Datasheet

ManualsBrandsLINEAR TECHNOLOGY ManualsData collecting ICsData acquisition IC - DA converter (DAC) SC 70 6

LTC2630

18

2630ff

2630 F04

INPUT CODE

(b)

OUTPUT

VOLTAGE

NEGATIVE

OFFSET

0V

0V

2,0480 4,095

INPUT CODE

OUTPUT

VOLTAGE

(a)

V

REF

= V

CC

V

REF

= V

CC

(c)

INPUT CODE

OUTPUT

VOLTAGE

POSITIVE

FSE

operation

Figure 4. Effects of Rail-to-Rail Operation on a DAC Transfer Curve (Shown for 12-Bits).

(a) Overall Transfer Function

(b) Effect of Negative Offset for Codes Near Zero

(c) Effect of Positive Full-Scale Error for Codes Near Full Scale