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參數(shù)資料
型號: TPA0222PWPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
封裝: GREEN, PLASTIC, HTSSOP-24
文件頁數(shù): 32/37頁
文件大小: 866K
代理商: TPA0222PWPR
www.ti.com
DISSIPATION RATING TABLE
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA0222
SLOS285B – NOVEMBER 1999 – REVISED NOVEMBER 2004
PACKAGE
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
PWP
2.7 W(1)
21.8 mW/
°C
1.7 W
1.4 W
(1)
See the Texas Instruments document, PowerPAD Thermally Enhanced Package Application Report
(literature number SLMA002), for more information on the PowerPAD package. The thermal data was
measured on a PCB layout based on the information in the section entitled Texas Instruments
Recommended Board for PowerPAD of the before-mentioned document.
MIN
MAX
UNIT
VDD
Supply voltage
4.5
5.5
V
SE/BTL, HP/LINE, GAIN0, GAIN1
0.8 x VDD
VIH
High-level input voltage
V
SHUTDOWN
2
SE/BTL, HP/LINE
0.6 x VDD
VIL
Low-level input voltage
GAIN0, GAIN1
0.4 x VDD
V
SHUTDOWN
0.8
TA
Operating free-air temperature
40
85
°C
at specified free-air temperature, V
DD = 5 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage (measured differentially)
VI = 0, AV = 2 V/V
25
mV
PSRR
Power supply rejection ratio
VDD = 4.5 V to 5.5 V
77
dB
|IIH|
High-level input current
VDD = 5.5 V, VI = VDD
900
nA
|IIL|
Low-level input current
VDD = 5.5 V, VI = 0 V
900
nA
BTL mode
18
25
IDD
Supply current
mA
SE mode
9
15
IDD(SD)
Supply current, shutdown mode
150
300
A
V
DD = 5 V, TA = 25°C, RL = 8 , Gain = 2 V/V, BTL mode
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD + N = 10%
2.6
PO
Output power
RL = 3
W
THD + N = 1%
2.05
THD + N
Total harmonic distortion plus noise
PO = 1 W,
f = 20 Hz to 15 kHz
0.5%
BOM
Maximum output power bandwidth
THD = 5%
>15
kHz
Supply ripple rejection ratio
f = 1 kHz, C(BYP) = 0.47 F, BTL mode
– 92
dB
SNR
Signal-to-noise ratio
105
dB
BTL mode
22
C(BYP) = 0.47 F,
Vn
Noise output voltage
VRMS
f = 20 Hz to 20 kHz
SE mode
20
Zi
Input impedance
See Table 1 and associated text
4
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TPA0223 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
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TPA0223DGQG4 功能描述:音頻放大器 2W Mono Aud Pwr Amp 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
TPA0223DGQR 功能描述:音頻放大器 2W Mono Aud Pwr Amp 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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