LTC1286C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1286C' PDF : 24 Pages View PDF
LTC1286/LTC1298
TYPICAL PERFORMANCE CHARACTERISTICS
Reference Current vs
Sample Rate (LTC1286)
100
90
TA = 25°C
VCC = 5V
80 VREF = 5V
fCLK = 200kHz
70
60
50
40
30
20
10
0
02
4 6 8 10 12 14
FREQUENCY (kHz)
LT1286/98 G06
Change in Offset vs Temperature
0
-0.5
-1
1.5
-2
VCC = VREF = 5V
-2.5 fCLK = 200kHz
fSMPL = fSMPL (MAX)
-3
-55 -35 -15
5 25 45
TEMPERATURE (°C)
65 85
LT1286/98 G09
Peak-to-Peak ADC Noise vs
Reference Voltage
2
TA = 25°C
VCC = 5V
fCLK = 200kHz
1.5
1
0.5
0
1
2
3
4
5
REFERENCE VOLTAGE (V)
LT1286/98 G15
Reference Current vs Temperature
95
VCC = VREF = 5V
94.5
fSMPL = 12.5kHz
fCLK = 200kHz
TA = 25°C
94
93.5
93
92.5
92
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
LT1286/98 G07
Change In Linearity vs
Reference Voltage
– 0 .5
– 0 .45
– 0 .4
– 0 .35
TA = 25°C
VCC = 5V
fCLK = 200kHz
fSMPL = 12.5kHz
– 0 .3
– .25
– 0 .2
– 0 .15
– 0 .1
– 0 .05
0
1 1.5 2 2.5 3 3.5 4 4.5 5
REFERENCE VOLTAGE (V)
LT1286/98 G10
Differential Nonlinearity vs Code
1.0
0 . 80
0 . 60
0 . 40
0.20
0.00
– 0 . 20
– 0 . 40
– 0 . 60
– 0 . 80
–1.0
0
2048
CODE
4096
Change in Offset vs
Reference Voltage
3
TA = 25°C
2.5
VCC = 5V
fCLK = 200kHz
fSMPL = 12.5kHz
2
1.5
1
0.5
0
1 1.5 2 2.5 3 3.5 4 4.5 5
REFERENCE VOLTAGE (V)
LT1286/98 G08
Change In Gain vs
Reference Voltage
–10
–9
–8
–7
TA = 25°C
VCC = 5V
fCLK = 200kHz
fSMPL = 12.5kHz
–6
–5
–4
–3
–2
–1
0
1 1.5 2 2.5 3 3.5 4 4.5 5
REFERENCE VOLTAGE (V)
LT1286/98 G11
Effective Bits and S/(N + D)
vs Input Frequency
12
74
11
68
10
62
9
56
8
50
7
44
6
38
5
4
3 TA = 25°C
2
1
VCC = 5V
fCLK = 200kHz
fSMPL = 12.5kHz
0
1
10
100
1000
INPUT FREQUENCY (kHz)
LTC 1286/98 G20
5
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