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參數(shù)資料
| 型號(hào)： | LM4766 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Audio Power Amplifier Series Dual 40W Audio Power Amplifier with Mute |
| 中文描述： | 音頻功率放大器系列雙功率40W音頻功率放大器靜音 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 477K |
| 代理商： | LM4766 |
Electrical Characteristics
(Notes 4, 5) (Continued)
The following specifications apply for V
CC
= +30V, V
EE
= 30V, I
MUTE
= 0.5 mA with R
L
= 8
unless otherwise specified.
Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4766
Units
(Limits)
Typical
(Note 9)
98
Limit
(Note 10)
SNR
Signal-to-Noise Ratio
P
O
= 1W, A— Weighted,
Measured at 1 kHz, R
S
= 25
P
O
= 25W, A— Weighted
Measured at 1 kHz, R
S
= 25
Pin 6,11 at 2.5V
dB
112
dB
A
M
Mute Attenuation
115
80
dB (min)
Note 1:
Operation is guaranteed up to 60V, however, distortion may be introduced from
SPiKe
Protection Circuitry if proper thermal considerations are not taken into
account. Refer to the Application Information section for a complete explanation.
Note 2:
DC Electrical Test; Refer to Test Circuit
#
1.
Note 3:
AC Electrical Test; Refer to Test Circuit
#
2.
Note 4:
All voltages are measured with respect to the GND pins (5, 10), unless otherwise specified.
Note 5:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func-
tional, but do not guarantee specific performance limits. Electrical Characteristics state DC andAC electrical specifications under particular test conditions which guar-
antee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is
given, however, the typical value is a good indication of device performance.
Note 6:
For operating at case temperatures above 25C, the device must be derated based on a 150C maximum junction temperature and a thermal resistance of
θ
JC
= 1C/W (junction to case) for the T package. Refer to the section Determining the Correct Heat Sink in the Application Information section.
Note 7:
Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 8:
The operating junction temperature maximum is 150C, however, the instantaneous Safe Operating Area temperature is 250C.
Note 9:
Typicals are measured at 25C and represent the parametric norm.
Note 10:
Limits are guarantees that all parts are tested in production to meet the stated values.
Note 11:
V
must have at least 9V at its pin with reference to ground in order for the under-voltage protection circuitry to be disabled. In addition, the voltage dif-
ferential between V
CC
and V
EE
must be greater than 14V.
Note 12:
The output dropout voltage, V
OD
, is the supply voltage minus the clipping voltage. Refer to the Clipping Voltage vs. Supply Voltage graph in the Typical Per-
formance Characteristics section.
Test Circuit
#
1
(Note 2) (DC Electrical Test Circuit)
DS100928-3
www.national.com
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4766_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Audio Power Amplifier Series Dual 40W Audio Power Amplifier with Mute |
| LM4766T | 功能描述:音頻放大器 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 |
| LM4766T | 制造商:Texas Instruments 功能描述:IC AMP DUAL 40W 4766 TO-220-15 |
| LM4766T/LF15 | 功能描述:音頻放大器 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 |
| LM4766T/NOPB | 功能描述:音頻放大器 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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