Datasheet

© 2007 Microchip Technology Inc. DS41268D-page 89
PIC12F510/16F506
TABLE 13-1: COMPARATOR SPECIFICATIONS
TABLE 13-2: COMPARATOR VOLTAGE REFERENCE (CV
REF) SPECIFICATIONS
TABLE 13-3: A/D CONVERTER CHARACTERISTICS (PIC16F506/PIC12F510)
Sym Characteristics Min Typ Max Units Comments
V
OS Input Offset Voltage ±3 ±10 mV (VDD - 1.5V)/2
V
CM Input Common Mode Voltage 0 VDD – 1.5 V
C
MRR Common Mode Rejection Ratio +55* dB
TRT Response Time
(1)
150 400* ns Internal
VIVRF Internal Voltage Reference 0.550 0.6 0.650 V
* These parameters are characterized but not tested.
Note 1: Response time measured with one comparator input at (V
DD – 1.5)/2, while the other input transitions
from V
SS to VDD – 1.5V.
Sym Characteristics Min Typ Max Units Comments
CV
RES Resolution
VDD/24*
V
DD/32
LSb
LSb
Low Range (V
RR = 1)
High Range (V
RR = 0)
Absolute Accuracy
±1/2*
±1/2*
LSb
LSb
Low Range (VRR = 1)
High Range (V
RR = 0)
Unit Resistor Value (R)
2K* Ω
Settling Time
(1)
——10*μs
* These parameters are characterized but not tested.
Note 1: Settling time measured while VRR = 1 and VR<3:0> transitions from 0000 to 1111.
Param
No.
Sym Characteristic Min Typ† Max Units Conditions
A01 N
R Resolution 8 bits bit
A03 EIL Integral Error ± 1.5 LSb VDD = 5.0V
A04 E
DL Differential Error -1 < EDL 1.5 LSb No missing codes to
8 bits V
DD = 5.0V
A05 EFS Full-scale Range 2 5.5* V VDD
A06 EOFF Offset Error ± 1.5 LSb VDD = 5.0V
A07 EGN Gain Error -0.5 +1.75 LSb VDD = 5.0V
A10 Monotonicity guaranteed
(1)
——VSS VAIN VDD
A25 VAIN Analog Input Voltage VSS —VDD V
A30 ZAIN Recommended Impedance
of Analog Voltage Source
—— 10 kΩ
* These parameters are characterized but not tested.
Data in the “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design
guidance only are not tested.
Note 1: The A/D conversion result never decreases with an increase in the input voltage and has no missing
codes.