ATtiny13A datasheet(121/174 Pages) ATMEL

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121

8126D–AVR–11/09

ATtiny13A

18.6 Analog Comparator Characteristics

Note:

All parameters are based on simulation results and they are not tested in production

18.7 ADC Characteristics

Table 18-7.

Analog Comparator Characteristics, TA = -40⋅C - 85⋅C

Symbol

Parameter

Condition

Min

Typ

Max

Units

VAIO

Input Offset Voltage

VCC = 5V, VIN = VCC / 2

< 10

ILAC

Input Leakage Current

VCC = 5V, VIN = VCC / 2

-50

tAPD

Analog Propagation Delay

(from saturation to slight overdrive)

VCC = 2.7V

750

VCC = 4.0V

500

Analog Propagation Delay

(large step change)

VCC = 2.7V

100

VCC = 4.0V

tDPD

Digital Propagation Delay

VCC = 1.8V - 5.5

CLK

Table 18-8.

ADC Characteristics, Single Ended Channels. TA = -40⋅C - 85⋅C

Symbol

Parameter

Condition

Min

Typ

Max

Units

Resolution

Bits

Absolute accuracy

(Including INL, DNL, and

Quantization, Gain and Offset

Errors)

VREF = 4V, VCC = 4V,

ADC clock = 200 kHz

3LSB

VREF = 4V, VCC = 4V,

ADC clock = 1 MHz

4LSB

VREF = 4V, VCC = 4V,

ADC clock = 200 kHz,

Noise Reduction Mode

2.5

LSB

VREF = 4V, VCC = 4V,

ADC clock = 1 MHz,

Noise Reduction Mode

3.5

LSB

Integral Non-Linearity (INL)

(Accuracy after Offset and

Gain Calibration)

VREF = 4V, VCC = 4V,

ADC clock = 200 kHz

1LSB

Differential Non-linearity

(DNL)

VREF = 4V, VCC = 4V,

ADC clock = 200 kHz

0.5

LSB

Gain Error

VREF = 4V, VCC = 4V,

ADC clock = 200 kHz

3.5

LSB

Offset Error

VREF = 4V, VCC = 4V,

ADC clock = 200 kHz

2.5

LSB

Conversion Time

Free Running Conversion

260

µs

Clock Frequency

1000

kHz

VIN

Input Voltage

GND

VREF

Input Bandwidth

38.5

kHz

VINT

Internal Voltage Reference

1.0

1.1

1.2

RAIN

Analog Input Resistance

100

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