Linear Technology LTC2983 - Page 8

LTC2983
8
2983fc
For more information www.linear.com/LTC2983
TYPICAL PERFORMANCE CHARACTERISTICS
Adjacent Channel Offset Error vs
Input Fault Voltage (V
DD
= 5V)
Adjacent Channel Offset Error vs
Input Fault Voltage
CH1 FAULT VOLTAGE (V)
CH2 OFFSET ERROR (µV)
2983 G25
2.5
1.5
2.0
–0.5
0
0.5
1.0
4.95 5.055 5.1 5.2 5.255.15 5.3 5.35
CH1 FAULT VOLTAGE (V)
CH2 OFFSET ERROR (µV)
2983 G26
2.5
1.5
2.0
–0.5
0
0.5
1.0
0 –0.05 –0.1 –0.2 –0.25–0.15 –0.3 –0.35
Offset vs Temperature Noise vs Temperature
I
SLEEP
vs Temperature
One Shot Conversion Current vs
Temperature V
REFOUT
vs Temperature
LTC2983 TEMPERATURE (°C)
OFFSET (µV)
2983 G13
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–50 –25 50 75250 100 125
V
DD
= 5.25V
V
DD
= 4.1V
V
DD
= 2.85V
LTC2983 TEMPERATURE (°C)
NOISE (µV
RMS
)
2983 G14
1.2
1.0
0.8
0.6
0.4
0.2
0
–50 500 25–25 10075 125
V
DD
= 5.25V
V
DD
= 4.1V
V
DD
= 2.85V
LTC2983 TEMPERATURE (°C)
I
SLEEP
(µA)
2983 G15
60
50
40
30
20
10
0
–50 –25 50 75250 100 125
V
DD
= 5.25V
V
DD
= 4.1V
V
DD
= 2.85V
LTC2983 TEMPERATURE (°C)
I
IDLE
(mA)
2983 G16
16.0
15.8
15.6
15.4
15.2
14.8
14.6
14.4
14.2
15.0
0
–50 50250–25 10075 125
V
DD
= 5.25V
V
DD
= 4.1V
V
DD
= 2.85V
Channel Input Leakage Current vs
Temperature
Diode Error and Repeatability vs
Temperature
DIODE TEMPERATURE (°C)
ERROR (°C)
2983 G27
1.0
0.8
0.6
–0.2
–0.4
–0.6
–0.8
0
0.2
0.4
–1.0
–40 20 80 140
TEMPERATURE (°C)
–50
–30
–10
10
30
50
70
90
110
130
2.4995
2.49975
2.5
2.50025
2.5005
V
REFOUT
(V)
REFOUT
2983 G28
125°C
90°C
25°C
–45°C
INPUT VOLTAGE (V)
–1
0
1
2
3
4
5
6
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
INPUT LEAKAGE (nA)
Temperature
2983 G18