ADS8402 Datasheet, PDF (19/25 Pages) Burr-Brown (TI) – 16-BIT, 1.25 MSPS, UNIPOLAR DIFFERENTIAL INPUT, MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE

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2.5
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
–2.5
0
16384
TA = 25°C, External Reference = 4.096 V (REFIN)
DNL
32768
Code
Figure 29
ADS8402
SLAS154B – DECEMBER 2002 – REVISED MAY 2003
49152
65536
5
4
3
2
1
–0
–1
–2
–3
–4
–5
0
16384
TA = 25°C, External Reference = 4.096 V (REFIN)
INL
32768
Code
Figure 30
49152
FFT SPECTRUM RESPONSE
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
0
100
200
300
400
500
32768 Points, fS = 1.25 MHz,
Internal Reference = 4.096 V (REFIN),
TA = 25°C, fi = 100 kHz, (+IN– –IN) = Full Scale
Frequency – kHz
Figure 31
65536
600
† _{At –40°C to 85°C, +VA = 5 V, +VBD = 5 V, REFIN = 4.096 V (internal reference used) and fsample = 1.25 MHz (unless otherwise noted)}
19