ATTINY44-20MU Atmel, ATTINY44-20MU Datasheet - Page 182

• Manufacturer Part Number: ATTINY44-20MU
• Description: IC MCU AVR 4K FLASH 20MHZ 20-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY44-20MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-MLF®, QFN
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• For Use With: ATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 20-11. ADC Characteristics, Differential Channels (Bipolar Mode), T
Note:
182
Symbol
V
V
A
V
R
R
IN
DIFF
REF
INT
REF
AIN
1. Values are guidelines only.
ATtiny24/44/84
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
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
Min
GND
-512
2.0
1.0
70
50
(1)
Typ
100
8.0
8.0
4.0
5.0
4.0
5.0
3.0
4.0
1.1
32
4
(1)
V
V
REF
Max
CC
V
280
200
511
1.2
10
10
CC
/Gain
- 1.0
8006K–AVR–10/10
(1)
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
V
V