DAC0802 datasheet(6/11 Pages) NSC

6 / 11 page

Typical Applications

DS005686-5

IO +IO = IFS for all logic states

For fixed reference, TTL operation, typical values are:

VREF = 10.000V

RREF = 5.000k

R15

≈ RREF

CC = 0.01 µF

VLC = 0V (Ground)

FIGURE 3. Basic Positive Reference Operation (Note 5)

DS005686-21

FIGURE 4. Recommended Full Scale Adjustment

Circuit (Note 5)

DS005686-16

Note. RREF sets IFS; R15 is for bias current cancellation

FIGURE 5. Basic Negative Reference Operation

(Note 5)

DS005686-17

B1 B2 B3 B4 B5 B6 B7 B8

O mA

OmA

Full Scale

11111111

1.992

0.000

−9.960

0.000

Full Scale−LSB

11111110

1.984

0.008

−9.920

−0.040

Half Scale+LSB

10000001

1.008

0.984

−5.040

−4.920

Half Scale

10000000

1.000

0.992

−5.000

−4.960

Half Scale−LSB

01111111

0.992

1.000

−4.960

−5.000

Zero Scale+LSB

00000001

0.008

1.984

−0.040

−9.920

Zero Scale

00000000

0.000

1.992

0.000

−9.960

FIGURE 6. Basic Unipolar Negative Operation (Note 5)

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