Datasheet

167
8024A–AVR–04/08
ATmega8HVA/16HVA
Voltage
Regulator
(2)
Voltage Regulator
Operating Voltage
Combined Step-up and Linear mode 1.8 9
V
Linear mode only 3.6 9
Regulated Output Voltage
(3)
(V
REG
)
V
FET
= 1.8V, I
load
= 2 mA 2.9 3.4
V
FET
= 2.0V, I
load
= 5 mA 3.0 3.4
V
FET
= 2.4V, I
load
= 8.5 mA 3.1 3.4
V
FET
= 3.0V, I
load
= 10 mA 3.1 3.4
V
FET
= 3.8V, I
load
= 10 mA 3.1 3.4
V
FET
= 5.5V, I
load
= 10 mA 3.1 3.4
V
FET
= 9.0V, I
load
= 10 mA 3.1 3.4
V
FET
Linear/Step-up
switching level
(5)
Linear-> Step-up
I
load
= 2 mA
3.5
Step-up-> Linear 3.6
Voltage Regulator
Short-circuit Level (RSCL)
Combined Step-up
and Linear mode
1.7
Linear mode only 3.5
Ripple, Step-up mode
(5)
IOUT = 1 mA,
CREG = 2.2 µF,
ESR = 0.1 Ω
VFET = 3.0V 5
mV
IOUT = 10 mA,
CREG = 2.2 µF,
ESR = 0.1 Ω
VFET = 3.0V 30
VREF
Reference Voltage 1.100 V
Ref. Voltage Accuracy After calibration, at calibration temperature ± 0.1 ± 0.2 %
Temperature Drift
(3)(5)
90 ppm/ °C
V-ADC
Conversion Time clk
VADC
= 1 MHz 519 μs
Effective Resolution 12 Bits
Gain ADC0/1 Un-scaled
Inputs
263 μV/LSB
Gain Cell Inputs (x 0.2) 1.43 mV/LSB
INL 1 3LSB
Input Voltage range
ADC0, ADC1, VTEMP
01
V
Input Voltage range
CELL1
(9)
1.5 5
Input Voltage range
CELL2
(9)
PV1 >= 1.5V 0 5
Offset
(8)
6LSB
Error ADC0/1 Inputs
(3)(7)
0.1V < V
ADC
< 0.9V ± 0.5 %
Error Cell Inputs
(3)(7)
V
CELL
= 4V / T
A
= -10° - 70°C± 0.5%
Table 29-1. Electrical Characteristics
(1)
(T
A
= -10°C to 70°C unless otherwise specified) (Continued)
Parameter Condition Min Typ Max Unit