PIC16C770-I/SO Microchip Technology, PIC16C770-I/SO Datasheet - Page 116

• Manufacturer Part Number: PIC16C770-I/SO
• Description: IC MCU OTP 2KX14 A/D PWM 20-SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C770-I/SO

• Core Size: 8-Bit
• Program Memory Size: 3.5KB (2K x 14)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI
• Number Of I /o: 15
• Program Memory Type: OTP
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 6x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• Controller Family/series: PIC16C
• No. Of I/o's: 16
• Ram Memory Size: 256Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: ISPICR1 - ADAPTER IN-CIRCUIT PROGRAMMINGAC164028 - MODULE SKT PROMATEII 20SOIC/DIP309-1013 - ADAPTER 20-SOIC TO 20-DIP309-1012 - ADAPTER 20-SOIC TO 20-DIP
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: PIC16C770I/SO

PIC16C717/770/771
EXAMPLE 11-3:
FIGURE 11-5: ANALOG INPUT MODEL
DS41120B-page 114
T
T
T
T
T
T
T
T
T
T
T
† The temperature coefficient is only required for
ACQ
ACQ
ACQ
ACQ
ACQ
C
C
C
C
C
C
temperatures > 25 C.
=
=
=
=
=
=
=
=
=
=
=
Holding Capacitor Charging Time
(C
-25 pF (1 k +10 k + 2.5 k ) In (1/16384)
-25 pF (13.5 k ) In (1/16384)
-0.338 (-9.704) s
3.3 s
HOLD
Amplifier Settling Time
+ Holding Capacitor Charging Time
+Temperature offset
5 s
+ T
+ [(Temp - 25 C)(0.05 s/ C)] †
5 s
+ 3.3 s
+ [(50 C - 25 C)(0.05 s / C)]
8.3 s + 1.25 s
9.55 s
C
) (R
Legend C
IC
VA
CALCULATING THE
MINIMUM
REQUIRED SAMPLE TIME
+ R
R
V
I
R
SS
C
SS
S
LEAKAGE
T
PIN
IC
HOLD
+ R
Port Pin
C
5 pF
PIN
S
) In (1/16384)
= input capacitance
= threshold voltage
= leakage current at the pin due to
= interconnect resistance
= sampling switch
= sample/hold capacitance
†
various junctions
V
DD
V
Vt = 0.6V
T
= 0.6V
I
± 100 nA
LEAKAGE
R
IC
~ 1k
~
V
SS R
DD
Sampling
Switch
6V
5V
4V
3V
2V
SS
Sampling Switch (R
5 6 7 8 9 10 11
V
C
SS
HOLD
( k
2002 Microchip Technology Inc.
)
= 25 pF
SS
)