DSPIC30F6012A-30I/PF Microchip Technology, DSPIC30F6012A-30I/PF Datasheet - Page 140

• Manufacturer Part Number: DSPIC30F6012A-30I/PF
• Description: IC DSPIC MCU/DSP 144K 64TQFP
• Manufacturer: Microchip Technology
• Series: dsPIC™ 30Fr

Specifications of DSPIC30F6012A-30I/PF

• Core Processor: dsPIC
• Core Size: 16-Bit
• Speed: 30 MIPs
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: AC'97, Brown-out Detect/Reset, I²S, LVD, POR, PWM, WDT
• Number Of I /o: 52
• Program Memory Size: 144KB (48K x 24)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 5.5 V
• Data Converters: A/D 16x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Core Frequency: 40MHz
• Core Supply Voltage: 5.5V
• Embedded Interface Type: CAN, I2C, SPI, UART
• No. Of I/o's: 52
• Flash Memory Size: 144KB
• Supply Voltage Range: 2.5V To 5.5V
• Package: 64TQFP
• Device Core: dsPIC
• Family Name: dsPIC30
• Maximum Speed: 30 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 16 Bit
• Number Of Programmable I/os: 52
• Interface Type: CAN/I2C/SPI/UART
• On-chip Adc: 16-chx12-bit
• Number Of Timers: 5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT64PT4 - SOCKET TRAN ICE 64MQFP/TQFPAC164313 - MODULE SKT FOR PM3 64PFAC30F002 - MODULE SOCKET DSPIC30F 64TQFPDV164005 - KIT ICD2 SIMPLE SUIT W/USB CABLE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

dsPIC30F6011A/6012A/6013A/6014A
FIGURE 19-3:
19.8
The analog input model of the 12-bit ADC is shown in
Figure 19-4. The total sampling time for the ADC is a
function of the internal amplifier settling time and the
holding capacitor charge time.
For the ADC to meet its specified accuracy, the charge
holding capacitor (C
charge to the voltage level on the analog input pin. The
source impedance (R
(R
impedance combine to directly affect the time required
FIGURE 19-4:
DS70143D-page 140
IC
Instruction Execution BSET ADCON1, ASAM
) and the internal sampling switch (R
ADCBUF0
ADCBUF1
ADCLK
DONE
SAMP
ADC Acquisition Requirements
Note: C
Legend: C
VA
PIN
HOLD
Rs
S
value depends on device package and is not tested. Effect of C
CONVERTING 1 CHANNEL AT 200 KSPS, AUTO-SAMPLE START, 1 T
SAMPLING TIME
12-BIT ADC ANALOG INPUT MODEL
), the interconnect impedance
V
I leakage
R
R
C
ANx
) must be allowed to fully
PIN
T
IC
SS
HOLD
C
PIN
= 1 T
T
SAMP
= input capacitance
= threshold voltage
= leakage current at the pin due to
= interconnect resistance
= sampling switch resistance
= sample/hold capacitance (from DAC)
AD
various junctions
V
DD
V
V
T
T
= 0.6V
= 0.6V
= 14 T
SS
T
CONV
)
AD
R
I leakage
± 500 nA
= 1 T
T
IC
SAMP
≤ 250Ω
AD
to charge the capacitor C
ance of the analog sources must therefore be small
enough to fully charge the holding capacitor within the
chosen sample time. To minimize the effects of pin
leakage currents on the accuracy of the ADC, the max-
imum recommended source impedance, R
After the analog input channel is selected (changed),
this sampling function must be completed prior to
starting the conversion. The internal holding capacitor
will be in a discharged state prior to each sample
operation.
Sampling
Switch
R
SS
= 14 T
PIN
T
CONV
R
negligible if Rs ≤ 2.5 kΩ.
SS
V
AD
SS
C
= DAC capacitance
= 18 pF
≤ 3 kΩ
HOLD
© 2008 Microchip Technology Inc.
HOLD
. The combined imped-
AD
S
, is 2.5 kΩ.