PIC16F1934T-I/MV Microchip Technology, PIC16F1934T-I/MV Datasheet - Page 165
PIC16F1934T-I/MV
Manufacturer Part Number
PIC16F1934T-I/MV
Description
7KB Flash, 256B RAM, 256B EEPROM, LCD, 1.8-5.5V 40 UQFN 5x5x0.5mm T/R
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16F722-ISS.pdf
(8 pages)
2.PIC16LF1933-ISS.pdf
(508 pages)
3.PIC16LF1933-ISS.pdf
(46 pages)
4.PIC16F1936-ISS.pdf
(2 pages)
5.PIC16F1936-ISS.pdf
(10 pages)
6.PIC16F1936-ISS.pdf
(40 pages)
7.PIC16F1936-ISS.pdf
(30 pages)
8.PIC16F1936-ISS.pdf
(12 pages)
Specifications of PIC16F1934T-I/MV
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-UFQFN Exposed Pad
Processor Series
PIC16F
Core
PIC
Data Ram Size
256 B
Interface Type
MI2C, SPI, EUSART
Number Of Timers
5
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
MPLAB IDE Software
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC16F1934T-I/MV
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F722-ISS PDF datasheet
- PIC16LF1933-ISS PDF datasheet #2
- PIC16LF1933-ISS PDF datasheet #3
- PIC16F1936-ISS PDF datasheet #4
- PIC16F1936-ISS PDF datasheet #5
- PIC16F1936-ISS PDF datasheet #6
- PIC16F1936-ISS PDF datasheet #7
- PIC16F1936-ISS PDF datasheet #8
- Current page: 165 of 508
- Download datasheet (5Mb)
15.3
For the ADC to meet its specified accuracy, the charge
holding capacitor (C
charge to the input channel voltage level. The Analog
Input model is shown in Figure 15-4. The source
impedance (R
impedance directly affect the time required to charge
the capacitor C
impedance varies over the device voltage (V
to
impedance for analog sources is 10 k. As the
EQUATION 15-1:
2009 Microchip Technology Inc.
The value for T
Solving for T
Assumptions:
Therefore:
Note 1: The reference voltage (V
Figure 15-4.
V
V
V
Note: Where n = number of bits of the ADC.
2: The charge holding capacitor (C
3: The maximum recommended impedance for analog sources is 10 k. This is required to meet the pin
A/D Acquisition Requirements
AP P LI ED
AP P LI ED
AP P LI ED
leakage specification.
T
S
T
AC Q
) and the internal sampling switch (R
C
ACQ
T
:
HOLD
C
C
The
Temperature
can be approximated with the following equations:
=
=
=
=
=
1
1 e
1 e
HOLD
=
=
=
. The sampling switch (R
ACQUISITION TIME EXAMPLE
–
–
–
1.12
2µs
4.42µs
–
–
Amplifier Settling Time
T
2µs
C
10pF 1k
--------------------------
maximum
AMP
) must be allowed to fully
2
–
--------- -
–
-------- -
HOLD
RC
RC
+
µs
T
Tc
n
+
C
+
1.12µs
+
T
1
1
C
1
=
R
=
T
+
–
IC
C
=
V
V
+
+
REF
+
+
A PP LIE D
CHOLD
recommended
7k
50°C and external impedance of 10k
Temperature - 25°C
T
R
COFF
) has no effect on the equation, since it cancels itself out.
=
SS
50°C- 25°C
+
+
HOLD
DD
V
10k
R
CHOLD
), refer
S
+
1
) is not discharged after each conversion.
ln(1/511)
Preliminary
SS
SS
–
Hold Capacitor Charging Time
)
)
--------------------------
ln(0.001957)
0.05
2
n
+
0.05µs/°C
1
ΜS
1
1
/°C
source impedance is decreased, the acquisition time
may be decreased. After the analog input channel is
selected (or changed), an A/D acquisition must be
done before the conversion can be started. To calculate
the minimum acquisition time, Equation 15-1 may be
used. This equation assumes that 1/2 LSb error is used
(1,024 steps for the ADC). The 1/2 LSb error is the
maximum error allowed for the ADC to meet its
specified resolution.
–
PIC16F193X/LF193X
;[1] V
;[2] V
;combining [1] and [2]
CHOLD
CHOLD
5.0V V
+
charged to within 1/2 lsb
charge response to V
DD
Temperature Coefficient
DS41364D-page 165
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