Datasheet

ADC1010S_SER All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 2 — 28 December 2010 20 of 39
NXP Semiconductors
ADC1010S series
Single 10-bit ADC; CMOS or LVDS DDR digital outputs
11.3.2 Programmable full-scale
The full-scale is programmable between 1 V (peak-to-peak) to 2 V (peak-to-peak)
(see Table 13
).
Fig 21. Internal reference, 2 V (p-p) full-scale Fig 22. Internal reference, 1 V (p-p) full-scale
Fig 23. External reference, 1 V (p-p) to 2 V (p-p)
full-scale
Fig 24. Internal reference via SPI, 1 V (p-p) to 2 V (p-p)
full-scale
330 pF
VREF
SENSE
005aaa11
6
REFERENCE
EQUIVALENT
SCHEMATIC
330
pF
005aaa11
7
VREF
SENSE
REFERENCE
EQUIVALENT
SCHEMATIC
0.1 μF
VDDA
V
005aaa11
9
VREF
SENSE
REFERENCE
EQUIVALENT
SCHEMATIC
REFERENCE
EQUIVALENT
SCHEMATIC
330 pF
005aaa11
8
VREF
SENSE
Table 13. Reference SPI gain control
INTREF[2:0] Gain (dB) Full-scale (V (p-p))
000 0 2
001 −11.78
010 −21.59
011 −31.42
100 −41.26
101 −51.12
110 −61
111 reserved x