Datasheet

PIC32MX3XX/4XX
DS61143H-page 160 © 2011 Microchip Technology Inc.
TABLE 29-13: COMPARATOR SPECIFICATIONS
DC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C ≤ TA ≤ +105°C for V-Temp
Param.
No.
Symbol Characteristics Min. Typical Max. Units Comments
D300
V
IOFF Input Offset Voltage
—±7.5±25mV AV
DD = VDD,
AVSS = VSS
D301 VICM Input Common Mode Voltage 0 — VDD VAVDD = VDD,
AVSS = VSS
(Note 2)
D302 CMRR Common Mode Rejection Ratio 55 — — dB Max V
ICM = (VDD - 1)V
(Note 2)
D303 T
RESP Response Time — 150 400 ns AVDD = VDD,
AVSS = VSS
(Notes 1,2)
D304 ON2OV Comparator Enabled to Output
Valid
——10μs Comparator module is
configured before setting
the comparator ON bit.
(Note 2)
D305 IV
REF Internal Voltage Reference 0.57 0.6 0.63 V —
Note 1: Response time measured with one comparator input at (V
DD – 1.5)/2, while the other input transitions
from VSS to VDD.
2: These parameters are characterized but not tested.
TABLE 29-14: VOLTAGE REFERENCE SPECIFICATIONS
DC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C ≤ TA ≤ +105°C for V-Temp
Param.
No.
Symbol Characteristics Min. Typical Max. Units Comments
D310
V
RES Resolution VDD/24 — VDD/32 LSb —
D311 VR
AA Absolute Accuracy — — 1/2 LSb —
D312 T
SET Settling Time
(1)
— — 10 μs—
Note 1: Settling time measured while CVRR = 1 and CVR3:CVR0 transitions from ‘0000’ to ‘1111’. This
parameter is characterized, but not tested in manufacturing.
TABLE 29-15: INTERNAL VOLTAGE REGULATOR SPECIFICATIONS
DC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C ≤ T
A ≤ +105°C for V-Temp
Param.
No.
Symbol Characteristics Min. Typical Max. Units Comments
D320 V
CORE Regulator Output Voltage 1.62 1.80 1.98 V —
D321 CEFC External Filter Capacitor Value 8 10 — μF Capacitor must be low series
resistance (< 1 Ohm)
D322 T
PWRT Power-up Timer Period — 64 — ms ENVREG = 0