Philips Semiconductors

Product data

DAC-08 Series

8-bit high-speed multiplying D/A converter

2001 Aug 03

13

UNIPOLAR VOLTAGE OUTPUT FOR HIGH IMPEDANCE OUTPUT

14

2

4

DAC-08

5k

Ω

5k

Ω

V = 10V

14

2

4

DAC-08

a. Positive Output

a. Negative Output

SL00014

Figure 14. Unipolar Voltage Output for High Impedance Output

BASIC BIPOLAR OUTPUT OPERATION (OFFSET BINARY)

1

1

1

1

0

0

0

1

1

0

0

1

0

0

1

1

0

0

1

0

0

1

1

0

0

1

0

0

1

1

0

0

1

0

0

1

1

0

0

1

0

0

1

1

0

0

1

0

0

1

0

1

0

1

1

0

Positive full-scale

Positive FS – 1LSB

+ Zero-scale + 1LSB

Zero-scale

Zero-scale – 1LSB

Negative full scale – 1LSB

Negative full scale

–9.920V

–9.840V

–0.080V

0.000

0.080

+9.920

+10.000

+10.000

+9.920

+0.160

+0.080

0.000

–9.840

–9.920

B1

B2

B3

B4

B5

B6

B7

B8

VOUT

VOUT

14

2

4

DAC-08

10k

Ω

V = 10V

10k

Ω

SL00015

Figure 15. Basic Bipolar Output Operation (Offset Binary)