參數(shù)資料
型號(hào): LD512-MICRO
元件分類: 音頻/視頻放大
英文描述: AUDIO PREAMPLIFIER, PDFP8
封裝: MICROPAK-8
文件頁數(shù): 4/5頁
文件大?。?/td> 154K
代理商: LD512-MICRO
4
500 - 75 - 07
4
2
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
V
B=1.3 VDC
10
01
ED1913
100k
R
VC
20K
10
200 mV
REF
V
REG
7
3
8
4
5
6
1
C
+
_
B
-
- A
28 dB
16 dB
CONTROL
2
R
S
3k9
01
C
S
0
-10
-20
-30
-40
-50
-60
-70
-80
-100
-90
-80
-70
-60
-50
-40
-20
-25
-30
-35
-40
-45
-50
-55
-60
-100
-90
-80
-70
-60
-50
-40
20
200
2k
20k
5
0
-5
-10
-15
-20
-25
-30
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
INPUT (dBV)
SUPPLY VOLTAGE (VDC)
Fig. 4 I/O Characteristics at Various
RVC Values (Pin 7)
Fig. 5 I/O Characteristics at Pin 1
Fig. 7 Gain vs Supply Voltage
Fig. 6 Closed Loop Frequency Response
at Various CS Values
FREQUENCY
CS = 0.22F
CS = 0.1F
CS = 0.033F
CS = 0.047F
RVC = 100k
RVC = 47k
RVC = 22k
RVC = 3.3k
RVC = 10k
All resistors in ohms, all capacitors
in farads unless otherwise stated
Fig. 3 Typical Hearing Aid Application
OUTPUT
(dBV)
OUTPUT
(dBV)
RELATIVE
OUTPUT
(dB)
RELATIVE
GAIN
(dB)
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