Datasheet

6
LTC2602/LTC2612/LTC2622
2602fa
(LTC2622)
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
Settling to ±1LSB
CODE
0
1024 2048 3072 4095
INL (LSB)
2602 G31
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
V
CC
= 5V
V
REF
= 4.096V
CODE
0 1024 2048 3072 4095
DNL (LSB)
2602 G32
V
CC
= 5V
V
REF
= 4.096V
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
2µs/DIV
2602 G33
V
OUT
1mV/DIV
CS/LD
2V/DIV
V
CC
= 5V, V
REF
= 4.096V
1/4-SCALE TO 3/4-SCALE STEP
R
L
= 2k, C
L
= 200pF
AVERAGE OF 2048 EVENTS
6.8µs
TYPICAL PERFOR A CE CHARACTERISTICS
UW
(LTC2602/LTC2612/LTC2622)
Current Limiting Load Regulation
Offset Error vs Temperature
I
OUT
(mA)
–40
–30 –20 –10 0 10 20 30 40
∆V
OUT
(V)
2602 G01
0.10
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
V
REF
= V
CC
= 5V
V
REF
= V
CC
= 3V
V
REF
= V
CC
= 5V
V
REF
= V
CC
= 3V
CODE = MIDSCALE
I
OUT
(mA)
–35 –25 –15 –5 5 15 25 35
∆V
OUT
(mV)
2602 G02
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
V
REF
= V
CC
= 5V
CODE = MIDSCALE
V
REF
= V
CC
= 3V
TEMPERATURE (°C)
–50
–30 –10 10 30 50 70 90
OFFSET ERROR (mV)
2602 G03
3
2
1
0
–1
–2
–3
Gain Error vs Temperature Offset Error vs V
CC
Zero-Scale Error vs Temperature
TEMPERATURE (°C)
–50
–30 –10 10 30 50 70 90
ZERO-SCALE ERROR (mV)
2602 G04
3
2.5
2.0
1.5
1.0
0.5
0
TEMPERATURE (°C)
–50
–30 –10 10 30 50 70 90
GAIN ERROR (%FSR)
2602 G05
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
V
CC
(V)
2.5 3
3.5 4 4.5 5 5.5
OFFSET ERROR (mV)
2602 G06
3
2
1
0
–1
–2
–3
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