Op Amp n Input Multiplexer
Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
MUXNEG[2:0] | MUXPOS[2:0] | ||||||
Access | R/W | R/W | R/W | R/W | R/W | R/W | |
Reset | 0 | 0 | 0 | 0 | 0 | 0 |
Multiplexer for Negative Input
Value | Name | Description |
---|---|---|
0x0 | INN | Negative input pin for OPn |
0x1 | WIP | Wiper from OPn’s resistor ladder |
0x2 | OUT | OPn output (unity gain) |
0x3 | DAC | DAC output (DAC and DAC output buffer must be enabled) |
Other | - | Reserved |
Multiplexer for Positive Input
Value | Name | Description |
---|---|---|
0x0 | INP | Positive input pin for OPn |
0x1 | WIP | Wiper from OPn’s resistor ladder |
0x2 | DAC | DAC output (DAC and DAC output buffer must be enabled) |
0x3 | GND | Ground |
0x4 | VDDDIV2 | VDD/2 |
0x5 | LINKOUT | OP[n-1] output (Setting only available for OP1 and OP2) |
0x6 | LINKWIP | Wiper from OP0’s resistor ladder (Setting only available for OP2) |
Other | - | Reserved |