PIC24HJ32GP302_11 Datasheet, PDF (320/368 Pages) Microchip Technology – High-Performance, 16-bit Microcontrollers

PIC24HJ32GP302/304, PIC24HJ64GPX02/X04 AND PIC24HJ128GPX02/X04
TABLE 28-40: ADC MODULE SPECIFICATIONS (12-BIT MODE)
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
AD20a Nr
ADC Accuracy (12-bit Mode) – Measurements with external VREF+/VREF-
Resolution⁽¹⁾
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
AD20a Nr
ADC Accuracy (12-bit Mode) – Measurements with internal VREF+/VREF-
Resolution⁽¹⁾
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
10.5 20 LSb VINL = AVSS = 0V, AVDD = 3.6V
AD24a EOFF
Offset Error
2
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 to 6 counts (i.e., VIH source > (VDD +
0.3V) or VIL source < (VSS – 0.3V).
DS70293E-page 320
© 2011 Microchip Technology Inc.