PIC16LC65B-04I/PQ Microchip Technology, PIC16LC65B-04I/PQ Datasheet - Page 82
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PIC16LC65B-04I/PQ
Manufacturer Part Number
PIC16LC65B-04I/PQ
Description
IC MCU OTP 4KX14 PWM 44-MQFP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16LC65B-04I/PQ
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
7KB (4K x 14)
Program Memory Type
OTP
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-MQFP, 44-PQFP
Processor Series
PIC16LC
Core
PIC
Data Bus Width
8 bit
Data Ram Size
192 B
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
33
Number Of Timers
3
Operating Supply Voltage
2.5 V to 6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000, DM163022
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LC65B-04I/PQ
Manufacturer:
Microchip Technology
Quantity:
10 000
PIC16C63A/65B/73B/74B
12.1
For the A/D converter to meet its specified accuracy,
the charge holding capacitor (C
to fully charge to the input channel voltage level. The
analog input model is shown in Figure 12-2. The
source impedance (R
switch (R
required to charge the capacitor C
switch (R
(V
offset voltage at the analog input (due to pin leakage
current).
FIGURE 12-2:
EQUATION 12-1:
DS30605C-page 82
T
DD
ACQ
), Figure 12-2. The source impedance affects the
A/D Acquisition Requirements
=
=
SS
SS
) impedance varies over the device voltage
) impedance directly affect the time
Amplifier Settling Time +
Hold Capacitor Charging Time +
Temperature Coefficient
T
T
T
T
AMP
AMP
C
COFF
= - (51.2 pF)(1 k + R
Legend:
+ T
= 5 S
= (Temp -25 C)(0.05 S/ C)
VA
C
ANALOG INPUT MODEL
ACQUISITION TIME
S
+ T
) and the internal sampling
Rs
C
V
I leakage
R
SS
C
T
COFF
PIN
IC
HOLD
ANx
C
5 pF
HOLD
PIN
= input capacitance
= threshold voltage
= leakage current at the pin due to
= interconnect resistance
= sampling switch
= sample/hold capacitance (from DAC)
HOLD
various junctions
) must be allowed
SS
. The sampling
+ R
S
) In(1/511)
V
DD
V
V
T
T
= 0.6 V
= 0.6 V
I leakage
± 500 nA
The maximum recommended impedance for ana-
log sources is 10 k . After the analog input channel is
selected (changed), the acquisition time (T
pass before the conversion can be started.
To
Equation 12-1 may be used. This equation assumes
that 1/2 LSb error is used (512 steps for the A/D). The
1/2 LSb error is the maximum error allowed for the A/D
to meet its specified resolution.
For more information, see the PICmicro™ Mid-Range
MCU Family Reference Manual (DS33023). In general,
however, given a maximum source impedance of
10 k
will be no more than 16 sec.
R
IC
£ 1k
calculate
and a worst case temperature of 100°C, T
V
SS R
DD
Sampling
Switch
6V
5V
4V
3V
2V
SS
the
Sampling Switch
5 6 7 8 9 10 11
V
minimum
SS
C
= DAC capacitance
= 51.2 pF
(k )
HOLD
2000 Microchip Technology Inc.
acquisition
ACQ
) must
time,
ACQ