | 功能描述:音頻放大器 Headphone Driver w/ Adj Gain 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 |
| TPA6139A2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DirectPatha?￠ 25-mW Headphone Amplifier With Programmable-Fixed Gain |
| TPA6139A2EVM | 功能描述:音頻 IC 開發(fā)工具 TPA6139A2EVM Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA6139A2PW | 功能描述:音頻放大器 25mW Headphone 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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