MAX5510/MAX5511
+1.8V to +5.5V, Ultra-Low-Power, 8-Bit,
Voltage-Output DACs
______________________________________________________________________________________
13
CONTROL BITS
INPUT DATA
SUB-BITS
C3
C2
C1
C0
D7–D0
S3–S0
FUNCTION
0
XXXXXXXX
0000
No operation; command is ignored.
0
1
8-bit data
0000
Load input register from shift register; DAC register
unchanged; DAC output unchanged.
0
1
0
Command reserved; do not use.
0
1
Command reserved; do not use.
0
1
0
Command reserved; do not use.
0
1
0
1
Command reserved; do not use.
0
1
0
Command reserved; do not use.
0
1
Command reserved; do not use.
1
0
XXXX XXXX
0000
Load DAC register from input register; DAC output
updated; MAX5510 enters normal operation if in
shutdown; MAX5511 enters normal operation if in
standby or shutdown.
1
0
1
8-bit data
0000
Load input register and DAC register from shift register;
DAC output updated; MAX5510 enters normal operation
if in shutdown; MAX5511 enters normal operation if in
standby or shutdown.
1
0
1
0
Command reserved; do not use.
1
0
1
Command reserved; do not use.
11
0
D7, D6,
XXXXXX
0000
MAX5510 enters shutdown; MAX5511 enters standby*.
For the MAX5511, D7 and D6 configure the internal
reference voltage (Table 3).
11
0
1
D7, D6,
XXXXXX
0000
MAX5510/MAX5511 enter normal operation; DAC output
reflects existing contents of DAC register. For the
MAX5511, D7 and D6 configure the internal reference
voltage (Table 3).
11
1
0
D7, D6,
XXXXXX
0000
MAX5510/MAX5511 enter shutdown; DAC output set to
high impedance. For the MAX5511, D7 and D6 configure
the internal reference voltage (Table 3).
1
8-bit data
0000
Load input register and DAC register from shift register;
DAC output updated; MAX5510 enters normal operation
if in shutdown; MAX5511 enters normal operation if in
standby or shutdown.
Table 2. Serial-Interface Programming Commands
X = Don’t care.
*Standby mode can be entered from normal operation only. It is not possible to enter standby mode from shutdown.
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