PIC16C770 Microchip Technology Inc., PIC16C770 Datasheet - Page 170

• Manufacturer Part Number: PIC16C770
• Description: 18/20-pin, 8-bit Cmos Microcontrollers With 10/12-bit A/d
• Manufacturer: Microchip Technology Inc.

PIC16C717/770/771
TABLE 15-12: PIC16C770/771 AND PIC16LC770/771 A/D CONVERSION REQUIREMENTS
Parameter
130*
131*
132*
134*
DS41120B-page 168
*
†
Note 1: ADRES register may be read on the following T
No.
(3)
These parameters are characterized but not tested.
Data in “Typ” column is at 5V, 25 C unless otherwise stated. These parameters are for design guidance only
and are not tested.
2: See Section 11.6 for minimum conditions.
3: These numbers multiplied by 8 if V
T
T
T
T
AD
CNV
ACQ
Sym
GO
(NORMAL MODE)
Characteristic
A/D clock period
Conversion time
(not including
acquisition time)
(Note 1)
Acquisition Time
Q4 to A/D clock
start
Note 2
Min
1.6
3.0
3.0
2.0
—
—
5*
RH
or V
RL
T
13T
is selected as A/D reference.
Typ†
OSC
11.5
6.0
4.0
—
—
—
CY
AD
/2
cycle.
Max
9.0
6.0
—
—
—
—
—
—
Units
T
—
AD
s
s
s
s
s
s
Tosc based, V
Tosc based, V
ADCS<1:0> = 11
(A/D RC mode)
At V
At V
The minimum time is the ampli-
fier settling time. This may be
used if the “new” input voltage
has not changed by more than
1LSb (i.e., 1mV @ 4.096V) from
the last sampled voltage (as
stated on C
2002 Microchip Technology Inc.
DD
DD
= 2.5V
= 5.0V
Conditions
HOLD
REF
REF
).
full range
2.5V