ATTINY44A-MU Atmel, ATTINY44A-MU Datasheet - Page 179

• Manufacturer Part Number: ATTINY44A-MU
• Description: IC MCU AVR 4K FLASH 20MHZ 20QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY44A-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 12
• 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): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-MLF®, QFN
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI/USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 20-ch x 10-bit
• Data Rom Size: 256 B
• A/d Bit Size: 10 bit
• A/d Channels Available: 20
• Height: 0.74 mm
• Length: 4 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Width: 4 mm
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 20-9.
8183C–AVR–03/11
Symbol
V
V
A
V
R
R
IN
DIFF
REF
INT
REF
AIN
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
Reference Input Resistance
Analog Input Resistance
ADC Conversion Output
ADC Characteristics, Differential Channels (Bipolar Mode), T
Condition
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
REF
REF
REF
REF
REF
REF
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
CC
CC
CC
CC
CC
CC
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
A
= -40°C to +85°C
GND
-512
Min
2.0
1.0
70
50
ATtiny24A/44A/84A
Typ
100
1.1
32
8
8
4
5
4
5
3
4
4
V
V
REF
CC
Max
280
200
V
511
1.2
10
10
CC
/Gain
- 1.0
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
V
V
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