AD5724 Просмотр технического описания (PDF) - Analog Devices

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AD5724

Complete, Quad, 12-/14-/16-Bit, Serial Input, Unipolar/Bipolar Voltage Output DACs

Analog Devices 

Data Sheet

AD5724/AD5734/AD5754

Ideal Output Voltage to Input Code Relationship—AD5724

Table 13. Bipolar Output, Offset Binary Coding

Digital Input

MSB

LSB

±5 V Output Range

1111

1111

1111

+2 × REFIN × (2047/2048)

1111

1111

1110

+2 × REFIN × (2046/2048)

…

…

…

…

1000

0000

0001

+2 × REFIN × (1/2048)

1000

0000

0000

0V

0111

1111

1111

−2 × REFIN × (1/2048)

…

…

…

…

0000

0000

0001

−2 × REFIN × (2047/2048)

0000

0000

0000

−2 × REFIN × (2048/2048)

Analog Output

±10 V Output Range

+4 × REFIN × (2047/2048)

+4 × REFIN × (2046/2048)

…

+4 × REFIN × (1/2048)

0V

−4 × REFIN × (1/2048)

…

−4 × REFIN × (2047/2048)

−4 × REFIN × (2048/2048)

±10.8 V Output Range

+4.32 × REFIN × (2047/2048)

+4.32 × REFIN × (2046/2048)

…

+4.32 × REFIN × (1/2048)

0V

−4.32 × REFIN × (1/2048)

…

−4.32 × REFIN × (2047/2048)

−4.32 × REFIN × (2048/2048)

Table 14. Bipolar Output, Twos Complement Coding

Digital Input

MSB

LSB

±5 V Output Range

0111

1111

1111

+2 × REFIN × (2047/2048)

0111

1111

1110

+2 × REFIN × (2046/2048)

…

…

…

…

0000

0000

0001

+2 × REFIN × (1/2048)

0000

0000

0000

0V

1111

1111

1111

−2 × REFIN × (1/2048)

…

…

…

…

1000

0000

0001

−2 × REFIN × (2047/2048)

1000

0000

0000

−2 × REFIN × (2048/2048)

Analog Output

±10 V Output Range

+4 × REFIN × (2047/2048)

+4 × REFIN × (2046/2048)

…

+4 × REFIN × (1/2048)

0V

−4 × REFIN × (1/2048)

…

−4 × REFIN × (2047/2048)

−4 × REFIN × (2048/2048)

±10.8 V Output Range

+4.32 × REFIN × (2047/2048)

+4.32 × REFIN × (2046/2048)

…

+4.32 × REFIN × (1/2048)

0V

−4.32 × REFIN × (1/2048)

…

−4.32 × REFIN × (2047/2048)

−4.32 × REFIN × (2048/2048)

Table 15. Unipolar Output, Straight Binary Coding

Digital Input

MSB

LSB

+5 V Output Range

1111

1111

1111

+2 × REFIN × (4095/4096)

1111

1111

1110

+2 × REFIN × (4094/4096)

…

…

…

…

1000

0000

0001

+2 × REFIN × (2049/4096)

1000

0000

0000

+2 × REFIN × (2048/4096)

0111

1111

1111

+2 × REFIN × (2047/4096)

…

…

…

…

0000

0000

0001

+2 × REFIN × (1/4096)

0000

0000

0000

0V

Analog Output

+10 V Output Range

+4 × REFIN × (4095/4096)

+4 × REFIN × (4094/4096)

…

+4 × REFIN × (2049/4096)

+4 × REFIN × (2048/4096)

+4 × REFIN × (2047/4096)

…

+4 × REFIN × (1/4096)

0V

+10.8 V Output Range

+4.32 × REFIN × (4095/4096)

+4.32 × REFIN × (4094/4096)

…

+4.32 × REFIN × (2049/4096)

+4.32 × REFIN × (2048/4096)

+4.32 × REFIN × (2047/4096)

…

+4.32 × REFIN × (1/4096)

0V

Rev. F | Page 23 of 31

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