max538bcsat Maxim Integrated Products, Inc., max538bcsat Datasheet - Page 11

• Manufacturer Part Number: max538bcsat
• Description: +5v, Low-power, Voltage-output, Serial 12-bit Dacs
• Manufacturer: Maxim Integrated Products, Inc.

Figure 4. Microwire Connection
Figure 6. Unipolar Configuration (0V to +2.048V Output)
Table 1. Unipolar Binary Code Table
(0V to V
THE DOUT-SI CONNECTION IS NOT REQUIRED FOR WRITING TO THE
DEVICE, BUT MAY BE USED FOR VERIFYING DATA TRANSFER .
1111
1000
1000
0111
0000
0000
MAX531
MAX538
MAX539
33µF
REFIN
INPUT
1111
0000
0000
1111
0000
0000
DOUT
SCLK
REFIN
REFOUT
AGND
DGND
DIN
CS
______________________________________________________________________________________
Output), Gain = +1
1111
0001
0000
1111
0001
0000
0V TO -5V
MAX531
V
+5V
V
SS
DD
BIPOFF
(V
VOUT
REFIN
RFB
(V
(V
(V
(V
SK
SO
I/O
SI
OUTPUT
REFIN
REFIN
REFIN
REFIN
+5V, Low-Power, Voltage-Output,
)
2048
4096
G = +1
MICROWIRE
OV
)
)
)
)
2047
4096
4096
2049
4096
4095
4096
= +V
PORT
1
V
REFIN
OUT
/ 2
Figure 5. SPI/QSPI Connection
Figure 7. Unipolar Configuration (0V to +4.096V Output)
Table 2. Unipolar Binary Code Table
(0V to 2V
THE DOUT-MISO CONNECTION IS NOT REQUIRED FOR WRITING TO THE
DEVICE, BUT MAY BE USED FOR VERIFYING DATA TRANSFER .
1111
1000
1000
0111
0000
0000
MAX531
MAX538
MAX539
Serial 12-Bit DACs
REFIN
33µF
INPUT
1111
0000
0000
1111
0000
0000
DOUT
SCLK
DIN
CS
REFIN
REFOUT
BIPOFF
AGND
DGND
1111
0001
0000
1111
0000
0001
Output), Gain = +2
0V TO -5V
MAX531
V
+5V
V
SS
DD
+2 (V
+2 (V
+2 (V
+2 (V
+2 (V
VOUT
RFB
SCK
MOSI
I/O
MISO
CPOL = 0, CPHA = 0
REFIN
REFIN
OUTPUT
REFIN
REFIN
REFIN
OV
)
)
)
)
)
G = +2
2049
4096
2048
4096
4095
4096
2047
4096
PORT
4096
SPI
1
= +V
V
OUT
REFIN
11