MAX5122 Maxim, MAX5122 Datasheet - Page 17

• Manufacturer Part Number: MAX5122
• Description: +5V/+3V / 12-Bit / Serial / Force/Sense DACs with 10ppm/C Internal Reference
• Manufacturer: Maxim

Table 5. Unipolar Code Table (Gain = +1.6384V/V)
Table 6. Bipolar Code Table (Figure 10)
Figure 11. Daisy-Chaining Multiple Devices with the Digital I/Os DIN/DOUT
MSB
MSB
1111 1111 1111
1000 0000 0001
1000 0000 0000
0111 1111 1111
0000 0000 0001
0000 0000 0000
1111 1111 1111
1000 0000 0001
1000 0000 0000
0111 1111 1111
0000 0000 0001
0000 0000 0000
DAC CONTENTS
DAC CONTENTS
+5V/+3V, 12-Bit, Serial, Force/Sense DACs
______________________________________________________________________________________
SCLK
DIN
CS
LSB
LSB
MAX5122
MAX5123
I
DOUT
SUB-BIT
SUB-BIT
S0
S0
0
0
0
0
0
0
0
0
0
0
0
0
with 10ppm/°C Internal Reference
SCLK
DIN
CS
+1.2207mV
+1.2207mV
+4.99878V
+2.50122V
+2.49878V
+2.49878V
-1.2207mV
MAX5122
MAX5122
-2.49878V
MAX5122
MAX5123
+2.5V
-2.5V
INTERNAL REFERENCE
0V
INTERNAL REFERENCE
0V
II
DOUT
+2.49939V
+1.25061V
+1.24939V
+610.35µV
+1.24939V
+610.35µV
-610.35µV
-1.24939V
MAX5123
MAX5123
+1.25V
-1.25V
ANALOG OUTPUT
ANALOG OUTPUT
0V
0V
SCLK
DIN
CS
MAX5122
MAX5123
III
DOUT
V
V
V
V
EXTERNAL REFERENCE
EXTERNAL REFERENCE
REF
REF
REF
REF
V
REF
V
V
V
V
MAX5122/MAX5123
MAX5122/MAX5123
REF
REF
REF
REF
V
[ {2 (4095 / 4096)} - 1]
[ {2 (2049 / 4096)} - 1]
[ {2 (2048 / 4096)} - 1]
[ {2 (2047 / 4096)} - 1]
REF
[ {2 (1 / 4096)} - 1]
(4095 / 4096) 2
(2049 / 4096) 2
(2048 / 4096) 2
(2047 / 4096) 2
(1 / 4096) 2
TO OTHER
SERIAL DEVICES
-V
REF
0
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