ATXMEGA32A4-MH View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATXMEGA32A4-MH

8/16-bit AVR® XMEGA A4 Microcontroller

Atmel Corporation 

XMEGA A4

34.6 DAC Characteristics

Table 34-7. DAC Characteristics

Symbol Parameter

Condition

INL Integral Non-Linearity

DNL Differential Non-Linearity

Fclk

AREF

Conversion rate

External reference voltage

VCC = 1.6-3.6V

VCC = 1.6-3.6V

VREF = Ext. ref

VREF = Ext. ref

VREF= AVCC

Reference input impedance

Max output voltage

Min output voltage

Offset factory calibration accuracy

Gain factory calibration accuracy

Rload=100kΩ

Rload=100kΩ

Continues mode, VCC=3.0V,

VREF = Int 1.00V, T=85°C

Min

Typ

Max Units

±5

<±1

LSB

1000 ksps

1.1

AVCC-0.6

V

>10

MΩ

AVCC*0.98

V

<0.030

±0.5

LSB

±2.5

34.7 Analog Comparator Characteristics

Table 34-8. Analog Comparator Characteristics

Symbol Parameter

Condition

Voff

Ilk

Vhys1

Vhys2

Vhys3

tdelay

Input Offset Voltage

Input Leakage Current

Hysteresis, No

Hysteresis, Small

Hysteresis, Large

Propagation delay

VCC = 1.6 - 3.6V

VCC = 1.6 - 3.6V

VCC = 1.6 - 3.6V

VCC = 1.6 - 3.6V

VCC = 1.6 - 3.6V

VCC = 3.0V, T= 85°C

VCC = 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 VCC = 1.6 - 3.6V, TA = -40°C to 85°C

Min

Typ

Max

1 Clk_PER + 2.5µs

1.5

1.1

0.99

1

1.01

1

±5

Units

µs

V

%

66

8069O–AVR–08/10

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