Datasheet

AD5724/AD5734/AD5754
Rev. D | Page 22 of 32
Ideal Output Voltage to Input Code Relationship—AD5734
Table 10. Bipolar Output, Offset Binary Coding
Digital Input Analog Output
MSB LSB ±5 V Output Range ±10 V Output Range ±10.8 V Output Range
11 1111 1111 1111 +2 × REFIN × (8191/8192) +4 × REFIN × (8191/8192) +4.32 × REFIN × (8191/8192)
11 1111 1111 1110 +2 × REFIN × (8190/8192) +4 × REFIN × (8190/8192) +4.32 × REFIN × (8190/8192)
… … … … … … …
10 0000 0000 0001 +2 × REFIN × (1/8192) +4 × REFIN × (1/8192) +4.32 × REFIN × (1/8192)
10 0000 0000 0000 0 V 0 V 0 V
01 1111 1111 1111 −2 × REFIN × (1/8192) −4 × REFIN × (1/8192) −4.32 × REFIN × (1/8192)
… … … … … … …
00 0000 0000 0001 −2 × REFIN × (8190/8192) −4 × REFIN × (8190/8192) −4.32 × REFIN × (8190/8192)
00 0000 0000 0000 −2 × REFIN × (8191/8191) −4 × REFIN × (8191/8192) −4.32 × REFIN × (8191/8192)
Table 11. Bipolar Output, Twos Complement Coding
Digital Input Analog Output
MSB LSB ±5 V Output Range ±10 V Output Range ±10.8 V Output Range
01 1111 1111 1111 +2 × REFIN × (8191/8192) +4 × REFIN × (8191/8192) +4.32 × REFIN × (8191/8192)
01 1111 1111 1110 +2 × REFIN × (8190/8192) +4 × REFIN × (8190/8192) +4.32 × REFIN × (8190/8192)
… … … … … … …
00 0000 0000 0001 +2 × REFIN × (1/8192) +4 × REFIN × (1/8192) +4.32 × REFIN × (1/8192)
00 0000 0000 0000 0 V 0 V 0 V
11 1111 1111 1111 −2 × REFIN × (1/8192) −4 × REFIN × (1/8192) −4.32 × REFIN × (1/8192)
… … … … … … …
10 0000 0000 0001 −2 × REFIN × (8190/8192) −4 × REFIN × (8190/8192) −4.32 × REFIN × (8190/8192)
10 0000 0000 0000 −2 × REFIN × (8191/8192) −4 × REFIN × (8191/8192) −4.32 × REFIN × (8191/8192)
Table 12. Unipolar Output, Straight Binary Coding
Digital Input Analog Output
MSB LSB +5 V Output Range +10 V Output Range +10.8 V Output Range
11 1111 1111 1111 +2 × REFIN × (16,383/16,384) +4 × REFIN × (16,383/16,384) +4.32 × REFIN × (16,383/16,384)
11 1111 1111 1110 +2 × REFIN × (16,382/16,384) +4 × REFIN × (16,382/16,384) +4.32 × REFIN × (16,382/16,384)
… … … … … … …
10 0000 0000 0001 +2 × REFIN × (8193/16,384) +4 × REFIN × (8193/16,384) +4.32 × REFIN × (8193/16,384)
10 0000 0000 0000 +2 × REFIN × (8192/16,384) +4 × REFIN × (8192/16,384) +4.32 × REFIN × (8192/16,384)
01 1111 1111 1111 +2 × REFIN × (8191/16,384) +4 × REFIN × (8191/16,384) +4.32 × REFIN × (8191/16,384)
… … … … … … …
00 0000 0000 0001 +2 × REFIN × (1/16,384) +4 × REFIN × (1/16,384) +4.32 × REFIN × (1/16,384)
00 0000 0000 0000 0 V 0 V 0 V