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参数资料
型号： TPA731DG4
厂商： TEXAS INSTRUMENTS INC
元件分类： 音频／视频放大
英文描述： 0.35 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封装： GREEN, PLASTIC, MS-012AA, SOIC-8
文件页数： 22/28页
文件大小： 792K
代理商： TPA731DG4
TPA731
700mW MONO LOW VOLTAGE AUDIO POWER AMPLIFIER
WITH DIFFERENTIAL INPUTS
SLOS315B JUNE 2000 REVISED OCTOBER 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, VDD = 3.3 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage (measured differentially)
SHUTDOWN = 0 V, RL = 8 , RF = 10 k
20
mV
PSRR
Power supply rejection ratio
VDD = 3.2 V to 3.4 V
85
dB
IDD
Supply current
SHUTDOWN = 0 V, RF = 10 k
1.25
2.5
mA
IDD(SD)
Supply current, shutdown mode (see Figure 4)
SHUTDOWN = VDD, RF = 10 k
1.5
1000
nA
|IIH|
SHUTDOWN, VDD = 3.3 V, Vi = 3.3 V
1
A
|IIL|
SHUTDOWN, VDD = 3.3 V, Vi = 0 V
1
A
operating characteristics, VDD = 3.3 V, TA = 25°C, RL = 8
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power, See Note 1
THD = 0.2%,
See Figure 9
250
mW
THD + N
Total harmonic distortion plus noise
PO = 250 mW,
f = 200 Hz to 4 kHz,
See Figure 7
0.55%
BOM
Maximum output power bandwidth
AV = 2 V/V,
THD = 2%,
See Figure 7
20
kHz
B1
Unity-gain bandwidth
Open Loop,
See Figure 15
1.4
MHz
Supply ripple rejection ratio
f = 1 kHz,
CB = 1 F,
See Figure 2
79
dB
Vn
Noise output voltage
AV = 1V/V,
CB = 0.1 F,
See Figure 19
17
V(rms)
NOTE 1: Output power is measured at the output terminals of the device at f = 1 kHz.
electrical characteristics at specified free-air temperature, VDD = 5 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage (measured differentially)
SHUTDOWN = 0 V, RL = 8 , RF = 10 k
20
mV
PSRR
Power supply rejection ratio
VDD = 4.9 V to 5.1 V
78
dB
IDD
Supply current
SHUTDOWN = 0 V, RF = 10 k
1.55
2.5
mA
IDD(SD)
Supply current, shutdown mode (see Figure 4)
SHUTDOWN = VDD RF = 10 k
5
1500
nA
|IIH|
SHUTDOWN, VDD = 5.5 V, Vi = VDD
1
A
|IIL|
SHUTDOWN, VDD = 5.5 V, Vi = 0 V
1
A
operating characteristics, VDD = 5 V, TA = 25°C, RL = 8
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 0.5%,
See Figure 13
700
mW
THD + N
Total harmonic distortion plus noise
PO = 250 mW,
f = 200 Hz to 4 kHz,
See Figure 11
0.5%
BOM
Maximum output power bandwidth
AV = 2 V/V,
THD = 2%,
See Figure 11
20
kHz
B1
Unity-gain bandwidth
Open Loop,
See Figure 16
1.4
MHz
Supply ripple rejection ratio
f = 1 kHz,
CB = 1 F,
See Figure 2
80
dB
Vn
Noise output voltage
AV = 1 V/V,
CB = 0.1 F,
See Figure 20
17
V(rms)
The DGN package, properly mounted, can conduct 700 mW RMS power continuously. The D package, can only conduct 350 mW RMS power
continuously, with peaks to 700 mW.
相关PDF资料
PDF描述
TPA731DRG4 0.35 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
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相关代理商/技术参数
参数描述
TPA731DGN 功能描述:音频放大器 Mono Diff Input Class-AB 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
TPA731DGN 制造商:Texas Instruments 功能描述:IC AMP AUDIO PWR 0.7W MONO 8MSOP 制造商:Texas Instruments 功能描述:IC, AMP AUDIO PWR 0.7W MONO 8MSOP
TPA731DGNG4 功能描述:音频放大器 Mono Diff Input Class-AB 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
TPA731DGNR 功能描述:音频放大器 Mono Diff Input Class-AB 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
TPA731DGNRG4 功能描述:音频放大器 Mono Diff Input Class-AB 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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