PIC16F690-E/ML Microchip Technology, PIC16F690-E/ML Datasheet - Page 119

• Manufacturer Part Number: PIC16F690-E/ML
• Description: IC, 8BIT MCU, PIC16F, 20MHZ, QFN-20
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F690-E/ML

• Controller Family/series: PIC16F
• No. Of I/o's: 18
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 256Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Core Size: 8 Bit
• Program Memory Size: 4096 Words
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20QFN-1 - SOCKET TRANSITION 20DIP-20QFNAC164324 - MODULE SKT FOR MPLAB 8DFN/16QFNPIC16F690DM-PCTLHS - BOARD DEMO PICTAIL HUMIDITY SNSRAC162061 - HEADER INTRFC MPLAB ICD2 20PIN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 9-4:
FIGURE 9-5:
© 2008 Microchip Technology Inc.
Note 1: The reference voltage (V
2: The charge holding capacitor (C
3: The maximum recommended impedance for analog sources is 10 kΩ. This is required to meet the pin
Legend: C
leakage specification.
Note 1: See Section 17.0 “Electrical Specifications”.
V
I
R
SS
C
V
LEAKAGE
T
PIN
IC
HOLD
SS
ANALOG INPUT MODEL
ADC TRANSFER FUNCTION
/V
REF
3FDh
3FCh
3FBh
3FFh
3FEh
VA
004h
003h
002h
001h
000h
-
= Input Capacitance
= Threshold Voltage
= Leakage current at the pin due to
= Interconnect Resistance
= Sampling Switch
= Sample/Hold Capacitance
Rs
various junctions
PIC16F631/677/685/687/689/690
ANx
C
5 pF
REF
PIN
) has no effect on the equation, since it cancels itself out.
1 LSB ideal
Zero-Scale
Transition
HOLD
Full-Scale Range
) is not discharged after each conversion.
V
DD
V
V
T
T
= 0.6V
= 0.6V
I
V
R
LEAKAGE
DD
IC
/V
≤ 1k
REF
(1)
+
Full-Scale
Transition
1 LSB ideal
Analog Input Voltage
V
SS Rss
DD
Sampling
Switch
6V
5V
4V
3V
2V
Sampling Switch
5 6 7 8 9 10 11
C
V
(kΩ)
HOLD
SS
R
/V
SS
REF
DS41262E-page 117
= 10 pF
-