Datasheet

MAX5306/MAX5307
Low-Power, Low-Glitch, Octal 12-Bit Voltage-
Output DACs with Serial Interface
8 _______________________________________________________________________________________
16-BIT SERIAL WORD
CONTROL BITS DATA BITS
MSB LSB
C3 C2 C1 C0 D11 D10 D09 D08 D07 D06 D05 D04 D03 D02 D01 D00
DESC. FUNCTION
0000XXXXXXXXXXXX NOPNo Operation
0001XXXXXXXXXXXXRESET
RESET All Internal Registers.
Power-down DACs, outputs pulled
down with 100kΩ. Equivalent to
software CLR.
0010 DAC 1
D11–D0 to Input Register 1, DAC
Output Unchanged
0011 DAC 2
D11–D0 to Input Register 2, DAC
Output Unchanged
0100 DAC 3
D11–D0 to Input Register 3, DAC
Output Unchanged
0101 DAC 4
D11–D0 to Input Register 4, DAC
Output Unchanged
0110 DAC 5
D11–D0 to Input Register 5, DAC
Output Unchanged
0111 DAC 6
D11–D0 to Input Register 6, DAC
Output Unchanged
1000 DAC 7
D11–D0 to Input Register 7, DAC
Output Unchanged
1001 DAC 8
D11–D0 to Input Register 8, DAC
Output Unchanged
1 0 1 0 DAC 1–4
D11–D0 to Input Registers
1–4 and DAC Registers 1–4, DAC
Outputs Updated (Write-Thru).
1 0 1 1 DAC 5–8
D11–D0 to Input Registers
and DAC Registers, DAC Outputs
Updated (Write-Thru).
1 1 0 0 DAC 1–8
D11–D0 to Input Registers
and DAC Registers, DAC Outputs
Updated (Write-Thru).
1 1 0 1 DAC 1–8
D11–D0 to Input Registers, DAC
Outputs Unchanged
1110
DAC
8
DAC
7
DAC
6
DAC
5
DAC
4
DAC
3
DAC
2
DAC
1
XXXXDAC 1–8
Input Registers to DAC Registers
Indicated by Ones, DAC Outputs
Updated, Equivalent to Software
LDAC (No effect on DACs
indicated by 0’s.)
Table 1. Serial Interface Configuration
X = Don’t Care