Datasheet

PGA400 EVM User Guide
TI CONFIDENTIAL – NDA Restrictions
Page 32 of 50
7.4.1.1 Activate Analog Test MUX
The “Activate Analog Test MUX” button disables the VOUT1/VOUT2 DACs and activates the
Analog Test MUXes by controlling bits 3 and 4 of TEST register 0x10.
7.4.1.2 TIP_A / TIN_A Combo-Box
The “TIP_A / TIN_A” combo-box is used to select where the TIN and TIP signals get routed
inside the PGA400-Q1 by controlling TEST register 0x08.
7.4.1.3 TOP_A / TON_A Combo-Box
The “TOP_A / TON_A” combo-box is used to select where the VOUT1/VOUT2 signals get
routed inside the PGA400-Q1 by controlling TEST register 0x06.
7.4.2 Digital Test MUX Tab
The Digital Test MUX tab is used to control the settings for the digital test MUXes inside the
PGA400-Q1. Before any changes on the Digital Test MUX tab will take effect, the user must
activate “Restricted Access” mode from the “TEST” tab. An image along with a description of
the controls on this tab can be found below.
Figure 25. Analog Test MUX Tab