參數(shù)資料
型號: LM4981
廠商: National Semiconductor Corporation
英文描述: CHOKE, COM/ASYM MODE 2X0.7MH 4A
中文描述: 地為參考,80mW立體聲耳機(jī)放大器,具有數(shù)字音量控制
文件頁數(shù): 5/18頁
文件大小: 1193K
代理商: LM4981
Electrical Characteristics V
DD
= 3V
(Notes 1, 2) (Continued)
Note 1:
All voltages are measured with respect to the GND pin unless other wise 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 T
JMAX
,
θ
JA
, and the ambient temperature, T
A
. The maximum
allowable power dissipation is P
DMAX
= (T
JMAX
– T
A
) /
θ
JA
or the number given in Absolute Maximum Ratings, whichever is lower. For the LM4917, see power
derating currents for more information.
Note 4:
Human body model, 100pF discharged through a 1.5k
resistor.
Note 5:
Machine Model, 220pF-240pF discharged through all pins.
Note 6:
Typical specifications are specified at +25C and represent parametric norm.
Note 7:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
L
www.national.com
5
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