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參數(shù)資料
| 型號： | LS509MINI |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 4/5頁 |
| 文件大小： | 94K |
| 代理商： | LS509MINI |
4
510 - 12 - 08
R
MIC
7
-
A
100k
3
2
VC
4
5
6
1
R
S
0μ1 5k6
10
R
9
56
R
C
-
E
V = 1.3 V DC
8
B
-
GT
R
0μ22
1μ0
R
MPO
0μ1
50k
ED1913
RL
AC
C
S
100k
21k
3k9
0μ1
R
GT
R
S
R
VC
R
L
AC
//21K
E
Gain of Stage A = 20 log
Gain of Stage B 5.6 k
Gain of Stage C 56//R
4
0
-4
-8
-12
-16
-20
20
200
FREQUENCY (Hz)
2k
20k
R
Fig. 5 I/O Curves at Various R
MPO
Values
O
R
VC
= 10K
R
MPO
= 10k
R
MPO
= 0k
O
R
VC
= 47K
R
VC
= 22K
R
VC
= 3.3K
R
MPO
= 3.3k
Fig. 6 Closed Loop Frequency Response
with Various C
S
Values
-140 -120
-100 -80 -60 -40
INPUT (dBV)
-90 -80 -70 -60 -50 -40
INPUT (dBV)
R
VC
= 100K
R
MPO
= 50k
R
MPO
= 22k
Fig. 4 I/O Curves at Various R
VC
Settings
All resistors in ohms, all capacitors in farads unless otherwise stated.
Fig 3 Typical Hearing Instrument Application
5
-5
-15
-25
-35
-45
-55
-65
-75
≈
0.7 0.8 0.9 1 1.1 1.2 1.3 1.4
SUPPLY VOLTAGE (V)
R
Fig. 7 Gain vs Supply Voltage
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
5
0
-5
-10
-15
-20
-25
-30
C
S
= 0.22
μ
C
S
= 0.1
μ
C
S
= 0.033
μ
C
S
= 0.047
μ
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