DAC312

–9–

REV. C

BASIC CONNECTIONS

Basic Unipolar Operation

Symmetrical Offset Operation

MSB

Code Format

Output Scale

B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12

Straight Binary;

Positive Full-Scale

1111111111

1

1

3.999

0.000

9.9976

Unipolar with True

Positive Full-Scale –LSB

1111111111

1

0

3.998

0.001

9.9951

Input Code, True

LSB

0000000000

0

1

0.001

3.998

0.0024

Zero Output.

Zero-Scale

0000000000

0

0

0.000

3.999

0.0000

Complementary Binary;

Positive Full-Scale

0000000000

0

0

0.000

3.999

9.9976

Unipolar with

Positive full-Scale –LSB

0000000000

0

1

0.001

3.998

9.9951

Complementary Input

LSB

1111111111

1

0

3.998

0.001

0.0024

Code, True Zero Output.

Zero-Scale

1111111111

1

1

3.999

0.000

0.0000

MSB

Code Format

Output Scale

B1

B2

B3 B4 B5 B6

B7 B8 B9 B10 B11 B12

(mA) (mA)

Straight Offset Binary;

Positive Full-Scale

1

1

1

1

1

1

1

1

1

1

1

1

3.999 0.00

9.9976

Symmetrical about Zero, Positive Full-Scale –LSB

1

1

1

1

1

1

1

1

1

1

1

0

3.998 0.001

9.9927

No True Zero Output.

(+) Zero-Scale

1

0

0

0

0

0

0

0

0

0

0

0

2.000 1.999

0.0024

(–) Zero-Scale

0

1

1

1

1

1

1

1

1

1

1

1

1.999 2.000

–0.0024

Negative Full-Scale –LSB 0

0

0

0

0

0

0

0

0

0

0

1

0.001 3.998

–9.9927

Negative Full-Scale

0

0

0

0

0

0

0

0

0

0

0

0

0.000 3.999

–9.9976

1s Complement;

Positive Full-Scale

0

1

1

1

1

1

1

1

1

1

1

1

3.999 0.000

9.9976

Symmetrical about Zero, Positive Full-Scale –LSB

0

1

1

1

1

1

1

1

1

1

1

0

3.998 0.001

9.9927

No True Zero Output.

(+) Zero-Scale

0

0

0

0

0

0

0

0

0

0

0

0

2.000 1.999

0.0024

MSB Complemented

(–) Zero-Scale

1

1

1

1

1

1

1

1

1

1

1

1

1.999 2.000

–0.0024

(Need Inverter at B1).

Negative Full-Scale –LSB 1

0

0

0

0

0

0

0

0

0

0

1

0.001 3.998

–9.9927

Negative Full-Scale

1

0

0

0

0

0

0

0

0

0

0

0

0.000 3.999

–9.9976