PIC14000 Datasheet, PDF (124/153 Pages) Microchip Technology – 28-Pin Programmable Mixed Signal Controller

PIC14000
Standard Operating Conditions (unless otherwise stated)
Operating Temperature: -40°C ≤ TA ≤ +85°C for industrial
0°C ≤ TA ≤ +70°C for commercial
VDD range: 2.7V (min) to 6.0V (max) unless otherwise stated.
Characteristic
Sym.
Min. Typ. Max.
Units
Conditions
Notes
Temperature Sensor (continued)
Output Linearity
lin(temp)
—
TBD —
1
Operating Current (sensor on) idd(temp)
—
150 250 µA TEMPOFF = 0
2
Operating Current (sensor off) idd(temp)
—
0
—
µA TEMPOFF = 1
2
Slope Reference Voltage Divider
Output Voltage (SREFHI)
voh(sref)
1.14 1.19 1.24
V
Output Voltage (SREFLO)
vol(sref)
0.10 0.13 0.16
V
Slope Reference Calibration
Factor
KREF
0.09 0.126 0.16
TA = 25°C, VDD = 5V
KREF Supply Sensitivity
ss(KREF)
—
0.02 — %/V From VDDmin to VDDmax
1
KREF Temperature Coefficient tc(KREF)
—
20
— ppm/°C From Tmin to Tmax
1
Operating Current (A/D on)
idd(sref)
—
55
85
µA ADOFF = 0
2
Operating Current (A/D off)
idd(sref)
—
0
—
µA ADOFF = 1
2
A/D Comparator
Input Offset Voltage
ioff(adc)
-10
2
10
mV Measured over common-mode
range
Input Common Mode Voltage cmr(adc)
0
Range
— VDD-1.4 V
Differential Voltage Gain
gain(adc)
—
100 —
dB
1
Common Mode Rejection Ratio cmrr(adc)
—
80 —
dB VDD = 5V, TA = 25°C, over
1
common-mode range
Power Supply Rejection Ratio psrr(adc)
—
70 —
dB TA = 25°C, VDDmin to VDDmax
1
Operating Current (A/D on)
idd(adc)
—
40
65
µA ADOFF = 0
2
Operating Current (A/D off)
—
0
—
µA ADOFF = 1
2
Programmable Reference(s)
Upper Range
Output Voltage
Coarse Resolution
Fine Resolution
vo(pref)
resc(pref)
resf(pref)
0.627 0.792 0.957
0.418 0.528 0.638
38.0 48.0 58.0
4.0
5.0 6.0
TA = 25°C
V PREFx<7:0> = 7Fh
(127 decimal), max
V PREFx<7:0> = 50h
(80 decimal), min
mV PREFx<2:0> = constant
mV PREFx<7:3> = constant
Middle Range
TA = 25°C
Output Voltage
vo(pref) 0.414 0.523 0.632 V PREFx<7:0> = 4F
(79 decimal), max
0.380 0.480 0.580 V PREFx<7:0> = 00h
(default), mid-point
0.342 0.432 0.522 V PREFx<7:0> = C8h
(200 decimal), min
Coarse Resolution
resc(pref)
3.8
4.8 5.8 mV PREFx<2:0> = constant
Fine Resolution
resf(pref) 0.38 0.46 0.54 mV PREFx<7:3> = constant
1
© 1996 Microchip Technology Inc.
Preliminary
DS40122B-page 124