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參數(shù)資料
| 型號： | LC550 |
| 英文描述： | LC550 |
| 中文描述： | LC550 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 150K |
| 代理商： | LC550 |
2
500 - 37 - 8
PARAMETER
VALUE/UNITS
Supply Voltage
3 V
Power Dissipation
60 mW
Operating Temperature Range
-10
°
C to 60
°
C
Storage Temperature Range
-20
°
C to 70
°
C
ABSOLUTE MAXIMUM RATINGS
TOP VIEW
PIN CONNECTION
CAUTION
CLASS 1 ESD SENSITIVITY
5
10
1
6
V
MIC
OUT A
IN A
V
B
GND
OUT B2
DEC B2
IN B
OUT B1
Gain
A
V
Output Level 0.707 V
RMS
59
63
67
dB
Total Current (including
I
MIC
)
I
TOT
IRN
S1 - open
-
350
475
μ
A
Input Referred Noise
NFB 0.2 to 10kHz at 12dB/Oct
-
1.5
3
μ
V
Total Harmonic Distortion
THD
Output Level 0.707 V
RMS
-
3.5
7.5
%
O/P Swing at 7% Distortion
-
1.4
-
V
RMS
Stable with Battery Resistance to:
S4 - open
-
-
60
Preamp O/P Impedance
-
1.1
-
k
Preamp I/P Impedance
-
30
-
k
O/P Stage O/P Impedance
-
110
-
O/P Stage I/P Impedance
18
27
34
k
Start-Up Time
Refer to start up test sequence
-
-
3
sec
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply
Off
S1
Open
Removes V
IN
Discharges C2 & C3
S2 / S3
Closed
S1
Closed
Applies V
IN
(V
IN
level is
determined from Gain Test)
S2 / S3
Open
Removes Short from C2 and C3
Power Supply
On
Gain must be within specification, within 3 seconds after Power Supply is turned on
START-UP TEST SEQUENCE
SEQUENCE CONDITIONS
COMMENT
ELECTRICAL CHARACTERISTICS
All switches remain as shown in Test Circuit
Conditions: Supply voltage V
B
= 1.3 V DC, Temperature ambient = 25
°
C, Ground line resistance 0.03
max., Volume control setting max. gain
DEC B1
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