LTC1598LCG-PBF データシートの表示（PDF） - Linear Technology
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LTC1598LCG-PBF
Linear Technology
LTC1598LCG-PBF Datasheet PDF : 24 Pages
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LTC1594L/LTC1598L
TYPICAL PERFORMANCE CHARACTERISTICS
4096 Point FFT Plot
0
TA = 25°C
VCC = 2.7V
– 20 VREF = 2.5V
fIN = 3.05kHz
– 40
fCLK = 120kHz
fSMPL = 7.5kHz
– 60
– 80
– 100
– 120
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
FREQUENCY (kHz)
1594L/98L G13
Intermodulation Distortion
0
TA = 25°C
VCC = 2.7V
– 20 VREF = 2.5V
f1 = 2.05kHz
f2 = 3.05kHz
– 40 fSMPL = 7.5kHz
– 60
– 80
– 100
– 120
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
FREQUENCY (kHz)
1594L/98L G14
Power Supply Feedthrough
vs Ripple Frequency
0
– 10
TA = 25°C
VCC = 2.7V (VRIPPLE = 1mV)
– 20 VREF = 2.5V
fCLK = 200kHz
– 30
– 40
– 50
– 60
– 70
– 80
– 90
–100
1k
10k
100k
1M
10M
RIPPLE FREQUENCY (Hz)
1594L/98L G15
Maximum Clock Frequency
vs Source Resistance
200
TA = 25°C
190
VCC = 2.7V
VREF = 2.5V
180
Sample-and-Hold Acquisition Time
vs Source Resistance
10000
TA = 25°C
VCC = 2.7V
VREF = 2.5V
170
160
1000
150 VIN +INPUT
140
–INPUT
130
RSOURCE–
120
10
100
SOURCE RESISTANCE (Ω)
1000
1594L/98L G16
RSOURCE+
VIN
+INPUT
–INPUT
100
1 10
100
1000 10000
SOURCE RESISTANCE (Ω)
1594L/98L G17
Minimum Clock Frequency for
0.1LSB Error vs Temperature
120
VCC = 2.7V
VREF = 2.5V
100
80
60
40
20
2
0
0 10 20 30 40 50 60 70
TEMPERATURE (°C)
1594L/98L G18
Input Channel Leakage Current
vs Temperature
1000
100
VCC = 2.7V
VREF = 2.5V
10
1
ON CHANNEL
OFF CHANNEL
0.1
0.01
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1594L/98L G19
15948lfb
6
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