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参数资料
| 型号： | TPA0242PWPG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24 |
| 封装： | GREEN, PLASTIC, HTSSOP-24 |
| 文件页数： | 30/35页 |
| 文件大小： | 806K |
| 代理商： | TPA0242PWPG4 |
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DISSIPATION RATING TABLE
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA0242
SLOS287C – NOVEMBER 1999 – REVISED SEPTEMBER 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)
Please 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 on page 33 of the before mentioned document.
MIN
MAX
UNIT
Supply voltage, VDD
4.5
5.5
V
SE/BTL, HP/LINE
0.8
×V
DD
High-level input voltage, VIH
V
SHUTDOWN
2
SE/BTL, HP/LINE
0.6
×V
DD
Low-level input voltage, VIL
V
SHUTDOWN
0.8
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
High-level input current - SHUTDOWN,
|IIH|
VDD = 5.5 V, VI = VDD
900
nA
SE/BTL, HP/LINE, VOLUME
Low-level input current - SHUTDOWN,
|IIL|
VDD = 5.5 V, VI = 0 V
900
nA
SE/BTL, HP/LINE, VOLUME
BTL mode, SHUTDOWN = 2 V, SE/BTL,
20
25
HP/LINE = 0.6
× V
DD
IDD
Supply current
mA
SE mode, SHUTDOWN = 2 V, SE/BTL,
10
12.5
HP/LINE = 0.8
× V
DD
IDD(SD)
Supply current, shutdown mode
SHUTDOWN = 0 V, SE/BTL, HP/LINE = 0 V
150
300
A
V
DD = 5 V, TA= 25°C, RL = 4 , Gain = 2 V/V, 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%
2.2
THD+N
Total harmonic distortion plus noise
PO = 1 W, f = 20 Hz to 15 kHz
0.22%
BOM
Maximum output power bandwidth
THD = 5%
>15
kHz
BTL mode
–65
f = 1 kHz,
Supply ripple rejection ratio
dB
C(BYP) = 0.47 F
SE mode
–60
BTL mode
34
C(BYP) = 0.47 F,
Vn
Noise output voltage
VRMS
f = 20 Hz to 20 kHz
SE mode
44
4
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| TPA0243DGQ | 功能描述:音频放大器 2W Mono Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA0243DGQG4 | 功能描述:音频放大器 2W Mono Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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