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AT32UC3A3256S_09 Datasheet, PDF (51/75 Pages) ATMEL Corporation – AVR32 32-Bit Microcontroller
AT32UC3A3
10.7 ADC Characteristics
Table 10-12. Channel Conversion Time and ADC Clock
Parameter
Conditions
Min
Typ
Max
Units
ADC Clock Frequency
10-bit resolution mode
5
MHz
ADC Clock Frequency
8-bit resolution mode
8
MHz
Startup Time
Return from Idle Mode
20
µs
Track and Hold Acquisition Time
600
ns
Conversion Time
ADC Clock = 5 MHz
2
µs
Conversion Time
Throughput Rate
Throughput Rate
ADC Clock = 8 MHz
ADC Clock = 5 MHz
ADC Clock = 8 MHz
1.25
384(1)
533(2)
µs
kSPS
kSPS
Notes: 1. Corresponds to 13 clock cycles at 5 MHz: 3 clock cycles for track and hold acquisition time and 10 clock cycles for
conversion.
2. Corresponds to 15 clock cycles at 8 MHz: 5 clock cycles for track and hold acquisition time and 10 clock cycles for
conversion.
Table 10-13. Analog Inputs
Parameter
Input Voltage Range
Input Leakage Current
Input Capacitance
Min
Typ
Max
Units
0
VDDANA
TBD
µA
17
pF
Table 10-14. Transfer Characteristics
Parameter
Resolution
Absolute Accuracy
Integral Non-linearity
Differential Non-linearity
Offset Error
Gain Error
Conditions
f=5MHz
f=5MHz
f=5MHz
f=5MHz
f=5MHz
Min
Typ
Max
Units
10
Bit
0.8
LSB
0.35
0.5
LSB
0.3
0.5
LSB
-0.5
0.5
LSB
-0.5
0.5
LSB
51
32072AS–AVR32–03/09