70592C Datasheet, PDF (279/314 Pages) Microchip Technology – High-Performance, 16-bit Microcontrollers

PIC24HJXXXGPX06A/X08A/X10A
TABLE 24-40: ADC MODULE SPECIFICATIONS (12-BIT MODE)⁽¹⁾
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C ≤TA ≤+125°C for Extended
Param
No.
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
—
3.4
10
LSb VINL = AVSS = VREFL = 0V,
AVDD = VREFH = 3.6V
AD24a EOFF
Offset Error
—
0.9
5
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
— 10.5 20 LSb VINL = AVSS = 0V, AVDD = 3.6V
AD24a EOFF
Offset Error
—
3.8
10 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: Injection currents > | 0 | can affect the ADC results by approximately 4-6 counts (i.e., VIH source > (VDD +
0.3) or VIL source < (VSS – 0.3)).
© 2011 Microchip Technology Inc.
DS70592C-page 279