Datasheet

© 2007-2012 Microchip Technology Inc. DS70292G-page 387
dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
TABLE 30-47: COMPARATOR TIMING SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C for Industrial
-40°C ≤TA ≤+125°C for Extended
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
300 TRESP Response Time
(1,2)
— 150 400 ns —
301 T
MC2OV Comparator Mode Change
to Output Valid
(1)
——10μs—
Note 1: Parameters are characterized but not tested.
2: Response time measured with one comparator input at (V
DD - 1.5)/2, while the other input transitions from
VSS to VDD.
TABLE 30-48: COMPARATOR MODULE SPECIFICATIONS
DC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C for Industrial
-40°C ≤T
A ≤+125°C for Extended
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
D300 V
IOFF Input Offset Voltage
(1)
—±10—mV —
D301 VICM Input Common Mode Voltage
(1)
0—AVDD-1.5V V —
D302 CMRR Common Mode Rejection Ratio
(1)
-54 — — dB —
Note 1: Parameters are characterized but not tested.
TABLE 30-49: COMPARATOR REFERENCE VOLTAGE SETTLING TIME SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C for Industrial
-40°C ≤TA ≤+125°C for Extended
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
VR310 TSET Settling Time
(1)
——10μs—
Note 1: Settling time measured while CVRR = 1 and CVR3:CVR0 bits transition from ‘0000’ to ‘1111’.
TABLE 30-50: COMPARATOR REFERENCE VOLTAGE SPECIFICATIONS
DC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C for Industrial
-40°C ≤T
A ≤+125°C for Extended
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
VRD310 CV
RES Resolution CVRSRC/24 — CVRSRC/32 LSb —
VRD311 CVR
AA Absolute Accuracy — — 0.5 LSb —
VRD312 CVR
UR Unit Resistor Value (R) — 2k — Ω —