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参数资料
| 型号： | TDA7444 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 封装： | DIP-28 |
| 文件页数： | 13/18页 |
| 文件大小： | 211K |
| 代理商： | TDA7444 |
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb = 25°C, VDD = 3.3V, RL = 10k
, Vin =
0.5Vrms, RG = 600
, f = 1kHz, fosc = 27MHz;unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY
VDD
Supply Voltage
3
3.3
3.6
V
IDD
Supply Current
No Load
130
mA
SVR
Ripple Rejection
f =100Hz; VR = 0.5VRMS
70
dB
DC CHARACTERISTICS
IdiH
Digital Input Current High level
SDIN, SCL
1
A
IdiL
Digital Input Current Low level
SDIN, SCL
-1
A
IdoH
Digital Output Current High level
SDOUT
-4
mA
IdoL
Digital Output Current Low level
SDOUT
4
mA
AC CHARACTERISTICS (AD converter)
Ain
Maximum Input Level
VDD
0.5
Vrms
(THD+N)ad
Total Harmonic Distortion +
noise
See note1
72
dB
S/Nad
S/(N+D) Ratio
See note2
without A-Weight Filter
A-Weight Filter
77
80
dB
CTad
Cross Talk
f =1KHz
-60
dB
AC CHARACTERISTICS (DA CONVERTER)
(THD+N)da
Total Harmonic Distortion +
Noise
see Note1
70
dB
S/Nda
S/(N+D) Ratio
See note2
Without A-weight filter
A-Weight filter
75
78
dB
CTda
Cross Talk
f =1KHz
-60
dB
Aout
Ouput level
0.5
Vrms
TIMING CHARACTERISTICS
tr
Rise time (SCLK, MCLK, LR,
SDout)
5ns
tf
Fall time (SCLK, MCLK, LR,
SDout)
5ns
fxtal
Operating frequency
27
MHz
Note 1: Obtained @ SDout L/R = -3dBFs, by adding 3dB to the measured THD+N without A weight-filter
Note 2: Obtained @ SDout L/R = -3dBFs, by adding 3dB to the measured SNR with and without A-Weight filter.
TDA7444 - TDA7444D
4/18
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| TDA7448 | 功能描述:音频放大器 6 Ch Volume CNTRL 0 to -79dB 1.0dB CNT 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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| TDA744813TR | 功能描述:音频放大器 6 Ch Volume CNTRL 0 to -79dB 1.0dB CNT 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 |
| TDA7448-EVB | 功能描述:音频 IC 开发工具 Eval Brd for TDA7448 RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TDA7449 | 功能描述:音频 DSP Tone Control Digital RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
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