MAX5102 Maxim, MAX5102 Datasheet - Page 7

• Manufacturer Part Number: MAX5102
• Description: +2.7V to +5.5V / Low-Power / Dual / Parallel 8-Bit DAC with Rail-to-Rail Voltage Outputs
• Manufacturer: Maxim

input latches. To avoid output glitches in the MAX5102,
ensure that data is valid before WR goes low. When the
device powers up (i.e., V
internally preset with code 00 hex.
The reference source resistance must be considerably
less than the reference input resistance. To keep within
1LSB error in an 8-bit system, R
R
ensure 8-bit accuracy. If V
to GND with a 0.1µF capacitor. Values greater than this
improve noise rejection.
The voltage applied to REF should not exceed V
any time. If proper power sequencing is not possible,
REF
/256. Hence, maintain a value of R
8-Bit DAC with Rail-to-Rail Voltage Outputs
Applications Information
+2.7V to +5.5V, Low-Power, Dual, Parallel
_______________________________________________________________________________________
DD
REF
ramps up), all latches are
External Reference
is DC only, bypass REF
Power Sequencing
S
must be less than
S
< 1kΩ to
DD
at
connect an external Schottky diode between REF and
V
ratings. Do not apply signals to the digital inputs before
the device is fully powered up.
Digital or AC transient signals on GND can create noise
at the analog output. Return GND to the highest-quality
ground available. Bypass V
located as close to V
Careful PC board ground layout minimizes crosstalk
between the DAC outputs and digital inputs.
TRANSISTOR COUNT: 6848
DD
to ensure compliance with the absolute maximum
Power-Supply Bypassing and
DD
and GND as possible.
DD
Ground Management
Chip Information
with a 0.1µF capacitor,
7