PIC18C452-I/L Microchip Technology, PIC18C452-I/L Datasheet - Page 171
PIC18C452-I/L
Manufacturer Part Number
PIC18C452-I/L
Description
IC MCU OTP 16KX16 A/D 44PLCC
Manufacturer
Microchip Technology
Series
PIC® 18Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16C770-ISO.pdf
(8 pages)
3.PIC18C242-ISO.pdf
(305 pages)
4.PIC18C242-ISO.pdf
(12 pages)
Specifications of PIC18C452-I/L
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Number Of I /o
33
Program Memory Type
OTP
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Controller Family/series
PIC18
No. Of I/o's
34
Ram Memory Size
1.5KB
Cpu Speed
40MHz
No. Of Timers
4
Package
44PLCC
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
34
Interface Type
I2C/SPI/USART
On-chip Adc
8-chx10-bit
Number Of Timers
4
Processor Series
PIC18C
Core
PIC
Data Ram Size
1.5 KB
Maximum Clock Frequency
40 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
ICE2000, DM163022, DV164136
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3DB18C452 - BOARD DAUGHTER ICEPIC3AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCCDV007003 - PROGRAMMER UNIVERSAL PROMATE II
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18C452-I/L
Manufacturer:
MICROCHIP
Quantity:
58
Company:
Part Number:
PIC18C452-I/L
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16C770-ISO PDF datasheet #2
- PIC18C242-ISO PDF datasheet #3
- PIC18C242-ISO PDF datasheet #4
- Current page: 171 of 305
- Download datasheet (6Mb)
To
Equation 16-1 may be used. This equation assumes
that 1/2 LSb error is used (1024 steps for the A/D). The
1/2 LSb error is the maximum error allowed for the A/D
to meet its specified resolution.
EQUATION 16-1:
EQUATION 16-2:
Example 16-1 shows the calculation of the minimum
required acquisition time T
based on the following application system assump-
tions:
• C
• Rs
• Conversion Error
• V
• Temperature
• V
EXAMPLE 16-1:
T
V
or
T
T
Temperature coefficient is only required for temperatures > 25 C.
T
T
T
ACQ
C
ACQ
ACQ
C
ACQ
2000 Microchip Technology Inc.
HOLD
DD
HOLD
HOLD
calculate
=
=
=
=
=
=
=
=
T
2 s + Tc + [(Temp - 25 C)(0.05 s/ C)]
-C
-120 pF (1 k + 7 k + 2.5 k ) ln(0.0004885)
-120 pF (10.5 k ) ln(0.0004885)
-1.26 s (-7.6241)
9.61 s
2 s + 9.61 s + [(50 C - 25 C)(0.05 s/ C)]
11.61 s + 1.25 s
12.86 s
AMP
Amplifier Settling Time + Holding Capacitor Charging Time + Temperature Coefficient
(V
-(120 pF)(1 k + R
T
HOLD
AMP
REF
the
+ T
+ T
(R
- (V
=
=
=
=
=
C
IC
+ T
ACQUISITION TIME
C
A/D MINIMUM CHARGING TIME
CALCULATING THE MINIMUM REQUIRED ACQUISITION TIME
REF
minimum
120 pF
2.5 k
1/2 LSb
5V
50 C (system max.)
0V @ time = 0
+ T
+ R
COFF
/2048)) • (1 - e
COFF
SS
ACQ
Rss = 7 k
+ R
SS
. This calculation is
S
+ R
) ln(1/2047)
acquisition
S
) ln(1/2047)
(-Tc/C
HOLD
(R
time,
IC
+ R
SS
+ R
S
))
)
PIC18CXX2
DS39026C-page 169
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