MAX5312 Maxim Integrated Products, MAX5312 Datasheet - Page 17

• Manufacturer Part Number: MAX5312
• Description: Voltage-Output DAC
• Manufacturer: Maxim Integrated Products

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Figure 5. Unipolar Transfer Function
A single +12V to +15V supply is required to realize a
0 to 10V output swing. A dual ±12V to ±15V supply is
required to realize a ±10V output swing, and allows
unipolar, 0 to +10V output if UNI/BIP is forced high. A
+3V to +5V digital power supply and a +2.000V to
+5.250V external reference voltage are also required.
Always bring up the reference voltage last. The other
power supplies do not require sequencing.
4095
4094
4093
4092
2049
2048
2047
3
2
1
0
1 LSB =
Applications Information
2 x V
4096
______________________________________________________________________________________
±10V, 12-Bit, Serial, Voltage-Output DAC
REF
hex DIGITAL INPUT CODE (LSB)
Power Supplies
Figure 6. Bipolar Transfer Function
Bypass V
AGND, and bypass V
to DGND. Minimize trace lengths to reduce inductance.
Digital and AC transient signals on AGND or DGND can
create noise at the output. Connect AGND and DGND to
the highest quality ground available. Use proper ground-
ing techniques, such as a multilayer board with a low-
inductance ground plane or star connect all ground-
return paths back to AGND. Carefully lay out the traces
between channels to reduce AC crosscoupling and
crosstalk. Wire-wrapped boards, sockets, and bread-
boards are not recommended.
+2047
+2046
+2045
+2044
-2045
-2046
-2047
-2048
+1
-1
0
DD
Power-Supply Bypassing and Ground
1 LSB =
and V
4 x V
4096
SS
REF
hex DIGITAL INPUT CODE (LSB)
CC
with 0.1µF and 1.0µF capacitors to
with 0.1µF and 1.0µF capacitors
Management
17
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