
© 2013 Microchip Technology Incorporated. All Rights Reserved. 17104 MC2 Slide 44
Advanced Analog
Improved FVR
Consists of two parts
Reference
Buffer
Using Improved Reference to
reduce variation over temp and
voltage
Using auto-zeroing buffer to
improve buffer accuracy
8-bit DAC
Resistive DAC
No output buffer
Output enable
Voltage References
Positive
Negative
1.024V
+
-
Reference
Buffer(s)
Auto-0
ADCFVR
CDAFVR
Auto-0
VREF-
VREF+
AVSS
8-bit DAC
DACOUT
AVDD
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