PIC32MX440F256H-80I Datasheet, PDF (520/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
22.6.1 ADC CONVERSION SPEEDS
The PIC32MX 10-bit A/D converter specifications per-
mit a maximum 500 ksps sampling rate. Table 22-4
summarizes the conversion speeds for the PIC32MX
10-bit A/D converter and the required operating
conditions.
TABLE 22-4: 10-BIT CONVERSION RATE PARAMETERS
PIC32MX 10-bit A/D Converter Conversion Rates
ADC Speed
500 ksps⁽¹⁾
TAD
Minimum
100 nsec
Sampling
Time Min
RS Max
VDD
2 TAD 500Ω 3.0V to 3.6V
Temperature
-40°C to +85°C
ADC Channels Configuration
VREF- VREF+
ANx
CHX
SHA
ADC
Up to 400
ksps
200 nsec 1 TAD 5.0 kΩ 2.5V to 3.6V -40°C to +125°C
Up to 300
ksps
256.41 nsec 1 TAD
5.0 kΩ 2.5V to 3.6V -40°C to +125°C
ANx
ANx or VREF-
Note 1: External VREF- and VREF+ pins must be used for correct operation.
ANx
ANx or VREF-
CHX
SHA
VREF- VREF+
or
or
AVSS AVDD
ADC
CHX
SHA
VREF- VREF+
or
or
AVSS AVDD
ADC
DS61143E-page 518
Preliminary
© 2008 Microchip Technology Inc.