|
AMC7823_15 Datasheet, PDF (14/55 Pages) Texas Instruments – ANALOG MONITORING AND CONTROL CIRCUIT | |||
|
◁ |
AMC7823
SLAS453F â APRIL 2005 â REVISED MARCH 2012
www.ti.com
TYPICAL CHARACTERISTICS: ANALOG-TO-DIGITAL CONVERTER (ADC) (continued)
At +25°C, AVDD = DVDD = 5V, unless otherwise noted.
GAIN AND OFFSET ERROR
vs
3V SUPPLY
GAIN AND OFFSET ERROR MATCH
vs
3V SUPPLY
12.0
8.0
4.0
VREF = 1.25V
Gain
1.0
VREF = 1.25V
0.8
Gain Match
0.6
0
â4.0
Offset
0.4
Offset Match
â8.0
0.2
â12.0
2.7
2.85
3.0
3.15
3.3
3V Supply Voltage (V)
Figure 15.
0
2.7
2.85
3.0
3.15
3.3
3V Supply Voltage (V)
Figure 16.
2.5004
2.5002
2.5000
2.4998
2.4996
2.4994
2.4992
2.4990
2.5
INTERNAL REFERENCES
vs AVDD VOLTAGE
2.5VREF
1.25VREF
3.0
3.5
4.0
4.5
5.0
AVDD Voltage (V)
Figure 17.
1.2504
1.2502
1.2500
1.2498
1.2496
1.2494
1.2492
1.2490
5.5
2.5V AND 1.25V INTERNAL REFERENCES
vs TEMPERATURE
1.0
AVDD = 5V or 3V
0.5
0
â0.5
â1.0
â1.5
â2.0
2.5VREF
â2.5
â3.0
â3.5
â4.0
â60 â40 â20
0 20 40
Temperature (_C)
1.25VREF
60 80 100
Figure 18.
14
Submit Documentation Feedback
Product Folder Link(s): AMC7823
Copyright © 2005â2012, Texas Instruments Incorporated
|
▷ |