MAX32600 User’s Guide
Analog Front End
8.2 AFE Reconfiguration Matrix
Connects the positive (noninverting) input of op amp C internally as follows.
• 0: Connected to pin INC+
• 1: Connected to the output from DAC
• 2: Connected to pin SNO[0-3] or to high impedance (as selected by AFE_CTRL2.sno_or_sel)
• 3: Connected to both pin INC+ AND the DAC[0-3] output
Note
Setting 3 connects an unbuffered DAC output directly to pin INC+. This setting must not be used when AFE_CTRL3.gnd_sel_opamp_c is set to 1,
since this connects INC+ directly to ground and so would effectively short the DAC output to ground.
AFE_CTRL4.p_in_sel_opamp_d
Field
Bits
Default
Access
Description
p_in_sel_opamp_d
7:6
00b
R/W
Op Amp D Positive Input Select
Connects the positive (noninverting) input of op amp D internally as follows.
• 0: Connected to pin IND+
• 1: Connected to the output from DAC
• 2: Connected to pin SNO[0-3] or to high impedance (as selected by AFE_CTRL2.sno_or_sel)
• 3: Connected to both pin IND+ AND the DAC[0-3] output
Note
Setting 3 connects an unbuffered DAC output directly to pin IND+. This setting must not be used when AFE_CTRL3.gnd_sel_opamp_d is set to 1,
since this connects IND+ directly to ground and so would effectively short the DAC output to ground.
AFE_CTRL4.n_in_sel_opamp_a
Field
Bits
Default
Access
Description
n_in_sel_opamp_a
9:8
00b
R/W
Op Amp A Negative Input Select
Rev.1.3 April 2015
Maxim Integrated
Page 391
Содержание MAX32600
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