參數(shù)資料
型號： TPA0252PWPG4
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)： 29/34頁
文件大?。?/td> 851K
代理商： TPA0252PWPG4
www.ti.com
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA0252
SLOS288B – JUNE 2000 – REVISED SEPTEMBER 2004
DISSIPATION RATING TABLE
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, PowerPADThermally Enhanced Package Application Report
(literature number SLMA002), for more information on the PowerPAD package. The thermal data
measured on a PCB layout based on the information in the section entitled Texas Instruments
Recommended Board for PowerPAD on page 33 of the before mentioned document.
MIN
MAX
UNIT
Supply voltage, VDD
4.5
5.5
V
Volume control memory supply voltage, VAUX
3
5.5
V
CLK
4.5
SE/BTL, HP/LINE
0.8
× V
DD
High-level input voltage, VIH
V
UP, DOWN
4
SHUTDOWN
2
SE/BTL, HP/LINE
0.6
× V
DD
Low-level input voltage, VIL
SHUTDOWN
0.8
V
UP, DOWN, CLK
0.5
Operating free-air temperature, TA
-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
35
mV
Supply ripple rejection ratio
VDD = 4.9 V to 5.1 V
67
dB
|IIH|
High-level input current SE/BTL, HP/LINE, SHUTDOWN, UP, DOWN
VDD = 5.5 V, VI = VDD
1
A
SE/BTL, HP/LINE, SHUTDOWN
1
A
|IIL|
Low-level input current
VDD = 5.5 V, VI= 0 V
UP, DOWN
125
A
BTL mode
9
15
IDD
Supply current
mA
SE mode
4.5
7.5
IDD(SD)
Supply current, shutdown mode
150
300
A
IDD(VAUX) Supply current, VAUX pin (see Figure 29)
VAUX = 5 V, VDD = 0 V
0.7
nA
V
DD = 5 V, TA= 25°C, RL = 4 , Gain = 20 dB, BTL mode (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD = 10%
2.8
PO
Output power
RL = 3 , f = 1 kHz
W
THD = 1%
2.3
THD + N
Total harmonic distortion plus noise
PO = 1 W, f = 20 Hz to 15 kHz
0.3%
BOM
Maximum output power bandwidth
THD = 5%
>15
kHz
BTL mode
65
f = 1 kHz,
kSVR
Supply ripple rejection ratio
dB
CB = 0.47 F
SE mode, Gain = 14 dB
60
BTL mode, Gain = 6 dB
17
CB = 0.47 F,
Vn
Noise output voltage
VRMS
f = 20 Hz to 20 kHz
SE mode, Gain = 0 dB
44
4
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TPA0253_07 制造商:TI 制造商全稱:Texas Instruments 功能描述:1-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0253DGQ 功能描述:音頻放大器 Mono Lo-Pwr Class-AB 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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