Owner manual

ManualsBrandsRainbow Electronics ManualsSensorsMAX5548

MAX5548

Dual, 8-Bit, Programmable, 30mA

High-Output-Current DAC

______________________________________________________________________________________ 13

SERIAL DATA INPUT

C5 C4 C3 C2 C1 C0 D7–D0, S1 AND S0

FUNCTIONS

000000 XXXXXXXXXX No operation.

000001 8-bit DAC data

Load DAC data to both DAC registers and both input registers from the

shift register.

000010 8-bit DAC data Load DAC register A and input register A from the shift register.

000011 8-bit DAC data Load DAC register B and input register B from the shift register.

000100 8-bit DAC data

Load both channel input registers from the shift register; both DAC

registers are unchanged.

000101 8-bit DAC data

Load input register A from the shift register; DAC register A is

unchanged.

000110 8-bit DAC data

Load input register B from the shift register; DAC register B is

unchanged.

000111 XXXXXXXXXX Update both DAC registers from their corresponding input registers.

001001 XXXXXXXXXX Update DAC register A from input register A.

001010 XXXXXXXXXX Update DAC register B from input register B.

001011 XXXXXXXXXX Internal reference mode.

001100 XXXXXXXXXX External reference mode (default mode at power-up).

001101 XXXXXXXXXX Shut down both DACs.

001110 XXXXXXXXXX Shut down DACA.

001111 XXXXXXXXXX Shut down DACB.

010000 XXXXXXXXXX

DACA 1mA–2mA full-scale current range mode (default mode at

power-up)

010001 XXXXXXXXXX DACA 1.5mA–3mA full-scale current range mode.

010010 XXXXXXXXXX DACA 2.5mA–5mA full-scale current range mode.

010011 XXXXXXXXXX DACA 4.5mA–9mA full-scale current range mode.

010100 XXXXXXXXXX DACA 8mA–16mA full-scale current range mode.

010101 XXXXXXXXXX DACA 15mA–30mA full-scale current range mode.

101101 XXXXXXXXXX Power up both channels of the DACs.

101110 XXXXXXXXXX Power up DACA.

101111 XXXXXXXXXX Power up DACB.

110000 XXXXXXXXXX

DACB 1mA–2mA full-scale current range mode (default mode at

power-up)

110001 XXXXXXXXXX DACB 1.5mA–3mA full-scale current range mode.

110010 XXXXXXXXXX DACB 2.5mA–5mA full-scale current range mode.

110011 XXXXXXXXXX DACB 4.5mA–9mA full-scale current range mode.

110100 XXXXXXXXXX DACB 8mA–16mA full-scale current range mode.

110101 XXXXXXXXXX DACB 15mA–30mA full-scale current range mode.

Table 4. Command Summary