AD9106 Datasheet, PDF (42/48 Pages) Analog Devices – Quad, Low Power, 12-Bit, 180 MSPS, Digital-to-Analog Converter and Waveform Generator

AD9106
DAC4 Digital Gain Register (DAC4_DGAIN, Address 0x32)
Table 50. Bit Descriptions for DAC4_DGAIN
Bits Bit Field Name Settings Description
[15:4] DAC4_DIG_GAIN
DAC4 digital gain range of +2 to −2.
[3:0] RESERVED
DAC3 Digital Gain Register (DAC3_DGAIN, Address 0x33)
Table 51. Bit Descriptions for DAC3_DGAIN
Bits Bit Field Name Settings Description
[15:4] DAC3_DIG_GAIN
DAC3 digital gain. Range of +2 to −2.
[3:0] RESERVED
DAC2 Digital Gain Register (DAC2_DGAIN, Address 0x34)
Table 52. Bit Descriptions for DAC2_DGAIN
Bits Bit Field Name Settings Description
[15:4] DAC2_DIG_GAIN
DAC2 digital gain. Range of +2 to −2.
[3:0] RESERVED
DAC1 Digital Gain Register (DAC1_DGAIN, Address 0x35)
Table 53. Bit Descriptions for DAC1_DGAIN
Bits Bit Field Name Settings Description
[15:4] DAC1_DIG_GAIN
DAC1 digital gain. Range of +2 to −2.
[3:0] RESERVED
DAC3/4 Sawtooth Configuration Register (SAW4_3CONFIG, Address 0x36)
Table 54. Bit Descriptions for SAW4_3CONFIG
Bits Bit Field Name Settings Description
[15:10] SAW_STEP4
Number of samples per step for DAC4.
[9:8] SAW_TYPE4
The type of sawtooth (positive, negative, or triangle) for DAC4.
0
Ramp up saw wave.
1
Ramp down saw wave.
2
Triangle saw wave.
3
No wave, zero.
[7:2] SAW_STEP3
Number of samples per step for DAC3.
[1:0] SAW_TYPE3
The type of sawtooth (positive, negative, or triangle) for DAC3.
0
Ramp up saw wave.
1
Ramp down saw wave.
2
Triangle saw wave.
3
No wave, zero.
DAC1/2 Sawtooth Configuration Register (SAW2_1CONFIG, Address 0x37)
Table 55. Bit Descriptions for SAW2_1CONFIG
Bits Bit Field Name Settings Description
[15:10] SAW_STEP2
Number of samples per step for DAC2.
[9:8] SAW_TYPE2
The type of sawtooth (positive, negative, or triangle) for DAC2.
0
Ramp up saw wave.
1
Ramp down saw wave.
2
Triangle saw wave.
3
No wave, zero.
Rev. A | Page 42 of 48
Data Sheet
Reset
0x000
0x0
Access
RW^E
A
RWE
A
Reset
0x000
0x0
Access
RW^E
A
RWE
A
Reset
0x000
0x0
Access
RW^E
A
RWE
A
Reset
0x000
0x0
Access
RW^E
A
RWE
A
Reset
0x01
0x0
Access
RW^E
A
RWE
A
0x01
RW^E
A
0x0
RW^E
A
Reset
0x01
0x0
Access
RW^E
A
RWE
A