DAC8562SDSCT Datasheet, PDF (33/58 Pages) Texas Instruments – DUAL 16-/14-/12-BIT, ULTRALOW-GLITCH, LOW-POWER, BUFFERED, VOLTAGE-OUTPUT DAC WITH 2.5-V, 4-PPM/°C INTERNAL REFERENCE IN SMALL 3-MM × 3-MM SON

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DAC8562, DAC8563
DAC8162, DAC8163
DAC7562, DAC7563
SLAS719D – AUGUST 2010 – REVISED AUGUST 2012
Table 13. Command Matrix for the DAC856x, DAC816x, and DAC756x
DB23-
DB22
Command
C2
C1
C0
X ⁽¹⁾
0
0
0
X
0
1
0
X
0
1
1
X
0
0
1
X
0
0
0
X
1
0
0
X
1
0
0
X
1
0
0
X
1
0
0
X
1
0
1
X
1
1
0
X
1
1
1
Address
A2
A1
A0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
1
1
0
1
0
X
X
X
X
X
X
X
DB15-
DB6
X
X
X
X
Data
DB5
DB4
DB3-
DB2
DB1
16/14/12 bit DAC data
16/14/12 bit DAC data
16/14/12 bit DAC data
16/14/12 bit DAC data
16/14/12 bit DAC data
16/14/12 bit DAC data
16/14/12 bit DAC data
16/14/12 bit DAC data
16/14/12 bit DAC data
X
X
X
0
0
X
1
1
0
0
0
X
1
1
0
0
1
X
1
1
0
1
0
X
1
1
0
1
1
X
1
1
X
X
X
0
0
X
1
1
X
X
X
DB0
DESCRIPTION
Write to DAC-A input register
Write to DAC-B input register
Write to DAC-A and DAC-B input registers
Write to DAC-A input register and update all DACs
Write to DAC-B input register and update all DACs
Write to DAC-A and DAC-B input register and update all DACs
Write to DAC-A input register and update DAC-A
Write to DAC-B input register and update DAC-B
Write to DAC-A and DAC-B input register and update all DACs
Update DAC-A
Update DAC-B
Update all DACs
0 Gain: DAC-B gain = 2, DAC-A gain = 2 (default with internal V_REF)
1 Gain: DAC-B gain = 2, DAC-A gain = 1
0 Gain: DAC-B gain = 1, DAC-A gain = 2
1 Gain: DAC-B gain = 1, DAC-A gain = 1 (power-on default)
1 Power up DAC-A
0 Power up DAC-B
1 Power up DAC-A and DAC-B
1 Power down DAC-A; 1 kΩ to GND
0 Power down DAC-B; 1 kΩ to GND
1 Power down DAC-A and DAC-B; 1 kΩ to GND
1 Power down DAC-A; 100 kΩ to GND
0 Power down DAC-B; 100 kΩ to GND
1 Power down DAC-A and DAC-B; 100 kΩ to GND
1 Power down DAC-A; Hi-Z
0 Power down DAC-B; Hi-Z
1 Power down DAC-A and DAC-B; Hi-Z
0 Reset DAC-A and DAC-B input register and update all DACs
1 Reset all registers and update all DACs (Power-on-reset update)
0 LDAC pin active for DAC-B and DAC-A
1 LDAC pin active for DAC-B; inactive for DAC-A
0 LDAC pin inactive for DAC-B; active for DAC-A
1 LDAC pin inactive for DAC-B and DAC-A
0 Disable internal reference and reset DACs to gain = 1
1 Enable Internal Reference & reset DACs to gain = 2
(1) X' denotes don't care bits.
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