LTC1286C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1286C' PDF : 24 Pages View PDF
LTC1286/LTC1298
TYPICAL PERFORMANCE CHARACTERISTICS
Spurious Free Dynamic Range
vs Frequency
100
90
80
70
60
50
40
30
20 TA = 25°C
10
VCC = VREF = 5V
fSMPL = 12.5kHz
0
1k
10k
100k
1M
INPUT FREQUENCY (Hz)
LTC 1286/98 G27
4096 Point FFT Plot
0
TA = 25°C
–20
VCC = VREF = 5V
fIN = 5kHz
fCLK = 200kHz
–40 fSMPL = 12.5kHz
–60
–80
– 1 00
– 1 20
– 1 40
01
2 34 5 6 7
FREQUENCY (kHz)
LTC 1286/98 G21
Maximum Clock Frequency vs
Source Resistance
300
250
200
150
100
VIN
+INPUT
–INPUT
RSOURCE–
50
TA = 25°C
VCC = VREF = 5V
0
0.1
1
10
SOURCE RESISTANCE (kΩ)
LT1286/98 G12
S/(N+D) vs Input Level
80
TA = 25°C
70 VCC = VREF = 5V
fIN = 1kHz
60 fSMPL = 12.5kHz
50
40
30
20
10
0
–40
–30
–20
–10
0
INPUT LEVEL (dB)
LT1286/98 G25
Intermodulation Distortion
0
TA = 25°C
–20
VCC = VREF = 5V
f1 = 5kHz
f2 = 6kHz
–40 fSMPL = 12.5kHz
–60
–80
– 1 00
– 1 20
– 1 40
01 2 34 5 6 7
FREQUENCY (kHz)
LTC 1286/98 G24
Sample and Hold Aquisition
Time vs Source Resistance
10000
TA = 25°C
VCC = VREF = 5V
Attenuation vs
Input Frequency
0
10
20
30
40
50
60
70
80 TA = 25°C
90
VCC = VREF = 5V
fSMPL = 12.5kHz
100
1
10k
100k
1M
10M
INPUT FREQUENCY (Hz)
LTC 1286/98 G26
Power Supply Feedthrough
vs Ripple Frequency
0
TA = 25°C
VCC = 5V (VRIPPLE = 20mV)
VREF = 5V
fCLK = 200kHz
–50
– 1 00
1
10
100
1000
RIPPLE FREQUENCY (kHz)
10000
LTC 1286/98 G22
Maximum Clock Frequency vs
Supply Voltage
300
TA = 25°C
VCC = VREF = 5V
290
1000
100
0.1
RSOURCE+
VIN
+INPUT
–INPUT
1
10 100 1000 10000
SOURCE RESISTANCE (Ω)
LT1286/98 G16
280
270
260
250
5
6
7
8
9
SUPPLY VOLTAGE (V)
LT1286/98 G13
6
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