LF580 Просмотр технического описания (PDF) - Gennum -> Semtech
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LF580 Datasheet PDF : 4 Pages
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ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Operating Temperature Range
Storage Temperature Range
CAUTION
CLASS 1 ESD SENSITIVITY
VALUE/UNITS
5 V DC
-10°C to 50° C
-40°C to 100° C
PIN CONNECTION
VB
CONTROL
N/C
GND
TOP VIEW
4
5
1
8
BOUT
BIN
AOUT
AIN
ELECTRICAL CHARACTERISTICS
Conditions: Frequency = 1 kHz, Temperature = 25°C, Supply Voltage VB = 1.3 V
Parameter
Symbol
Conditions
Insertion Loss
Current Drain
VIN =1 VRMS
Note 1
IT
RCNT = 100 kΩ
Corner Frequency
fC
VIN =1 VRMS
Note 2
Distortion
Ouput Noise
THD
VIN =1.25 VRMS
Note 3
Supply Rejection
SR
VB = 3.0VDC
Note 4
Min Typ Max Units
-
2
3 dB
200 280 370 µA
1300 1650 1900 Hz
-
25
%
-
8 10 µV
-
45 56 dB
All parameters and switches remain as shown in Test Circuit unless otherwise stated in "Conditions" column
Notes 1: Insertion Loss = 20 Log(VOUT/VIN)-12
2: a) measure output voltage VOUT1 (RCNT =100kΩ)
b) measure output voltage VOUT2 (RCNT =10.274kΩ)
fC = 1000 x 2 (VOUT1 / VOUT2)
3: Output Noise = VOUT /100, filter bandwidth 200Hz to 10kHz at 12dB/Oct
4: VB modulated with 1VRMS at 1 kHz
Supply Rejection = 20 Log (VOUT)-40
0.001
RB=4.7
VB=1.3 VDC
1.82k
150
ATTENUATOR
28dB
7
0.001
8
82.1
6
LF580
3
4
1.0
5
1
VIN
RL=10k
RCNT=100k
+15 VDC
+ IC1
4_0.0 dB
-15 VDC
VOUT
100k
1000
10
500 - 73 - 08
All resistors in ohms, all capacitors in microfarads unless otherwise stated in conditions column
Fig. 1 Test Circuit
2
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