Datasheet

 2011-2013 Microchip Technology Inc. DS40001453E-page 369
PIC16(L)F1847
TABLE 30-16: COMPARATOR SPECIFICATIONS
(1)
TABLE 30-17: DIGITAL-TO-ANALOG CONVERTER (DAC) SPECIFICATIONS
(1)
Operating Conditions (unless otherwise stated)
V
DD = 3.0V, TA = 25°C
Param.
No.
Sym. Characteristics Min. Typ. Max. Units Comments
CM01 V
IOFF
Input Offset Voltage
— ±7.5 ±60 mV CxSP = 1
VICM = VDD/2
CM02 VICM Input Common Mode Voltage 0 — VDD V
CM03 CMRR Common Mode Rejection Ratio — 50 — dB
CM04A
T
RESP
(2)
Response Time Rising Edge — 400 800 ns CxSP = 1
CM04B Response Time Falling Edge — 200 400 ns CxSP = 1
CM04C Response Time Rising Edge — 1200 — ns CxSP = 0
CM04D Response Time Falling Edge — 550 — ns CxSP = 0
CM05 T
MC2OV Comparator Mode Change to
Output Valid*
——10s
CM06 C
HYSTER Comparator Hysteresis —
—
50
10
—
—
mV
mV
CxHYS = 1, CxSP = 1
CxHYS = 1, CxSP = 0
* These parameters are characterized but not tested.
Note 1: See Section 31.0 “DC and AC Characteristics Graphs and Charts” for operating characterization.
2: Response time measured with one comparator input at V
DD/2, while the other input transitions from VSS to
V
DD.
Operating Conditions (unless otherwise stated)
V
DD = 3.0V, TA = 25°C
Param.
No.
Sym. Characteristics Min. Typ. Max. Units Comments
DAC01* C
LSB Step Size — VDD/32 — V
DAC02* CACC Absolute Accuracy — —  1/2 LSb
DAC03* CR Unit Resistor Value (R) — 5000 — 
DAC04* C
ST Settling Time
(2)
——10s
* These parameters are characterized but not tested.
Note 1: See Section 31.0 “DC and AC Characteristics Graphs and Charts” for operating characterization.
2: Settling time measured while DACR<4:0> transitions from ‘0000’ to ‘1111’.