Datasheet

276
7734Q–AVR–02/12
AT90PWM81/161
22.8 DAC Characteristics
22.9 Parallel Programming Characteristics
Figure 22-5. Parallel programming timing, including some general timing requirements.
R
REF
Reference input resistance 30
kW
R
AIN
Analog input resistance 23
C
AIN
Analog input capacitor 10 pF
I
HSM
Increased current
consumption
High speed mode
Single Ended conversion
380 µA
Table 22-7. DAC characteristics - T
A
= -45°C to +105°C, V
CC
= 2.7V to 5.5V (unless otherwise noted).
Symbol Parameter Condition Minimum Typical Maximum Units
Resolution DAC 10
Absolute accuracy V
CC
= 4V, V
REF
= 4V 2.5 5
LSB
Integral non-linearity V
CC
= 4V, V
REF
= 4V 0.8 1.5
Differential non-linearity V
CC
= 4V, V
REF
= 4V 0.2 0.5
Gain error V
CC
= 4V, V
REF
= 4V -5.0 0.0
Offset error V
CC
= 4V, V
REF
= 4V 0.0 2.0
V
REF
Reference voltage 2.56 AV
CC
V
Table 22-6. ADC characteristics - T
A
= -45°C to +105°C, V
CC
= 2.7V to 5.5V (unless otherwise noted). (Continued)
Symbol Parameter Condition Minimum Typical Maximum Units
Data & Contol
(DATA, XA0, XA1/BS2, PAGEL/BS1)
XTAL1
t
XHXL
t
WLWH
t
DVXH
t
XLDX
t
PLWL
t
WLRH
WR
RDY/BSY
t
PLBX
t
BVPH
t
XLWL
t
WLBX
t
BVWL
WLRL