ATTINY45-20MUR Atmel, ATTINY45-20MUR Datasheet - Page 174
ATTINY45-20MUR
Manufacturer Part Number
ATTINY45-20MUR
Description
MCU AVR 4KB FLASH 20MHZ 20QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY45-20MUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Table 21-10. ADC Characteristics, Differential Channels (Bipolar Mode). T
Note:
174
V
V
AREF
V
R
R
Symbol
IN
DIFF
INT
REF
AIN
1. Values are guidelines only.
ATtiny25/45/85
Parameter
Resolution
Absolute accuracy
(Including INL, DNL, and
Quantization, Gain and Offset
Errors)
Integral Non-Linearity (INL)
(Accuracy after Offset and
Gain Calibration)
Gain Error
Offset Error
Conversion Time
Clock Frequency
Input Voltage
Input Differential Voltage
Input Bandwidth
External Reference Voltage
Internal Voltage Reference
Internal 2.56V Reference
Reference Input Resistance
Analog Input Resistance
ADC Conversion Output
(1)
Gain = 1x
Gain = 20x
Gain = 1x
V
ADC clock = 50 - 200 kHz
Gain = 20x
V
ADC clock = 50 - 200 kHz
Gain = 1x
V
ADC clock = 50 - 200 kHz
Gain = 20x
V
ADC clock = 50 - 200 kHz
Gain = 1x
Gain = 20x
Gain = 1x
V
ADC clock = 50 - 200 kHz
Gain = 20x
V
ADC clock = 50 - 200 kHz
Free Running Conversion
V
REF
REF
REF
REF
REF
REF
CC
> 3.0V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
Condition
CC
CC
CC
CC
CC
CC
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
GND
-512
Min
2.0
1.0
2.3
70
50
A
= -40°C to +85°C
2.56
Typ
100
8.0
8.0
4.0
5.0
4.0
5.0
3.0
4.0
1.1
32
4
V
V
REF
CC
Max
V
280
200
511
1.2
2.8
10
10
CC
/Gain
- 1.0
2586M–AVR–07/10
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
V
V
V
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