DSPIC33EPXXX806 Datasheet, PDF (553/614 Pages) Microchip Technology – 16-bit Microcontrollers and Digital Signal Controllers (up to 512 KB Flash and 52 KB SRAM) with High-Speed PWM, USB, and Advanced Analog

dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
TABLE 32-55: ADC MODULE SPECIFICATIONS (12-BIT MODE)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V (see Note 3)
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C ≤TA ≤+125°C for Extended
Param. Symbol
Characteristic
Min. Typ. Max. Units
Conditions
ADC Accuracy (12-bit Mode) – Measurements with external VREF+/VREF-
AD20a Nr
Resolution
12 data bits
bits
—
AD21a INL
Integral Nonlinearity
-2
—
+2
LSb VINL = AVSS = VREFL = 0V, AVDD
= VREFH = 3.6V
AD22a DNL
Differential Nonlinearity
>-1
—
<1
LSb VINL = AVSS = VREFL = 0V, AVDD
= VREFH = 3.6V
AD23a GERR Gain Error
1.25 1.5
3
LSb VINL = AVSS = VREFL = 0V, AVDD
= VREFH = 3.6V
AD24a EOFF Offset Error
1.25 1.52
2
LSb VINL = AVSS = VREFL = 0V, AVDD
= VREFH = 3.6V
AD25a —
Monotonicity
—
—
—
— Guaranteed
ADC Accuracy (12-bit Mode) – Measurements with internal VREF+/VREF-
AD20a Nr
Resolution
12 data bits
bits
—
AD21a INL
Integral Nonlinearity
-2
—
+2 LSb VINL = AVSS = 0V, AVDD = 3.6V
AD22a DNL
Differential Nonlinearity
>-1
—
<1 LSb VINL = AVSS = 0V, AVDD = 3.6V
AD23a GERR Gain Error
2
3
7
LSb VINL = AVSS = 0V, AVDD = 3.6V
AD24a EOFF Offset Error
2
3
5
LSb VINL = AVSS = 0V, AVDD = 3.6V
AD25a —
Monotonicity
—
—
—
— Guaranteed
Dynamic Performance (12-bit Mode)
AD30a THD
Total Harmonic Distortion —
—
-75 dB
—
AD31a SINAD Signal to Noise and
68.5 69.5 —
dB
—
Distortion
AD32a SFDR Spurious Free Dynamic
80
—
—
dB
—
Range
AD33a FNYQ Input Signal Bandwidth
—
— 250 kHz
—
AD34a ENOB Effective Number of Bits 11.09 11.3 — bits
—
Note 1: Device is functional at VBORMIN < VDD < VDDMIN. Analog modules: ADC, Comparator, and DAC will have
degraded performance. Device functionality is tested but not characterized. Refer to parameter BO10 in
Table 32-11 for the minimum and maximum BOR values.
© 2009-2012 Microchip Technology Inc.
Preliminary
DS70616F-page 553