Datasheet

Data Sheet AD5724/AD5734/AD5754
Rev. F | Page 21 of 31
Ideal Output Voltage to Input Code Relationship—AD5754
Table 7. Bipolar Output, Offset Binary Coding
Digital Input Analog Output
MSB LSB ±5 V Output Range ±10 V Output Range ±10.8 V Output Range
1111 1111 1111 1111 +2 × REFIN × (32,767/32,768) +4 × REFIN × (32,767/32,768) +4.32 × REFIN × (32,767/32,768)
1111 1111 1111 1110 +2 × REFIN × (32,766/32,768) +4 × REFIN × (32,766/32,768) +4.32 × REFIN × (32,766/32,768)
… … … … … … …
1000 0000 0000 0001 +2 × REFIN × (1/32,768) +4 × REFIN × (1/32,768) +4.32 × REFIN × (1/32,768)
1000 0000 0000 0000 0 V 0 V 0 V
0111 1111 1111 1111 −2 × REFIN × (1/32,768) −4 × REFIN × (1/32,768) −4.32 × REFIN × (32,766/32,768)
… … … … … … …
0000
0000
0000
0001
−2 × REFIN × (32,767/32,768)
−4 × REFIN × (32,767/32,768)
−4.32 × REFIN × (32,767/32,768)
0000
0000
0000
0000
−2 × REFIN × (32,768/32,768)
−4 × REFIN × (32,768/32,768)
−4.32 × REFIN × (32,768/32,768)
Table 8. Bipolar Output, Twos Complement Coding
Digital Input Analog Output
MSB LSB ±5 V Output Range ±10 V Output Range ±10.8 V Output Range
0111 1111 1111 1111 +2 × REFIN × (32,767/32,768) +4 × REFIN × (32,767/32,768) +4.32 × REFIN × (32,767/32,768)
0111 1111 1111 1110 +2 × REFIN × (32,766/32,768) +4 × REFIN × (32,766/32,768) +4.32 × REFIN × (32,766/32,768)
… … … … … … …
0000
0000
0000
0001
+2 × REFIN × (1/32,768)
+4 × REFIN × (1/32,768)
+4.32 × REFIN × (1/32,768)
0000 0000 0000 0000 0 V 0 V 0 V
1111 1111 1111 1111 −2 × REFIN × (1/32,768) −4 × REFIN × (1/32,768) −4.32 × REFIN × (1/32,768)
… … … … … … …
1000 0000 0000 0001 −2 × REFIN × (32,767/32,768) −4 × REFIN × (32,767/32,768) −4.32 × REFIN × (32,767/32,768)
1000 0000 0000 0000 −2 × REFIN × (32,768/32,768) −4 × REFIN × (32,768/32,768) −4.32 × REFIN × (32,768/32,768)
Table 9. Unipolar Output, Straight Binary Coding
Digital Input
Analog Output
MSB LSB +5 V Output Range +10 V Output Range +10.8 V Output Range
1111 1111 1111 1111 +2 × REFIN × (65,535/65,536) +4 × REFIN × (65,535/65,536) +4.32 × REFIN × (65,535/65,536)
1111 1111 1111 1110 +2 × REFIN × (65,534/65,536) +4 × REFIN × (65,534/65,536) +4.32 × REFIN × (65,534/65,536)
… … … … … … …
1000 0000 0000 0001 +2 × REFIN × (32,769/65,536) +4 × REFIN × (32,769/65,536) +4.32 × REFIN × (32,769/65,536)
1000
0000
0000
0000
+2 × REFIN × (32,768/65,536)
+4 × REFIN × (32,768/65,536)
+4.32 × REFIN × (32,768/65,536)
0111 1111 1111 1111 +2 × REFIN × (32,767/65,536) +4 × REFIN × (32,767/65,536) +4.32 × REFIN × (32,767/65,536)
… … … … … … …
0000 0000 0000 0001 +2 × REFIN × (1/65,536) +4 × REFIN × (1/65,536) +4.32 × REFIN × (1/65,536)
0000 0000 0000 0000 0 V 0 V 0 V
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