Microchip Technology MA330019-2 Data Sheet

Page of 436
© 2007-2012 Microchip Technology Inc.
DS70292G-page 399
dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
TABLE 31-14: ADC MODULE SPECIFICATIONS
TABLE 31-15: ADC MODULE SPECIFICATIONS (12-BIT MODE)
AC 
CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)
Operating temperature
-40°C 
≤ T
A
 
≤ +150°C for High Temperature
Param 
No.
Symbol
Characteristic
Min
Typ
Max
Units
Conditions
Reference Inputs 
HAD08
I
REF
Current Drain

250
600
50
μA
μA
ADC operating, See Note 1
ADC off, See Note 1
Note 1: These parameters are not characterized or tested in manufacturing.
2: These parameters are characterized, but are not tested in manufacturing.
AC
CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)
Operating temperature
-40°C 
≤ T
A
 
≤ +150°C for High Temperature
Param 
No.
Symbol
Characteristic
Min
Typ
Max
Units
Conditions
ADC Accuracy (12-bit Mode) – Measurements with External V
REF
+/V
REF
-
(1)
HAD20a Nr
Resolution
(3)
12 data bits
bits
HAD21a INL
Integral Nonlinearity
-2
+2
LSb
V
INL
 = AV
SS
 = V
REFL
 = 0V, 
AV
DD
 = V
REFH
 = 3.6V
HAD22a DNL
Differential Nonlinearity
> -1
< 1
LSb
V
INL
 = AV
SS
 = V
REFL
 = 0V, 
AV
DD
 = V
REFH
 = 3.6V
HAD23a G
ERR
Gain Error
-2
10
LSb
V
INL
 = AV
SS
 = V
REFL
 = 0V, 
AV
DD
 = V
REFH
 = 3.6V
HAD24a E
OFF
Offset Error
-3
5
LSb
V
INL
 = AV
SS
 = V
REFL
 = 0V, 
AV
DD
 = V
REFH
 = 3.6V
ADC Accuracy (12-bit Mode) – Measurements with Internal V
REF
+/V
REF
-
(1)
HAD20a Nr
Resolution
(3)
12 data bits
bits
HAD21a INL
Integral Nonlinearity
-2
+2
LSb
V
INL
 = AV
SS
 = 0V, AV
DD
 = 3.6V
HAD22a DNL
Differential Nonlinearity
> -1
< 1
LSb
V
INL
 = AV
SS
 = 0V, AV
DD
 = 3.6V
HAD23a G
ERR
Gain Error
2
20
LSb
V
INL
 = AV
SS
 = 0V, AV
DD
 = 3.6V
HAD24a E
OFF
Offset Error
2
10
LSb
V
INL
 = AV
SS
 = 0V, AV
DD
 = 3.6V
Dynamic Performance (12-bit Mode)
(2)
HAD33a F
NYQ
Input Signal Bandwidth
200
kHz
Note 1: These parameters are characterized, but are tested at 20 ksps only.
2: These parameters are characterized by similarity, but are not tested in manufacturing.
3: Injection currents > | 0 | can affect the ADC results by approximately 4-6 counts.