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參數(shù)資料
| 型號： | LM4680SD/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO14 |
| 封裝： | LLP-14 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 754K |
| 代理商： | LM4680SD/NOPB |
Note 1: All voltages are measured with respect to the GND pin unless otherwise specified.
Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which
guarantee 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 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature TA. The maximum
allowable power dissipation is PDMAX =(TJMAX TA)/θJA or the number given in Absolute Maximum Ratings, whichever is lower. For the LM4680 typical application
(shown in Figure 1) with VDD = 12V, RL =8 stereo operation, the total power dissipation is 900mW. θJA = 40C/W
Note 4: Human body model, 100pF discharged through a 1.5k
resistor.
Note 5: Machine model, 220pF – 240pF discharged through all pins.
Note 6: Typicals are measured at 25C and represent the parametric norm.
Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8: Datasheets min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 9: Shutdown current is measured in a normal room environment. The SHUTDOWN pin should be driven as close as possible to GND for minimum shutdown
current.
Note 10: Please refer to “Under Voltage Protection” on page 8 under “General Features.”
Typical Performance Characteristics
THD+N vs Frequency
V
DD = 9V, RL =8
,P
O =1W
THD+N vs Frequency
V
DD = 12V, RL =8
,P
O =1W
20095806
20095807
THD+N vs Frequency
V
DD = 14V, RL =8
,P
O =1W
THD+N vs Output Power
R
L =8
,V
DD = 9V, f = 1kHz
20095808
20095809
LM4680
www.national.com
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