ATXMEGA64A1-CU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATXMEGA64A1-CU

8/16-bit XMEGA A1 Microcontroller

Atmel Corporation 

XMEGA A1

33.5 ADC Characteristics

Table 33-5. ADC Characteristics

Symbol Parameter

RES

Resolution

INL

Integral Non-Linearity

DNL

Differential Non-Linearity

Gain Error

Offset Error

ADCclk

ADC Clock frequency

Conversion rate

Conversion time

(propagation delay)

Sampling Time

Conversion range

AVCC Analog Supply Voltage

VREF Reference voltage

Input bandwidth

INT1V Internal 1.00V reference

INTVCC

SCALEDVCC

RAREF

Internal VCC/1.6

Scaled internal VCC/10 input

Reference input resistance

Start-up time

Internal input sampling speed

Condition

Programmable: 8/12

500 kS/s

500 kS/s

Max is 1/4 of Peripheral Clock

(RES+2)/2+GAIN

RES = 8 or 12, GAIN = 0 or 1

1/2 ADCclk cycle

Temp. sensor, VCC/10, Bandgap

Min

8

-5

5

0.25

0

Vcc-0.3

1.0

Typ

12

<±1

< ±0.75

±10

±2

7

2000

1.00

VCC/1.6

VCC/10

>10

12

Max

12

5

2000

2000

8

VREF

Vcc+0.3

Vcc-0.6

24

100

Units

Bits

LSB

LSB

mV

mV

kHz

ksps

ADCclk

cycles

µS

V

V

V

kHz

V

V

V

MΩ

ADCclk

cycles

ksps

Table 33-6. ADC Gain Stage Characteristics

Symbol Parameter

Condition

Min

Gain error

1 to 64 gain

Offset error

Vrms

Noise level at input

64x gain

VREF = Int. 1V

VREF = Ext. 2V

Clock rate

Same as ADC

Typ

< ±1

< ±1

0.12

0.06

Max

Units

%

mV

1000

kHz

71

8067L–AVR–08/10

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