參數(shù)資料
型號(hào)： LA74302FN
元件分類(lèi)： 音頻／視頻放大
英文描述： AUDIO AMPLIFIER, QCC28
封裝： 5 X 5 MM, VQFN-28
文件頁(yè)數(shù)： 5/12頁(yè)
文件大?。?/td> 147K
代理商： LA74302FN
LA74302FN
No.A1180-2/12
Operating Conditions at Ta=25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCCL
3.0
V
VCCD
3.0
V
Recommended supply voltage
VCCSP
3.0
V
VCCL
2.7 to 3.6
V
VCCD
2.7 to 3.6
V
Allowable operating voltage range
VCCSP
Take care not to exceed Pd max.
2.7 to 3.6
V
Electrical Characteristics at Ta=25
°C, VCCL, D, SP=3.0V, f=1kHz
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Circuit current
Quiescent circuit current 1
ICCA1
VCCA=3.0V: FULL operation
5.2
7.0
8.8
mA
Quiescent circuit current 2
ICCA2
VCCA=3.0V: REC BLOCK (MIC/ALC/REC AMP)
POWER SAVE
2.4
3.2
4
mA
Quiescent circuit current 3
ICCA3
VCCA=3.0V: LINE AMP POWER SAVE
4.8
6.4
8.0
mA
Quiescent circuit current 4
ICCD1
VCCD=3.0V
2.1
2.8
3.5
mA
Quiescent circuit current 5
ICCSP1
VCCSP=3.0V: SPK POWER ON
1.2
2.5
5
mA
Quiescent circuit current 6
ICCSP2
VCCSP=3.0V: SPK POWER SAVE
0.3
0.6
0.9
mA
REC output system
REC reference output LEVEL
VOR
ALC IN, VIN=-44dBV
-15
-14
-13
dBV
REC reference output distortion rate 1
HDR1
ALC IN, VIN=-44dBV,
THD: from 2nd to 5th harmonic
0.03
0.1
%
ALC characteristics 1
ALM1
ALC IN, VIN=-28dBV (reference+16dB),
ALC LEVEL: reference +10dB
-7
-4
-1
dBV
ALC distortion rate 1
ALMD1
ALC IN, VIN=-28dBV (reference +16dB),
ALC LEVEL: reference +10dB
0.3
0.5
%
ALC characteristics 2
ALM2
ALC IN, VIN=-12dBV (reference +32dB),
ALC LEVEL: reference +10dB
-7
-4
-1
dBV
ALC distortion rate 2
ALMD2
ALC IN, VIN=-12dBV (reference +32dB),
ALC LEVEL: reference +10dB,
THD: from 2nd to 5th harmonic
0.4
1
%
REC output noise voltage
VNOR
ALC IN no input, JIS-A Filter
-82
-68
dBV
REC output frequency characteristics 1
FEQR1
ALC IN, VIN=-36dBV, Comparison of
f=4kHz/1kHz
-4.5
-3
-1.5
dBV
REC output frequency characteristics 2
FEQR2
ALC IN, VIN=-36dBV, Comparison of
f=22kHz/1kHz
-31
-25
dB
REC output frequency characteristics 3
FEQR3
ALC IN, VIN=-36dBV, Comparison of
f=100kHz/1kHz
-70
-60
dB
LINE output system
LINE reference output LEVEL
VOL
PB IN, VIN=-14dBV
-7
-6
-5
dBV
LINE reference output distortion rate
HDL
PB IN, VIN=-14dBV,
THD: from 2nd to 5th harmonic
0.1
0.2
%
LINE reference output noise voltage
VNOL
PB IN, no input, JIS-A Filter
-90
-82
dBV
LINE max output LEVEL
VOML
PB IN, LEVEL at which THD (from 2nd to 5th
harmonic)=1%
-1
0
dBV
LINE output frequency characteristics 1
FEQP1
PB IN, VIN=-10dBV, Comparison of f=4kHz/1kHz
-4.5
-3
-1.5
dB
LINE output frequency characteristics 2
FEQP2
PB IN, VIN=-10dBV, Comparison of
f=22kHz/1kHz
-31
-25
dB
LINE output frequency characteristics 3
FEQP3
PB IN, VIN=-10dBV, Comparison of
f=100kHz/1kHz
-70
-60
dB
Continued on next page.
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