LC550(1981) 데이터 시트보기 (PDF) - Gennum -> Semtech
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LC550 Datasheet PDF : 5 Pages
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ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
CAUTION
CLASS 1 ESD SENSITIVITY
VALUE/UNITS
3V
60 mW
-10° C to 60° C
-20° C to 70° C
PIN CONNECTION
TOP VIEW
OUT B2
5
DEC B2
IN B
DEC B1
OUT B1
1
6
VMIC
OUT A
IN A
VB
10
GND
ELECTRICAL CHARACTERISTICS
All switches remain as shown in Test Circuit
Conditions: Supply voltage VB= 1.3 V DC, Temperature ambient = 25°C, Ground line resistance 0.03 Ωmax., Volume control setting max. gain
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Gain
Total Current (including IMIC)
Input Referred Noise
Total Harmonic Distortion
O/P Swing at 7% Distortion
Stable with Battery Resistance to:
Preamp O/P Impedance
Preamp I/P Impedance
O/P Stage O/P Impedance
O/P Stage I/P Impedance
Start-Up Time
AV
ITOT
IRN
THD
Output Level 0.707 VRMS
59
S1 - open
-
NFB 0.2 to 10kHz at 12dB/Oct
-
Output Level 0.707 VRMS
-
-
S4 - open
-
-
-
-
18
Refer to start up test sequence -
63
67
dB
350
475
µA
1.5
3
µV
3.5
7.5
%
1.4
-
VRMS
-
60
Ω
1.1
-
kΩ
30
-
kΩ
110
-
Ω
27
34
kΩ
-
3
sec
START-UP TEST SEQUENCE
SEQUENCE
CONDITIONS
COMMENT
Power Supply
Off
S1
S2 / S3
Open
Closed
Removes VIN
Discharges C2 & C3
S1
Closed
Applies VIN (VIN 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
500 - 37 - 8
2
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