Datasheet

−1.5
−1.2
−0.9
−0.6
−0.3
0
0.3
0.6
0.9
1.2
1.5
0 512 1024 1536 2048 2560 3072 3584 4095
ADC Output Code (LSB)
Integral Nonlinearity (LSB)
G067
−130
−120
−110
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0 50 100 150 200 250 300 350 400 450 500
f
IN
, Input Frequency (kHz)
Amplitude (dB)
G068
3700
3725
3750
3775
3800
3825
3850
3875
3900
−40 −25 −10 5 20 35 50 65 80 95 110 125
Free-Air Temperature (°C)
ADC, Output Code
G069
ADS8634
ADS8638
www.ti.com SBAS541A –MAY 2011– REVISED AUGUST 2011
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, internal reference = 2.5V, channel 0, range = ±2.5V, AVDD = 2.7V, DVDD = 1.8V, HVDD = 10V, HVSS
= –10V, and f
SAMPLE
= 1MSPS, unless otherwise noted.
INL SPECTRAL RESPONSE
Figure 69. Figure 70.
TEMPERATURE SENSOR OUTPUT vs FREE-AIR TEMPERATURE
Figure 71.
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