Datasheet

5
LTC1864L/LTC1865L
sn18645L 18645Lfs
TYPICAL PERFOR A CE CHARACTERISTICS
UW
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
SAMPLING FREQUENCY (kHz)
0.1
SUPPLY CURRENT (µA)
1
10
100
1000
0.01 1 10 1000
1864L/65L G01
1864L/65L G02
1864L/65L G03
0.1 100
CONV LOW = 2µs
T
A
= 25°C
V
CC
= 2.7V
TEMPERATURE (°C)
–50
SUPPLY CURRENT (µA)
600
500
400
300
200
100
0
25 75
–25 0
50 100 125
f
S
= 150kHz
V
CC
= 2.7V
V
REF
= 2.5V
TEMPERATURE (°C)
–50
SHUTDOWN CURRENT (µA)
20
15
10
5
0
25 75
–25 0
50 100 125
f
S
= 150kHz
V
CC
= 2.7V
V
REF
= 2.5V
SAMPLING FREQUENCY (kHz)
0
REFERENCE CURRENT (µA)
25
50
75 100
1864L/65L G04
125
10
9
8
7
6
5
4
3
2
1
0
150
CONV LOW = 2µs
T
A
= 25°C
V
CC
= 2.7V
V
REF
= 2.5V
TEMPERATURE (°C)
–50
REFERENCE CURRENT (µA)
25
20
15
10
5
0
25 75
1864L/65L G05
–25 0
50 100 125
f
S
= 150kHz
V
CC
= 2.7V
V
REF
= 2.5V
REFERENCE VOLTAGE (V)
0
REFERENCE CURRENT (µA)
0.5
1.0
2.01.5 3.02.5
1864L/65L G06
3.5
25
20
15
10
5
0
4.0
f
S
= 150kHz
T
A
= 25°C
V
CC
= 3.6V
TEMPERATURE (°C)
–50
ANALOG INPUT LEAKAGE (nA)
100
75
50
25
0
25 75
1864L/65L G09
–25 0
50 100 125
CONV = 0V
V
CC
= 2.7V
V
REF
= 2.5V
CODE
0
INL ERROR (LSBs)
0
2
65536
1865 G02
–2
–4
16384
32768
49152
4
V
CC
= 2.7V
V
REF
= 2.5V
f
S
= 150kHz
CODE
0
DNL ERROR (LSBs)
0
1
65536
1865 G03
–1
–2
16384
32768
49152
2
V
CC
= 2.7V
V
REF
= 2.5V
f
S
= 150kHz