ATXMEGA32A4_14 Datasheet, PDF (66/108 Pages) ATMEL Corporation – Non-volatile Program and Data Memories

XMEGA A4
34.6 DAC Characteristics
Table 34-7. DAC Characteristics
Symbol Parameter
Condition
INL Integral Non-Linearity
DNL Differential Non-Linearity
F_clk
AREF
Conversion rate
External reference voltage
V_CC = 1.6-3.6V
V_CC = 1.6-3.6V
VREF = Ext. ref
VREF = Ext. ref
VREF= AV_CC
Reference input impedance
Max output voltage
Min output voltage
Offset factory calibration accuracy
Gain factory calibration accuracy
R_load=100k
R_load=100k
Continues mode, V_CC=3.0V,
VREF = Int 1.00V, T=85°C
Min
Typ
Max Units
±5
<±1
LSB
1000
ksps
1.1
AV_CC-0.6
V
>10
M
AV_CC*0.98
V
<0.030
±0.5
LSB
±2.5
34.7 Analog Comparator Characteristics
Table 34-8. Analog Comparator Characteristics
Symbol Parameter
Condition
V_off
I_lk
V_hys1
V_hys2
V_hys3
t_delay
Input Offset Voltage
Input Leakage Current
Hysteresis, No
Hysteresis, Small
Hysteresis, Large
Propagation delay
V_CC = 1.6 - 3.6V
V_CC = 1.6 - 3.6V
V_CC = 1.6 - 3.6V
V_CC = 1.6 - 3.6V
V_CC = 1.6 - 3.6V
V_CC = 3.0V, T= 85°C
V_CC = 1.6 - 3.6V
mode = HS
mode = HS
mode = HS
mode = LP
Min
Typ
Max Units
< ±10
mV
< 1000
pA
0
mV
20
mV
40
90
ns
175
34.8 Bandgap Characteristics
Table 34-9. Bandgap Voltage Characteristics
Symbol Parameter
Bandgap Startup Time
Bandgap voltage
ADC/DAC ref
Condition
As reference to ADC or DAC
As input to AC or ADC
T= 85°C, After calibration
Variation over voltage and temperature
V_CC = 1.6 - 3.6V, T_A = -40C to
85C
Min
Typ
Max
1 Clk_PER + 2.5µs
1.5
1.1
0.99
1
1.01
1
±2
Units
µs
V
%
8069R–AVR–06/2013
66
Not recommended for new designs -
Use XMEGA A4U series