Rainbow Electronics MAX5259 - Manual (Page 18)

MAX5258/MAX5259
Note: 1LSB = (V REF ) ✕ (2 8 ) = +V REF (1 / 256)
____________________Chip Information
TRANSISTOR COUNT: 13625
PROCESS: BiCMOS
+3V/+5V, Low-Power, 8-Bit Octal DAC
with Rail-to-Rail Output Buffers
18 ______________________________________________________________________________________
DAC A
REFERENCE INPUT
+3V
REF V DD
DAC B
DAC C
DAC D
DAC E
DAC F
DAC G
DAC H
OUT A
OUT B
OUT C
OUT D
OUT E
OUT F
OUT G
OUT H
MAX5258/
MAX5259
Figure 11. Unipolar Output Circuit
DAC CONTENTS
MSB LSB
ANALOG OUTPUT
1111 1111 +V REF (255/256)
1000 0001 +V REF (129/256)
1000 0000 +V REF (128/256) = +V REF /2
0111 1111 +V REF (127/256)
0000 0001 +V REF (1/256)
0000 0000 0
Table 2. Unipolar Code Table