DSPIC33FJ64GP706AI/PF 데이터 시트보기 (PDF) - Microchip Technology
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DSPIC33FJ64GP706AI/PF Datasheet PDF : 350 Pages
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dsPIC33FJXXXGPX06A/X08A/X10A
TABLE 25-42: ADC MODULE SPECIFICATIONS (12-BIT MODE)(2)
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
AD25a —
Offset Error
Monotonicity(1)
—
0.9
5
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
—
—
—
— 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 = 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
—
10.5
20
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
AD24a EOFF
AD25a —
Offset Error
Monotonicity(1)
—
3.8
10
LSb VINL = AVSS = VREFL =
0V, AVDD = VREFH = 3.6V
—
—
—
— 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 Band-Width
—
—
250
kHz
—
AD34a ENOB Effective Number of Bits
11.09 11.3
—
bits
—
Note 1: The ADC conversion result never decreases with an increase in the input voltage, and has no missing
codes.
2: Injection currents > | 0 | can affect the ADC results by approximately 4-6 counts.
DS70593C-page 312
© 2011 Microchip Technology Inc.
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