Datasheet

 2011-2013 Microchip Technology Inc. DS40001441D-page 337
PIC12(L)F1840
TABLE 30-10: COMPARATOR SPECIFICATIONS
TABLE 30-11: DIGITAL-TO-ANALOG CONVERTER (DAC) SPECIFICATIONS
Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated).
Param
No.
Sym. Characteristics Min. Typ. Max. Units Comments
CM01 VIOFF
Input Offset Voltage
— ±7.5 ±60 mV CxSP = 1
V
ICM = VDD/2
CM02 V
ICM Input Common Mode Voltage 0 — VDD V
CM03 CMRR Common Mode Rejection Ratio — 50 — dB
CM04A
T
RESP
(1)
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 — 45 — mV CxHYS = 1, CxSP = 1
(Note 2)
* These parameters are characterized but not tested.
Note 1: Response time measured with one comparator input at VDD/2, while the other input transitions from VSS to
V
DD.
2: Comparator Hysteresis is available when the CxHYS bit of the CMxCON0 register is enabled.
Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated).
Param
No.
Sym. Characteristics Min. Typ. Max. Units Comments
DAC01 CLSB Step Size — VDD/32 — V
DAC02 C
ACC Absolute Accuracy — —  1/2 LSb VDD = 3.0V, TA = +25°C
DAC03 C
R Unit Resistor Value (R) — 5K — 
DAC04* CST Settling Time (Note 1) ——10s
* Parameter(s) characterized but not tested.
Note 1: Settling time measured while DACR<4:0> transitions from ‘0000’ to ‘1111’.