ltc1867l Linear Technology Corporation, ltc1867l Datasheet - Page 6

• Manufacturer Part Number: ltc1867l
• Description: Ltc1863l - Micropower, 3v, 12-bit, 8-channel 175ksps Adcs
• Manufacturer: Linear Technology Corporation

LTC1863L/LTC1867L
TYPICAL PERFOR A CE CHARACTERISTICS
6
2.510
2.505
2.500
2.495
2.485
2.480
2.475
1200
1100
1000
2.490
900
800
700
600
2.7
0
Supply Current vs Supply Voltage
REFCOMP vs Load Current
f
V
SAMPLE
DD
= 2.7V
= 175ksps
0.5
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
–0.25
–0.50
–0.75
–1.00
3
1.00
0.75
0.50
0.25
0
0
Integral Nonlinearity
vs Output Code (LTC1863L)
1
512
3.3
1024
1.5
W
1536
1863L7L G13
1963L7L G10
2048
CODE
U
3.6
2
2560
3072
1250
1500
1000
750
500
–10
1863L7L G16
–5
3584
10
5
0
–50
–50
Supply Current vs Temperature
Offset Drift (LTC1867L)
vs Temperature
f
INTERNAL REF
V
f
EXT V
SAMPLE
SAMPLE
4096
DD
BIPOLAR
MODE
= 2.7V
–25
–25
REF
= 175ksps
= 175ksps
= 1.25V
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
2.7V
3.6V
3.3V
3V
DD
25
25
DD
DD
DD
50
50
–0.25
–0.50
–0.75
–1.00
1.00
0.75
0.50
0.25
UNIPOLAR
MODE
0
0
Differential Nonlinearity
vs Output Code (LTC1863L)
75
75
1863L7L G11
1863L7L G14
512
(LTC1863L/LTC1867L)
100
100
1024
1536
1200
1000
CODE
200
–10
–15
2048
800
600
400
15
10
–5
0
5
0
–50
Gain Error Drift (LTC1867L)
vs Temperature
Histogram for 4096 Conversions
(LTC1867L)
20
2560
7
58
21
–25
3072
170
22
465
1863L7L G17
23
3584
TEMPERATURE (°C)
0
1044
24
4096
895
25
CODE
25
830
26
V
f
EXT V
UNIPOLAR/BIPOLAR
SAMPLE
DD
333
27
= 2.7V
50
REF
V
INTERNAL REF
261
28
DD
= 175ksps
= 1.25V
= 2.7V
23 9
29
75
1863L7L G12
1863L7L G15
30
1863l7lfa
31
1
100