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參數(shù)資料
| 型號(hào)： | LC508-MICRO |
| 元件分類(lèi)： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, PDFP10 |
| 封裝： | MICROPAK-10 |
| 文件頁(yè)數(shù)： | 2/4頁(yè) |
| 文件大?。?/td> | 79K |
| 代理商： | LC508-MICRO |
2
500 - 61 - 12
Fig. 1 Test Circuit
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Gain (Closed Loop)
A
CL
V
OUT
= 500 VRMS
69
73
77
dB
Amplifier Current
I
AMP
I
AMP
=
I
A
+
I
MIC
160
245
340
A
Transducer Current
I
TRANS H
R
E
= 47.5
1.1
1.3
1.7
mA
Transducer Current
I
TRANS L
R
E
=
∞
200
275
350
A
Distortion
THD
V
OUT
= 500 VRMS
-1
4
%
Input Referred Noise
IRN
NFB 0.2 to 10kHz at 12dB/Oct
-
1
2
V
Stable with Battery Resistance to
R
B
-
22
Input Bias Current
I
B
-50
0
50
nA
On Chip Emitter Resistor
R
E
-
200
-
Emitter Bias Voltage (pin 8)
V
RE
-54
-
mV
Microphone Decoupling Resistor
R
MIC
-4
-
k
ELECTRICAL CHARACTERISTICS
Conditions: Supply Voltage =1.3 VDC, Frequency = 1 kHz, Temperature = 25 oC
V
MIC
PIN CONNECTION
ABSOLUTE MAXIMUM RATINGS
PARAMETER
VALUE / UNITS
Supply Voltage
5V DC
Power Dissipation
25 mW
Operating Temperature
-10
o to + 40oC
Storage Temperature
-20
o to + 70oC
CAUTION
CLASS 1 ESD SENSITIVITY
5
10
1
6
GND
B IN
A OUT
A IN
V
B
C OUT
R
E
C IN
B OUT
All switches and parameters remain as shown in Test Circuit unless otherwise stated in Conditions column.
All resistors in ohms, all capacitors in
F unless otherwise stated
VB=1.3 VDC
R1
2.7K
7
8
2
- B
- A
1.0
6
RL = 1K
RMIC
4
3
1
R
FA
S
R B =4.7
V
IN
IB
33 K
- C
V
OUT
C
0.015
10
5
9
47.5K
1kHz
10
3.3 K
IMIC
R
FB
IB
56.2K
ITRA NS
CS
1.0
R E =47.5
R E
1.0
IAMP
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