Datasheet

© 2007 Microchip Technology Inc. DS41250F-page 271
PIC16F913/914/916/917/946
TABLE 19-6: COMPARATOR SPECIFICATIONS
TABLE 19-7: COMPARATOR VOLTAGE REFERENCE (CV
REF) SPECIFICATIONS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C ≤ T
A ≤ +125°C
Param
No.
Symbol Characteristics Min. Typ† Max. Units Comments
CM01 V
OS Input Offset Voltage — ± 5.0 ± 10 mV (VDD - 1.5)/2
CM02 VCM Input Common Mode Voltage 0 — VDD – 1.5 V
CM03* C
MRR Common Mode Rejection Ratio +55 — — dB
CM04* TRT 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 - 100 mV to (VDD -1.5)/2+20mV.
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +125°C
Param
No.
Symbol Characteristics Min. Typ† Max. Units Comments
CV01* CLSB Step Size
(2)
—
—
VDD/24
V
DD/32
—
—
V
V
Low Range (VRR = 1)
High Range (VRR = 0)
CV02* C
ACC 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
guidance 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 8.10 “Comparator Voltage Reference” for more information.