PIC16F753 Datasheet, PDF (210/238 Pages) Microchip Technology – 14/16-Pin, Flash-Based 8-Bit CMOS Microcontrollers

PIC16F753/HV753
TABLE 22-13: PIC16F753/HV753 A/D CONVERSION REQUIREMENTS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C  TA  +125°C
Param.
No.
Sym.
Characteristic
Min.
Typ†
Max. Units
Conditions
AD130* TAD A/D Clock Period
1.6
—
9.0 s TOSC-based, VREF 3.0V
3.0
—
9.0 s TOSC-based, VREF full range⁽³⁾
A/D Internal RC
Oscillator Period
ADCS<2:0> = 11
3.0
6.0
9.0 s At VDD = 2.5V
1.6
4.0
6.0 s At VDD = 5.0V
AD131 TCNV Conversion Time
—
11
— TAD Set GO/DONE bit to new data in A/D
(not including
Acquisition Time)⁽¹⁾
Result register
AD132* TACQ Acquisition Time⁽²⁾
11.5
— s
AD133* TAMP Amplifier Settling Time —
—
5 s
AD134 TGO Q4 to A/D Clock Start —
TOSC/2
——
* These parameters are characterized but not tested.
† Data in “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Note 1: ADRESH and ADRESL registers may be read on the following TCY cycle.
2: See Section 12.4 “A/D Acquisition Requirements” for minimum conditions.
3: Full range for PIC16HV753 powered by the shunt regulator is the 5V regulated voltage.
FIGURE 22-10: PIC16F753/HV753 A/D CONVERSION TIMING (NORMAL MODE)
BSF ADCON0, GO
AD134
Q4
A/D CLK
A/D Data
(TOSC/2)
AD131
AD130
1 TCY
9
8
7
6
3
2
1
0
ADRES
ADIF
GO
Sample
AD132
OLD_DATA
Sampling Stopped
NEW_DATA
1 TCY
DONE
D40001709A-page 210
Preliminary
 2013 Microchip Technology Inc.