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參數資料
| 型號： | LA74302FN |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, QCC28 |
| 封裝： | 5 X 5 MM, VQFN-28 |
| 文件頁數： | 9/12頁 |
| 文件大小： | 147K |
| 代理商： | LA74302FN |
LA74302FN
No.A1180-6/12
Electrical Characteristics Measurement Method at Ta=25
°C, VCCL, D, SP=3.0V, f=1kHz
Input
Output
Serial control setting
Symbol
Pin
Conditions
Pin
Conditions
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Circuit current
ICCA1
12
VCCA=3.0V
No input
12
FULL operation
000
00
0
00
0
ICCA2
12
VCCA=3.0V
No input
12
MIC/ALC/REC AMP
POWER SAVE
000
11
00
10
0
00
0
ICCA3
12
VCCA=3.0V
No input
12
LINE AMP
POWER SAVE
000
00
01
0
00
0
ICCS1
26
VCCSP=3.0V
No input
26
FULL operation
000
00
0
00
0
ICCS2
26
VCCSP=3.0V
No input
26
SPK AMP
POWER SAVE
000
00
0
1
0
00
0
ICCD
10
VCCD=3.0V
No input
10
FULL operation
000
00
0
00
0
REC output system
VOR1
16
VIN=-44dBV
f=1kHz
13
400 to 30kHz LPF
used
000
00
0
00
0
HDR
16
VIN=-44dBV
f=1kHz
13
400 to 30kHz LPF used
THD: from 2nd to 5th
harmonic
000
00
0
00
0
ALM1
16
VIN=-28dBV
f=1kHz
13
400 to 30kHz LPF
used
000
00
0
00
0
ALMD1
16
VIN=-28dBV
f=1kHz
13
400 to 30kHz LPF used
THD: from 2nd to 5th
harmonic
000
00
0
00
0
ALM2
16
VIN=-12dBV
f=1kHz
13
400 to 30kHz LPF
used
000
00
0
00
0
ALMD2
16
VIN=-12dBV
f=1kHz
13
400 to 30kHz LPF used
THD: from 2nd to 5th
harmonic
000
00
0
00
0
VNOR
16
No input
13
JIS-A FILTER used
000
00
0
00
0
FEQR1
16
VIN=-36dBV
f=4kHz
13
f=4kHz/1kHz level
ratio
000
00
0
00
0
FEQR2
16
VIN=-36dBV
f=22kHz
13
f=22kHz/1kHz level
ratio
000
00
0
00
0
FEQR3
16
VIN=-36dBV
f=100kHz
13
f=100kHz/1kHz level
ratio
000
00
0
00
0
LINE output system
VOL1
11
VIN=-14dBV
f=1kHz
5
400 to 30kHz LPF
used
000
00
1
0
00
0
HDL
11
VIN=-14dBV
f=1kHz
5
400 to 30kHz LPF used
THD: from 2nd to 5th
harmonic
000
00
1
0
00
0
VNOL
11
No input
5
JIS-A FILTER used
000
00
1
0
00
0
VOML
11
f=1kHz
5
400 to 30kHz LPF used
Level at which THD = 1%
(from 2nd to 5th harmonic)
000
00
1
0
00
0
FEQP1
11
VIN=-10dBV
f=4kHz
5
f=4kHz/1kHz level
ratio
000
00
1
0
00
0
FEQP2
11
VIN=-10dBV
f=22kHz
5
f=22kHz/1kHz level
ratio
000
00
1
0
00
0
FEQP3
11
VIN=-10dBV
f=100kHz
5
f=100kHz/1kHz level
ratio
000
00
1
0
00
0
SPK output system (SPK end: measured with 8
Ω )
VOSP1
11
VIN=-14dBV
f=1kHz
25
27
400 to 30kHz LPF used
Vol.=MAX
000
00
0
1
11
1
THDSP
11
VIN=-14dBV
f=1kHz
25
27
400 to 30kHz LPF used
Vol.=MAX, THD: from
2nd to 5th harmonic
000
00
0
1
11
1
Continued on next page.
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