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6 analog comparator characteristics – Rainbow Electronics ATtiny10 User Manual

Page 120

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120

8127B–AVR–08/09

ATtiny4/5/9/10

16.6

Analog Comparator Characteristics

Note:

All parameters are based on simulation results. None are tested in production

16.7

ADC Characteristics (ATtiny5/10, only) – Preliminary Data

Note:

1. Values are preliminary.

Table 16-7.

Analog Comparator Characteristics, T

A

= -40

°

C - 85

°

C

Symbol

Parameter

Condition

Min

Typ

Max

Units

V

AIO

Input Offset Voltage

V

CC

= 5V, V

IN

= V

CC

/ 2

< 10

40

mV

I

LAC

Input Leakage Current

V

CC

= 5V, V

IN

= V

CC

/ 2

-50

50

nA

t

APD

Analog Propagation Delay
(from saturation to slight overdrive)

V

CC

= 2.7V

750

ns

V

CC

= 4.0V

500

Analog Propagation Delay
(large step change)

V

CC

= 2.7V

100

V

CC

= 4.0V

75

t

DPD

Digital Propagation Delay

V

CC

= 1.8V - 5.5

1

2

CLK

Table 16-8.

ADC Characteristics. T = -40

°

C – 85

°

C. V

CC

= 2.5V – 5.5V

Symbol

Parameter

Condition

Min

(1)

Typ

(1)

Max

(1)

Units

Resolution

8

Bits

Absolute accuracy
(Including INL, DNL, and
Quantization, Gain and Offset
Errors)

V

REF

= V

CC

= 4V,

ADC clock = 200 kHz

1.0

TBD

LSB

V

REF

= V

CC

= 4V,

ADC clock = 1 MHz

2.0

TBD

LSB

V

REF

= V

CC

= 4V,

ADC clock = 200 kHz
Noise Reduction Mode

1.0

TBD

LSB

V

REF

= V

CC

= 4V,

ADC clock = 1 MHz
Noise Reduction Mode

2.0

TBD

LSB

Integral Non-Linearity (INL)
(Accuracy after Offset and
Gain Calibration)

V

REF

= V

CC

= 4V,

ADC clock = 200 kHz

1.0

TBD

LSB

Differential Non-linearity
(DNL)

V

REF

= V

CC

= 4V,

ADC clock = 200 kHz

0.5

TBD

LSB

Gain Error

V

REF

= V

CC

= 4V,

ADC clock = 200 kHz

1.0

TBD

LSB

Offset Error

V

REF

= V

CC

= 4V,

ADC clock = 200 kHz

1.0

TBD

LSB

Conversion Time

Free Running Conversion

65

260

µs

Clock Frequency

50

200

kHz

V

IN

Input Voltage

GND

V

REF

V

Input Bandwidth

7.7

kHz

R

AIN

Analog Input Resistance

100

M

Ω

ADC Conversion Output

0

255

LSB