PIC14000-04 Microchip Technology, PIC14000-04 Datasheet - Page 127

• Manufacturer Part Number: PIC14000-04
• Description: 28-Pin Programmable Mixed Signal Controller
• Manufacturer: Microchip Technology

PIC14000
Notes for the analog specifications:
Calculations:
Temperature coefficients are calculated as:
Temperature coefficient for the internal temperature sensor is calculated as:
Temperature coefficients for the bandgap reference and programmable current source are calculated as
Supply sensitivities are calculated as:
Programmable current source output sensitivity is calculated as:
DS40122B-page 127
Standard Operating Conditions (unless otherwise stated)
Operating Temperature:
V
Calibration Accuracy
Slope Reference Ratio
Bandgap Reference Voltage
Temperature Sensor Output
Voltage
Temperature Sensor Slope
Coefficient
Internal Oscillator Frequency
Watchdog Timer Time-out
Period
DD
Note 1: This parameter is characterized but not tested.
Note 2: I
Note 3: Calibration temp accuracy is
Note 4: Guaranteed by design.
Note 5: Refer to AN621 for further information on calibration parameters and accuracy.
range: 2.7V (min) to 6.0V (max) unless otherwise stated.
Characteristic
Parameter
DD
tc = (value @TMAX - value @TMIN) / ((TMAX-TMIN) * Average(value @TMAX,value @TMIN))
tc sensor = (sensor voltage @ TMAX - sensor voltage @ 25
the larger TC from 25
ss = (value@VDDMAX - value@VDDMIN)/((VDDMAX - VDDMIN)*
vs = (value@(VDD - 1.4V) - value @ 0V)/(VDD - 1.4V) *
values of individual analog module cannot be tested independently but are characterized.
Average(value@VDDMAX, value@VDDMIN))
Average(value@(VDD - 1.4V), value @ 0V)
-40 C
0 C
V
Sym.
Sym.
F
T
K
THERM
K
K
TA +85 C for industrial
WDT
OSC
TA +70 C for commercial
REF
BG
TC
C
to either TMIN or TMAX
1 C typical,
Resolution Units
0.015%
Min.
0.33
10.0
10
20
1
Preliminary
Typ.
kHz
V/ C
ms
—
2 C max.
V
V
0.5 ms
0.14%
.02%
.01%
.02%
6.7%
Max.
Typ
Accuracy
Units
Max
—
—
—
—
—
—
C
) / (TMAX - 25
All parameters calibrated at VDD =
5V, TA = 25 C unless noted.
Calibrated at 25 C and Tmax
Conditions
Conditions
1996 Microchip Technology Inc.
C
)
Notes
Notes
3, 5