PIC16F1507T-I/SS Microchip Technology, PIC16F1507T-I/SS Datasheet - Page 132

3.5KB Flash, 128B RAM, 18 I/O, CLC, CWG, DDS, 10-bit ADC 20 SSOP .209in T/R

PIC16F1507T-I/SS

Manufacturer Part Number
PIC16F1507T-I/SS
Description
3.5KB Flash, 128B RAM, 18 I/O, CLC, CWG, DDS, 10-bit ADC 20 SSOP .209in T/R
Manufacturer
Microchip Technology
Series
PIC® 16Fr

Specifications of PIC16F1507T-I/SS

Processor Series
PIC16
Core
PIC16F
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
3.5 KB
Data Ram Size
128 B
Interface Type
ICSP
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
18
Number Of Timers
3
Operating Supply Voltage
2.3 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SSOP-20
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Supply Current (max)
30 uA
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
-
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
17
Eeprom Size
-
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.3 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Lead Free Status / Rohs Status
 Details

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC16F1507T-I/SS
Manufacturer:
AD
Quantity:
101
Part Number:
PIC16F1507T-I/SS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
PIC16F1507T-I/SS
0
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
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:
 2011 Microchip Technology Inc.
The value for T
Solving for T
Assumptions:
Therefore:
Note 1: The reference voltage (V
Figure
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
15-4.
leakage specification.
T
S
T
) and the internal sampling switch (R
A CQ
T
C
ACQ
:
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
7.37µs
12.5pF 1k
1.12
5µs
C
Amplifier Settling Time
T
2µs
--------------------------
maximum
AMP
) must be allowed to fully
HOLD
2
--------- -
-------- -
RC
RC
µs
T
Tc
n
+
Figure
+
C
+
1.12
+
T
1
1
R
C
 1
=
=
T
IC
µs
+
C
15-4. The source
=
V
V
+
+
+
REF
+
A PP LIE D
CHOLD
recommended
50°C and external impedance of 10k
Temperature - 25°C
7k
T
R
COFF
+) has no effect on the equation, since it cancels itself out.
SS
=
50°C- 25°C
+
+
HOLD
DD
V
R
10k
CHOLD
), refer
S
 ln(1/2047)
+
1
) is not discharged after each conversion.
Preliminary
SS
SS
Hold Capacitor Charging Time
)
)
--------------------------
ln(0.0004885)
2
0.05
n
+
 0.05µs/°C
1
µs/°C
1
 1
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,
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.
;[1] V
;[2] V
;combining [1] and [2]
CHOLD
CHOLD
5.0V V
PIC16(L)F1507
+
charged to within 1/2 lsb
charge response to V
DD
Temperature Coefficient
Equation 15-1
DS41586A-page 132
APPLIED
may be

Related parts for PIC16F1507T-I/SS