Datasheet

92
TMS320F28379S , TMS320F28377S
TMS320F28376S, TMS320F28375S, TMS320F28374S
SPRS881C –AUGUST 2014–REVISED MAY 2016 www.ti.com
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Product Folder Links: TMS320F28379S TMS320F28377S TMS320F28376S TMS320F28375S TMS320F28374S
Specifications Copyright © 2014–2016, Texas Instruments Incorporated
5.8 Analog Peripherals
This analog subsystem module is described in this section.
The analog modules on this device include the ADC, temperature sensor, buffered DAC, and CMPSS.
The analog subsystem has the following features:
• Flexible voltage references
– V
REFHIA
and V
REFLOA
, V
REFHIB
and V
REFLOB
, V
REFHIC
and V
REFLOC
, and V
REFHID
and V
REFLOD
externally
supplied reference voltage pins
• Selectable by ADCs and buffered DACs
– VDAC externally supplied reference voltage pin
• Selectable by buffered DACs and comparator subsystem DACs
• Low reference is V
SSA
• Flexible pin usage
– Buffered DAC and comparator subsystem functions multiplexed with ADC inputs
• Internal connection to V
REFLO
on all ADCs for offset self-calibration
Figure 5-27 shows the Analog Subsystem Block Diagram for the 337-ball ZWT package. Figure 5-28
shows the Analog Subsystem Block Diagram for the 176-pin PTP package. Figure 5-29 shows the Analog
Subsystem Block Diagram for the 100-pin PZP package.