MAX5183EVKIT Maxim Integrated, MAX5183EVKIT Datasheet - Page 3

• Manufacturer Part Number: MAX5183EVKIT
• Description: Digital to Analog Converters - DAC Evaluation Kit for the MAX5180 MAX5182 MAX5183 MAX5185 MAX5186 MAX5188 MAX5189 MAX5191
• Manufacturer: Maxim Integrated

Specifications of MAX5183EVKIT

• Number Of Converters: 2
• Resolution: 10 bit
• Interface Type: Parallel
• Supply Voltage - Max: 3.3 V
• Supply Voltage - Min: 2.7 V

The MAX5183 family features an on-chip 1.2V precision
bandgap reference, which can be activated by connecting
the reference enable pin REN to DGND. For this purpose,
jumper JU15 must remain in location 2-3 (Table 1), which is
the default location used when the board is shipped.
To disable the internal reference, connect REN to DVDD
by placing jumper JU15 in location 1-2. A temperature-
stable external reference may now be applied at the
REFO pad to set the full-scale current/voltage output.
To place the DAC in standby mode (Table 2), connect
digital inputs PD and DACEN to DGND by setting
jumpers JU13 and JU14 to locations 2-3. In standby, both
the reference and the control amplifier are active, with the
current array inactive. To exit this condition, pull DACEN
high with PD held at DGND by leaving jumper JU14 in
location 2-3 and changing jumper JU13 to location 1-2.
For lowest power consumption, the MAX5183 EV kit
provides a shutdown mode (Table 2) in which the refer-
ence, control amplifier, and current array are inactive
and the converter’s supply current is reduced to 1µA.
To enter this mode, connect PD to DVDD by changing
jumper JU14 to location 1-2. To return to active mode,
connect PD to DGND by changing jumper JU14 to
location 2-3, and connect DACEN to DVDD by chang-
ing jumper JU13 to location 1-2.
The EV kit features separate analog (AVDD) and digital
(DVDD) power and ground connections for best dynam-
ic performance. A 2.7V to 3.3V source connected to
AVDD and DVDD is required for normal operation. It is
not necessary to connect the analog and digital grounds
together externally. The two grounds are connected
together at a single point on the MAX5183 EV kit (at fer-
rite bead L1). An additional ±5V source is required when
using the differential to single-ended operational amplifi-
er conversion circuitry. Connect the +5V terminal to the
VCC pad and the -5V terminal to the VEE pad. Connect
the ground terminal to the AGND pad.
The MAX5183 EV kit may be used to evaluate other
MAX518x family 8-bit and 10-bit dual DACs. The
changes required for this are listed in Table 5.
When evaluating the MAX5186/MAX5189 (dual, 8-bit
DACs with simultaneous update) and the MAX5188/
MAX5191 (dual, 8-bit DACs with alternate-phase
update), input data bits D0 and D1 must be connected
to DGND to ensure proper operation. Install shunts on
jumpers JU1 and JU2 to connect D0 and D1 to GND.
Evaluating the MAX518x Family
_______________________________________________________________________________________
DAC Reference Options
Shutdown Mode
Power Supplies
Standby Mode
MAX5183 Evaluation Kit
Table 1. Selecting Reference Mode
*Indicates default jumper state
Table 2. Selecting Operating Mode
X = Don’t care
*Indicates default jumper state
Table 3. Single-Ended Signal for DAC1
Selection
Table 4. Single-Ended Signal for DAC2
Selection
POSITION
POSITION
PD JUMPER (JU14)
(JU15) POSITION
JU16
JU18
REN JUMPER
1-2
2-3
1-2
2-3
POSITION
2-3*
2-3*
1-2
2-3
1-2
POSITION
POSITION
JU17
JU19
1-2
2-3
1-2
2-3
(JU13) POSITION
Connect external precision reference
at REFO.
Internal 1.2V bandgap reference active
DACEN JUMPER
DAC1 differential output converted
to single-ended signal using
transformer configuration available
at VOUT1 SMA connector
DAC1 differential output converted
to single-ended signal using
operational amplifier configuration
available at VOUT1A SMA connector
DAC2 differential output converted
to single-ended signal using
transformer configuration available
at VOUT2 SMA connector
DAC2 differential output converted
to single-ended signal using
operational amplifier configuration
available at VOUT2A SMA connector
1-2*
2-3
X
REFERENCE MODE
EV KIT FUNCTION
EV KIT FUNCTION
Normal operation
OPERATING
Shutdown
Standby
MODE
3