Datasheet
PIC14000
DS40122B-page 125
Preliminary
1996 Microchip Technology Inc.
Programmable Reference(s) (continued)
Lower Range
Output Voltage
Coarse Resolution
Fine Resolution
vo(pref)
resc(pref)
resf(pref)
0.304
0.114
38.0
4.0
0.384
0.144
48.0
5.0
0.464
0.174
58.0
6.0
V
V
mV
mV
TA = 25
°
C
PREFx<7:0> = D7h
(215 decimal), max
PREFx<7:0> = F8h
(248 decimal), min
PREFx<2:0> = constant
PREFx<7:3> = constant
Relative accuracy (linearity
error)
racc(pref)
−
1/2 —
+
1/2 lsb lsb = resolution within selected
range
Settling Time to <
±
1/2 LSB ts(pref) — 1 10
µ
S PREFx<7:0> transition from 7Fh to
FFh
1
Temperature Coefficient tc(pref) — 0.39 — %/
°
C From Tmin to Tmax 1
Supply Sensitivity ss(pref) — 0.2 — %/V From VDDmin to VDDmax 1
Operating Current (on) idd(pref) — 5 10
µ
A CMOFF = 0 2
Operating Current (off) idd(pref) — 0 —
µ
A CMOFF = 1 2
Low-Voltage Detector
Detect Voltage v-(lvd) 2.43 2.55 2.67 V Decreasing VDD
Release Voltage v+(lvd) 2.48 2.60 2.72 V Increasing VDD
Hysteresis vhys(lvd) 35 55 75 mV Between detect and release trip
points
Operating Current (on) idd(lvd) — 15 25
µ
A REFOFF = 0 2
Operating Current (off) idd(lvd) — 0 —
µ
A REFOFF = 1 2
Internal Oscillator
Frequency Range fosc(in) 3.0 4.0 5.0 MHz
Temperature Coefficient tc(in) — -0.04 — %/
°
C From Tmin to Tmax 1
Supply Sensitivity ss(in) — 0.8 — %/V From VDDmin to VDDmax 1
Jitter jit(in) — 100 — ppm
±
3 sigma from mean 1
Start-up Time tsu(in) — 8 — Tcycs At Power-On Reset and exit from
SLEEP
4
Operating Current
(oscillator on)
idd(in) — 300 500
µ
A2
Operating Current
(oscillator off)
idd(in) — 0 —
µ
A SLEEP mode, OSCOFF = 1 2
Voltage Regulator Control Output
Regulation Voltage vo(reg) 5.2 5.9 6.6 V Measured with Ivreg = 10
µ
A at TA =
25
°
C
Temperature Coefficient tc(vreg) — -0.2 — %/
°
C From Tmin to Tmax 1
Operating Current
(Recommended)
idd(vreg) 1 – 10
µ
A Determined by external
components
Operating Current — 0 — If V
REG
pin is open
Standard Operating Conditions (unless otherwise stated)
Operating Temperature: -40
°
C
≤
TA
≤
+85
°
C for industrial
0
°
C
≤
TA
≤
+70
°
C for commercial
V
DD
range: 2.7V (min) to 6.0V (max) unless otherwise stated.
Characteristic Sym. Min. Typ. Max. Units Conditions Notes