參數(shù)資料
型號(hào)： LM4810MA/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 音頻／視頻放大
英文描述： 0.105 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝： SOIC-8
文件頁(yè)數(shù)： 13/18頁(yè)
文件大?。?/td> 928K
代理商： LM4810MA/NOPB
Electrical Characteristics (Notes 2, 3) (Continued)
The following specifications apply for V
DD = 3.3V unless otherwise specified, limits apply to TA = 25C.
Symbol
Parameter
Conditions
LM4810
Units
(Limits)
Typ
Limit
PSRR
Power Supply Rejection Ratio
C
B = 1.0F; Vripple = 200mVPP,
f = 1kHz; Input terminated into 50
70
dB
V
SDIH
Shutdown Voltage Input High
0.8 x V
DD
V (min)
V
SDIL
Shutdown Voltage Input Low
0.2 x V
DD
V (max)
Electrical Characteristics (Notes 2, 3)
The following specifications apply for V
DD = 2.6V unless otherwise specified, limits apply to TA = 25C.
Symbol
Parameter
Conditions
LM4810
Units
(Limits)
Typ
Limit
I
DD
Supply Current
V
IN = 0V, IO = 0A
0.9
mA
I
SD
Shutdown Current
V
IN = 0V, VSHUTDOWN =VDD
0.2
A
V
OS
Output Offset Voltage
V
IN = 0V
4.0
mV
P
O
Output Power
THD+N = 0.1%, f = 1kHz
R
L =16
20
mW
R
L =32
16
mW
THD+N
Total Harmonic Distortion
P
O = 15mW, RL =32
f = 20Hz to 20kHz
0.6
%
Crosstalk
Channel Separation
R
L =32
;P
O = 15mW
70
dB
PSRR
Power Supply Rejection Ratio
C
B = 1.0F; Vripple = 200mVPP,
f = 1kHz; Input terminated into 50
70
dB
V
SDIH
Shutdown Voltage Input High
0.8 x V
DD
V (min)
V
SDIL
Shutdown Voltage Input Low
0.2 x V
DD
V (max)
Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.
Note 3: All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 4: Human body model, 100pF discharged through a 1.5k
resistor.
Note 5: Typical specifications are specified at +25OC and represent the most likely parametric norm.
Note 6: Tested limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 7: Datasheet max/min specification limits are guaranteed by design, test, or statistical analysis.
Note 8: Machine Model ESD test is covered by specification EIAJ IC-121-1981. A 200pF cap is charged to the specified voltage, then discharged directly into the
IC with no external series resistor (resistance of discharge path must be under 50Ohms).
Note 9: The given
θJA is for an LM4810 packaged in an LDA08B with the Exposed-Dap soldered to a printed circuit board copper pad with an area equivalent to
that of the Exposed-Dap itself.
Note 10: The given
θJA is for an LM4810 packaged in an LDA08B with the Exposed-Dap not soldered to any circuit board copper.
LM4810
www.national.com
4
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LM4811G-SM2-R 制造商:UTC-IC 制造商全稱(chēng):UTC-IC 功能描述:DUAL 105mW HEADPHONE AMPLIFIER WITH DIGITAL VOLUME CONTROL AND SHUTDOWN MODE
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