Datasheet

5
LTC1864/LTC1865
18645f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
SAMPLING FREQUENCY (kHz)
0.01
SUPPLY CURRENT (µA)
1000
100
10
1
0.1
0.01
100
1864/65 G01
0.1
1.0
10
1000
V
CC
= 5V
T
A
= 25°C
CONV LOW = 800ns
TEMPERATURE (°C)
–50
SUPPLY CURRENT (µA)
1000
800
600
400
200
0
0
50
75
1864/65 G02
–25
25
100
125
V
CC
= 5V
V
REF
= 5V
f
SAMPLE
= 250kHz
CONV HIGH = 3.2µS
TEMPERATURE (°C)
–50
SLEEP CURRENT (nA)
1000
900
800
700
600
500
400
300
200
100
0
0
50
75
1864/65 G03
–25
25
100
125
CONV = V
CC
= 5V
SAMPLE RATE (kHz)
0
REFERENCE CURRENT (µA)
60
50
40
30
20
10
0
50 100 150 200
1864/65 G04
250
V
CC
= 5V
T
A
= 25°C
V
REF
= 5V
CONV LOW = 800ns
TEMPERATURE (°C)
–50
REFERENCE CURRENT (µA)
55
54
53
52
51
50
49
48
47
46
45
0
50
75
1864/65 G05
–25
25
100
125
V
CC
= 5V
V
REF
= 5V
f
S
= 250kHz
V
REF
(V)
0
REFERENCE CURRENT (µA)
60
50
40
30
20
10
0
1234
1864/65 G06
5
V
CC
= 5V
T
A
= 25°C
f
S
= 250kHz
TEMPERATURE (°C)
–50
ANALOG INPUT LEAKAGE (nA)
100
1864/65 G09
050
100
75
50
25
0
–25 25 75 125
V
CC
= 5V
V
REF
= 5V
CONV = 0V
CODE
0
INL ERROR (LSBs)
65536
1864/65 G07
32768
4
2
0
–2
–4
16384
49152
V
CC
= 5V
T
A
= 25°C
V
REF
= 5V
CODE
0 65536
1864/65 G08
3276816384
49152
DNL ERROR (LSBs)
2
1
0
–1
–2
V
CC
= 5V
T
A
= 25°C
V
REF
= 5V
Supply Current vs Sampling
Frequency
Supply Current vs Temperature
Sleep Current vs Temperature
Reference Current vs
Sampling Rate
Reference Current vs
Temperature
Reference Current vs
Reference Voltage
Typical INL Curve
Typical DNL Curve
Analog Input Leakage Current vs
Temperature