Rainbow-electronics ATtiny10 Uživatelský manuál stáhnout pdf (Strana 120)

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

= -40°C - 85°C

Symbol Parameter Condition Min Typ Max Units

AIO

Input Offset Voltage V

= 5V, VIN = V

/ 2 < 10 40 mV

LAC

Input Leakage Current V

= 5V, VIN = V

/ 2 -50 50 nA

APD

Analog Propagation Delay

(from saturation to slight overdrive)

= 2.7V 750

= 4.0V 500

Analog Propagation Delay

(large step change)

= 2.7V 100

= 4.0V 75

DPD

Digital Propagation Delay V

= 1.8V - 5.5 1 2 CLK

Table 16-8. ADC Characteristics. T = -40°C – 85°C. V

= 2.5V – 5.5V

Symbol Parameter Condition Min

(1)

Typ

(1)

Max

(1)

Units

Resolution 8Bits

Absolute accuracy

(Including INL, DNL, and

Quantization, Gain and Offset

Errors)

REF

= V

= 4V,

ADC clock = 200 kHz

1.0 TBD LSB

REF

= V

= 4V,

ADC clock = 1 MHz

2.0 TBD LSB

REF

= V

= 4V,

ADC clock = 200 kHz

Noise Reduction Mode

1.0 TBD LSB

REF

= V

= 4V,

ADC clock = 1 MHz

Noise Reduction Mode

2.0 TBD LSB

Integral Non-Linearity (INL)

(Accuracy after Offset and

Gain Calibration)

REF

= V

= 4V,

ADC clock = 200 kHz

1.0 TBD LSB

Differential Non-linearity

(DNL)

REF

= V

= 4V,

ADC clock = 200 kHz

0.5 TBD LSB

Gain Error

REF

= V

= 4V,

ADC clock = 200 kHz

1.0 TBD LSB

Offset Error

REF

= V

= 4V,

ADC clock = 200 kHz

1.0 TBD LSB

Conversion Time Free Running Conversion 65 260 µs

Clock Frequency 50 200 kHz

Input Voltage GND V

REF

Input Bandwidth 7.7 kHz

AIN

Analog Input Resistance 100 MΩ

ADC Conversion Output 0 255 LSB

1 2 ... 115 116 117 118 119 120 121 122 123 124 125 ... 165 166

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