|
AMC7820 Datasheet, PDF (8/28 Pages) Texas Instruments – ANALOG MONITORING AND CONTROL | |||
|
◁ |
TYPICAL CHARACTERISTICS: ADC (Cont.)
At TA = +25°C, +AVDD, BVDD = +5.0V, VREF = Internal +2.5V, unless otherwise noted.
0.030
GAIN ERROR, OFFSET ERROR, INTERNAL VREF
vs AVDD SUPPLY VOLTAGE
(Unbuffered Channels)
0.300
0.025
0.250
0.020
0.015
Internal VREF
0.200
0.150
0.010
0.100
0.005
0.050
0.000
â0.005
Gain
0.000
â0.050
â0.010
â0.015
Offset
â0.100
â0.150
â0.020
â0.200
4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25
Supply Voltge, AVDD (V)
POWER-SUPPLY REJECTION vs FREQUENCY
40
35
30
25
20
15
10
5
0
10
100
1k
10k
100k
1M
AVDD Ripple Frequency (Hz)
INTERNAL REFERENCE VOLTAGE
vs TEMPERATURE
10
5
0
â5
â10
â15
â20
â50
â25
0
25
50
Temperature (°C)
75
100
INTERNAL 2.5V REFERENCE DISTRIBUTION
25
20
15
10
5
0
Internal Reference Voltage (V)
8
AMC7820
www.ti.com
SBAS231B
|
▷ |