參數(shù)資料
型號： LA74308LP
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, QCC24
封裝： 3.5 X 3.5 MM, VQLP-24
文件頁數(shù)： 5/12頁
文件大?。?/td> 198K
代理商： LA74308LP
LA74308LP
No.A0898-2/16
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCCA
3.0
V
Recommended operating voltage
VCCSP
3.3
V
VCCAop
2.7 to 3.6
V
Allowable operating voltage range
VCCSPop
Take care not to exceed Pd max.
2.7 to 3.6
V
Electrical Characteristics at Ta=25
°C, VCCA=3.0V, VCCSP=3.3V, f=1kHz, with the VREF capacitance charging
circuit in the OFF MODE
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Circuit current
VCCA current dissipation at no
signal 1
ICCA1
VCCA=3.0V:REC BLOCK(MIC/ALC/REC AMP)
POWER SAVE MODE
4.9
6.6
8.3
mA
VCCA current dissipation at no
signal 2
ICCA2
VCCA=3.0V, LINE/SP AMP POWER SAVE MODE
6.2
8.3
10.4
mA
VCCA standby current dissipation 1
ICCAS1
VCCA=3.0V, during standby control V3=0V
1
μA
VCCA standby current dissipation 2
ICCAS2
VCCA=3.0V, BIAS MODE
800
μA
VCCSP current dissipation at no
signal 1
ICCS1
VCCSP=3.3V, SPK POWER ON MODE
1
2
4
mA
VCCSP current dissipation at no
signal 2
ICCS2
VCCSP=3.3V, SPK POWER SAVE MODE
0.05
0.1
mA
VCCSP standby current dissipation 1
ICCSS1
VCCSP=3.3V, during standby control
(0V applied to pin 3)
9
μA
VCCSP standby current dissipation 2
ICCSS2
VCCSP=3.3V, BIAS MODE
9
μA
REC output system
REC reference output LEVEL
VOR
ALC IN, VIN=-53dBV
-11
-9.5
-8
dBV
REC reference output distortion
HDR1
ALC IN, VIN=-53dBV, THD: from 2nd to 5th harmonic
0.1
0.2
%
ALC characteristics
ALM
ALC IN, VIN=-20dBV
-3
-1.8
dBV
ALC distortion
ALMD
ALC IN, VIN=-20dBV, THD: from 2nd to 5th harmonic
0.3
1
%
ALC IN max input level
VINRMX
ALC IN LEVEL at which REC output THD
(from 2nd to 5th harmonic) becomes 3% or less.
-7
dBV
REC output noise voltage
VNOR
ALC IN, no input, JIS-A Filter
-70
-60
dBV
LINE output system (LINE load = as measured at the 22k
Ω end)
LINE reference output LEVEL
VOL
PB IN, VIN=-17dBV
-11
-9.5
-8
dBV
LINE reference output distortion
HDL
PB IN, VIN=-17dBV, THD: from 2nd to 5th harmonic
0.1
0.2
%
LINE reference output noise voltage
VNOL
PB IN, no input, JIS-A Filter
-77
-69
dBV
PB IN max input LEVEL
VINPMX
PB IN LEVEL at which LINE output THD
(from 2nd to 5th harmonic) becomes 1% or less.
-9
dBV
LINE output frequency
characteristics 1
FEQP1
PB IN, VIN=-10dBV, comparison of f=3kHz/1kHz
-3.5
-2
dB
LINE output frequency
characteristics 2
FEQP2
PB IN, VIN=-10dBV, comparison of f=4kHz/1kHz
-10
-6
dB
LINE output frequency
characteristics 3
FEQP3
PB IN, VIN=-10dBV, comparison of f=8kHz/1kHz
-55
-30
dB
SP output system (SP load = as measured at the 8
Ω end)
SP reference output LEVEL1
(Vol.MAX)
VOSP1
PB IN, VIN=-17dBV, Vol=MAX (EVR DATA=31)
-6
-3
0
dBV
SP reference output distortion
THDSP
PB IN, VIN=-17dBV, Vol=MAX,
THD: from 2nd to 5th harmonic
0.4
1
%
SP reference output LEVEL2
(Vol.TYP)
VOSP2
PB IN, VIN=-17dBV, Vol=TYP (EVR DATA=14)
-18
-12
-6
dBV
SP reference output LEVEL3
(Vol.MIN)
VOSP3
PB IN, VIN=-17dBV,Vol=MIN (EVR DATA=0)
JIS-A Filter
-80
-70
dBV
SP reference output noise voltage
VNOSP
PB IN no input, Vol=MAX, JIS-A Filter
-70
-64
dBV
SP maximum ratings output
VOMSP
PB IN, Vol=MAX, LEVEL at which THD=10%
200
320
mW
Continued on next page.
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