AT32UC3C0512C Datasheet, PDF (67/110 Pages) ATMEL Corporation – High Performance, Low Power 32-bit AVR Microcontroller

AT32UC3C
Table 7-36. ADC and S/H Transfer Characteristics (Continued)10-bit Resolution Mode and S/H gain from 1 to 16⁽¹⁾
Symbol
Parameter
Conditions
Min
Typ
Max
Units
RES
INL
DNL
Note:
Resolution
Differential mode,
Integral Non-Linearity
Differential Non-Linearity
Offset error
Gain error
V_VDDANA = 5V,
V_ADCREF0 = 3V,
ADCFIA.SEQCFGn.SRES = 1,
-25
S/H gain from 1 to 16
(F_adc = 1.5MHz)
-15
1. The measures are done without any I/O activity on VDDANA/GNDANA power domain.
10
Bit
1.5
LSB
1.5
LSB
25
mV
15
mV
7.8.7 Digital to Analog Converter (DAC) Characteristics
Table 7-37.
Symbol
f_DAC
t_STARTUP
t_CONV
Channel Conversion Time and DAC Clock
Parameter
Conditions
DAC clock frequency
Startup time
No S/H enabled, internal DAC
Conversion time (latency)
One S/H
Two S/H
Throughput rate
Min
Typ
Max
Units
1
MHz
3
µs
1
µs
1.5
µs
2
µs
1/t_CONV MSPS
Table 7-38.
Symbol
V_DACREF
External Voltage Reference Input
Parameter
Conditions
DACREF input voltage range
Min
Typ
1.2
Max
V_VDDANA-0.7
Units
V
Table 7-39. DAC Outputs
Symbol
Parameter
Output range
C_LOAD
R_LOAD
Output capacitance
Output resitance
Conditions
Min
with external DAC reference
0.2
with internal DAC reference
0.2
0
2
Typ
Max
Units
V_DACREF
V
V_VDDANA-0.7
100
pF
kΩ
67
32117DS–AVR-01/12