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參數(shù)資料
| 型號： | LD505 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | High Gain Class A Amplifier |
| 中文描述： | A類高增益放大器 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大小： | 189K |
| 代理商： | LD505 |
2
500 - 15 - 09
V
B
PARAMETER SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
68
72
76
dB
V
CC
= 1.3 V
66
71
76
dB
dB/
o
C
Temperature Coefficient of Gain
η
A
-
0.07
-
-
0.21
0.28
mA
V
cc
= 1.3 V
-
0.16
0.23
mA
mA/
o
C
Temperature Coefficient of Current
η
Ι
-
-0.002
-
1.3
1.5
1.9
mA
V
cc
= 1.3 V
1.0
1.3
1.7
mA
-
2
5
%
V
cc
= 1.3 V
-
-
6
%
Input Referred Noise
Bandwidth at 12 dB/OCT - 0.2 to 10 kHz
-
1.2
2.0
μ
V
RMS
Battery Resistance Stability
R
VC
= 100k (S1-open)
22
-
-
LC505
-
8
-
k
k
LD505
-
27
-
Low
-
100
-
Hz
High
-
5000
-
Hz
R
VC
= 0 to 100k
(S1 - closed/open)
R
VC
= 0 to 100k
(S1 - closed/open) V
cc
= 1.3 V
36
43
-
dB
Volume Control Range
34
42
-
dB
LC505
-
-0.4
-
dB/
dB/
LD505
-
+0.16
-
Amplifier Current
I
A
All switches remain as shown in test circuit unless stated in condition column
Conditions: Temperature 25
o
C, Vcc = 1.55 V
ELECTRICAL CHARACTERISTICS
Gain Dependance of RB
Frequency Response (-3 dB)
Input Impedance
Total Harmonic Distortion
Transducer Current
I
L
Gain
A
V
LD505
OUT
1
3
4
6
1
4
5
8
R
E
IN
VC
GND
V
B
OUT
R
E
LIMITER
LC505
VC
IN
GND
MIC
BIAS
PIN CONNECTION
ABSOLUTE MAXIMUM RATINGS
PARAMETER
VALUE & UNITS
Supply Voltage
3 V
Operating Temperature
-10 to +40
°
C
Power dissipation
25 mW
CAUTION
CLASS 1 ESD SENSITIVITY
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