LTC2453 Datasheet, PDF (5/16 Pages) Linear Technology – Easy-to-Use, Ultra-Tiny, Differential, 16-Bit ADC With I2C Interface

LTC2453
TYPICAL PERFORMANCE CHARACTERISTICS (T_A = 25°C, unless otherwise noted)
Offset Error vs Temperature
5
4
3
V_CC = V_REF+ = 3V
2
V_CC = V_REF+ = 4.1V
1
V_CC = V_REF+ = 5V
0
–1
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2453 G04
Transition Noise vs Output Code
3.0
2.5
2.0 ^{VCC = VREF+ = 3V}
1.5
V_CC = V_REF+ = 5V
1.0
0.5
0
–32768
–16384
0
16384
OUTPUT CODE
32768
2453 G07
Average Power Dissipation vs
Temperature, V_CC = 3V
10000
1000
100
25Hz OUTPUT SAMPLE RATE
10Hz OUTPUT SAMPLE RATE
1Hz OUTPUT SAMPLE RATE
10
Gain Error vs Temperature
5
4
3
V_CC = V_REF+ = 3V
V_CC = V_REF+ = 4.1V
2
1
V_CC = V_REF+ = 5V
0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2453 G05
Conversion Mode Power Supply
Current vs Temperature
1200
60Hz OUTPUT SAMPLE RATE
1000
800
V_CC = 5V
600
V_CC = 3V ^{VCC = 4.1V}
400
200
0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2453 G08
Power Supply Rejection vs
Frequency at V_CC
0
–20
VVVVV^{CRRIINNCEE+–FF=+–}_{==4==12.VV120V.V7V}
–40
–60
–80
1
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2453 G10
–100
1
10 100 1k 10k 100k 1M 10M
FREQUENCY AT V_CC (Hz)
2453 G11
Transition Noise vs Temperature
3.0
2.5
2.0
1.5
V_CC = 4.1V
1.0 _{VCC = 5V VCC = 3V}
0.5
0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2453 G06
Sleep Mode Power Supply
Current vs Temperature
250
200
V_CC = 5V
150
100
V_CC = 4.1V
50
V_CC = 3V
0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2453 G09
Conversion Time vs Temperature
21
20
V_CC = 3V
19
V_CC = 4.1V
18
V_CC = 5V
17
16
15
14
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
2453 G12
2453f
5