CS4373 Datasheet, PDF (18/20 Pages) Cirrus Logic – Low-power, High-performance Delta-Sigma Test DAC

CS4373
Pin Name Pin # I/O
Pin Description
ATT2, ATT1, 21, I Attenuation Range Select - Selects the internal attenuation range as detailed in Table 3.
ATT0
22, 23
Attenuation
Selection
ATT2
ATT1
ATT0
1
0
0
0
1/2
0
0
1
1/4
0
1
0
1/8
0
1
1
1/16
1
0
0
1/32
1
0
1
1/64
1
1
0
reserved
1
1
1
Table 3. Attenuator Selection
MODE2,
MODE1,
MODE0
25, I Mode Selection - Determines the operational mode (0 - 7) of the device as detailed in Table 4.
26, 27
Mode Selection
Mode
MODE2 MODE1 MODE0
Test Mode 0
Reserved
0
0
0
Test Mode 1
Sensor Test
0
0
1
Test Mode 2
OUT±
0
1
0
Test Mode 3
BUF±
0
1
1
Test Mode 4
Common Mode
1
0
0
Test Mode 5
High Voltage
1
0
1
Reserved
Reserved
1
1
0
Test Mode 7 Chip Power Down
1
1
1
Table 4. Mode Selection
18
DS577F1