Datasheet

© 2007 Microchip Technology Inc. DS41232D-page 185
PIC12F635/PIC16F636/639
TABLE 15-6: COMPARATOR SPECIFICATIONS
TABLE 15-7: COMPARATOR VOLTAGE REFERENCE (CV
REF) SPECIFICATIONS
TABLE 15-8: PIC12F635/PIC16F636 PLVD CHARACTERISTICS:
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C ≤ T
A ≤ +125°C
Param
No.
Sym Characteristics Min Typ† Max Units Comments
CM01 V
OS Input Offset Voltage — ± 5.0 ± 10 mV (VDD - 1.5)/2
CM02 V
CM Input Common Mode Voltage 0 — VDD – 1.5 V
CM03* CMRR Common Mode Rejection Ratio +55 — — dB
CM04* T
RT Response Time Falling — 150 600 ns (NOTE 1)
Rising — 200 1000 ns
CM05* T
MC2COV Comparator Mode Change to
Output Valid
—— 10 μs
* These parameters are characterized but not tested.
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and
are not tested.
Note 1: Response time is measured with one comparator input at (V
DD -1.5)/2-100mV to (VDD - 1.5)/2 + 20 mV.
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +125°C
Param
No.
Sym Characteristics Min Typ† Max Units Comments
CV01* C
LSB Step Size
(2)
—
—
VDD/24
V
DD/32
—
—
V
V
Low Range (VRR = 1)
High Range (VRR = 0)
CV02* CACC Absolute Accuracy —
—
—
—
± 1/2
± 1/2
LSb
LSb
Low Range (VRR = 1)
High Range (VRR = 0)
CV03* C
R Unit Resistor Value (R) — 2k — Ω
CV04* C
ST Settling Time
(1)
——10μs
* These parameters are characterized but not tested.
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guid-
ance only and are not tested.
Note 1: Settling time measured while VRR = 1 and VR<3:0> transitions from ‘0000’ to ‘1111’.
2: See Section 7.11 “Comparator Voltage Reference” for more information.
DC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C ≤ T
A ≤ +125°C
Operating Voltage V
DD Range 2.0V-5.5V
Sym. Characteristic Min Typ† Max Units Conditions
V
PLVD PLVD
Voltage
LVDL<2:0> = 001 1.900 2.0 2.125 V
LVDL<2:0> = 010 2.000 2.1 2.225 V
LVDL<2:0> = 011 2.100 2.2 2.325 V
LVDL<2:0> = 100 2.200 2.3 2.425 V
LVDL<2:0> = 101 3.825 4.0 4.200 V
LVDL<2:0> = 110 4.025 4.2 4.400 V
LVDL<2:0> = 111 4.325 4.5 4.700 V
*T
PLVDS PLVD Settling time — 50
25
— μsVDD = 5.0V
V
DD = 3.0V
* These parameters are characterized but not tested
† Data in ‘Typ’ column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance only
and are not tested.