MAX5893EVKIT Maxim Integrated, MAX5893EVKIT Datasheet - Page 5

• Manufacturer Part Number: MAX5893EVKIT
• Description: Digital to Analog Converters - DAC Evaluation Kit for the MAX5893/MAX5894/MAX5895
• Manufacturer: Maxim Integrated

Specifications of MAX5893EVKIT

• Number Of Converters: 2
• Conversion Rate: 500 MSPs
• Resolution: 12 bit
• Interface Type: Parallel
• Supply Voltage - Max: 1.89 V, 3.465 V
• Supply Voltage - Min: 1.71 V, 3.135 V

Table 1. Digital Input Signals
Note: Pins J3-15, J3-13, J3-9, J3-7, J3-5, J3-3, and J3-1 are not connected. All other pins are connected to GND. Italicized signal
names indicate the default EV kit configuration.
The MAX5893/MAX5894/MAX5895 require a reference
voltage to set the full-scale analog output current. The
DACs contain a stable on-chip bandgap reference of
1.2V that is used by default. The internal reference can
be overdriven by an external reference to enhance
accuracy and drift performance or for gain control.
The MAX5893/MAX5894/MAX5895 EV kits feature multi-
ple reference options. Use the MAX5895 on-chip voltage
reference by removing the shunts from jumpers JU3 and
JU4. Use an external reference by removing the shunts
from jumpers JU3 and JU4 and connecting a stable
voltage reference at the REFIO pad. Install shunts on
jumpers JU3 and JU4 to use the on-board reference
(MAX6161). See Table 2 to configure the shunts across
jumpers JU3 and JU4 and select the source of the refer-
ence voltage.
The MAX5893/MAX5894/MAX5895 require an external
resistor to set the full-scale output current. The full-scale
current is set to 20mA with resistor R5 (2.0kΩ). Replace
resistor R5 to adjust the full-scale output current. Refer
to the Reference Input/Output section in the MAX5895
data sheet to select different values for resistor R5.
_______________________________________________________________________________________________________
J2-39
J2-37
J2-35
J2-33
J2-31
J2-29
J2-27
J2-25
J2-23
J2-21
J2-19
J2-17
J2-15
J2-13
J2-11
J2-9
PIN
MAX5893
ID11
ID10
ID9
ID8
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
—
—
—
—
Reference Voltage Options
SIGNAL NAME I-CHANNEL
MAX5894
Evaluation Systems/Evaluation Kits
ID13
ID12
ID11
ID10
ID9
ID8
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
Full-Scale Current
—
—
MAX5893/MAX5894/MAX5895
MAX5895
ID15
ID14
ID13
ID12
ID11
ID10
ID9
ID8
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
J3-39
J3-37
J3-35
J3-33
J3-31
J3-29
J3-27
J3-25
J3-23
J3-21
J3-19
J3-17
The MAX5893/MAX5894/MAX5895 complementary cur-
rent outputs are terminated into a differential 50Ω resis-
tance to generate a voltage signal with a 1V
tial amplitude. The positive and negative output signals
of the differential signal can be measured at the
OUTIP/OUTIN and OUTQP/OUTQN probe locations.
The differential signal is converted into a 50Ω single-
ended signal with transformers T1 and T2 and can be
measured at the OUTI/OUTQ SMA connectors.
Table 2. Reference Voltage Selection
(JU3, JU4)
J2-7
J2-5
J2-3
J2-1
PIN
POSITIONS
Not installed
Not installed
Installed
SHUNT
DATACLK/QD1
SELIQ/QD11
MAX5893
QD9
QD8
QD7
QD6
QD5
QD4
QD3
QD2
QD1
QD0
—
—
—
—
External 1.25V reference (U2) connected to
MAX5893/MAX5894/MAX5895 REFIO pin.
MAX5893/MAX5894/MAX5895 internal 1.2V
bandgap reference.
User-supplied voltage reference at the
REFIO pad (0.125V to 1.25V).
SIGNAL NAME Q-CHANNEL
VOLTAGE REFERENCE MODE
DATACLK/QD1
SELIQ/QD13
MAX5894
QD11
QD10
QD9
QD8
QD7
QD6
QD5
QD4
QD3
QD2
QD1
QD0
—
—
Differential Output
DATACLK/QD1
SELIQ/QD15
MAX5895
P-P
QD13
QD12
QD11
QD10
QD9
QD8
QD7
QD6
QD5
QD4
QD3
QD2
QD1
QD0
differen-
7