ATTINY261-20MUR Atmel, ATTINY261-20MUR Datasheet - Page 192

• Manufacturer Part Number: ATTINY261-20MUR
• Description: IC MCU AVR 2K FLASH 20MHZ 32QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY261-20MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

19.6
Table 19-7.
Note:
192
Symbol
AV
A
V
V
R
R
REF
IN
INT
REF
AIN
CC
ADC Characteristics
1. Values are guidelines, only.
2. V
ATtiny261/461/861
Parameter
Resolution
Absolute accuracy
(Including INL, DNL, and
Quantization, Gain and Offset
Errors)
Integral Non-Linearity (INL)
(Accuracy after Offset and
Gain Calibration)
Differential Non-linearity (DNL)
Gain Error
Offset Error
Conversion Time
Clock Frequency
Analog Supply Voltage
External Voltage Reference
Input Voltage
Input Bandwidth
Internal 1.1V Reference
Internal 2.56V Reference
Reference Input Resistance
Analog Input Resistance
ADC Conversion Output
DIFF
ADC Characteristics, Single Ended Channels. T = -40°C to +85°C
must be below V
REF
.
(2)
V
ADC clock = 200 kHz
V
ADC clock = 1 MHz
V
ADC clock = 200 kHz
Noise Reduction Mode
V
ADC clock = 1 MHz
Noise Reduction Mode
V
ADC clock = 200 kHz
V
ADC clock = 200 kHz
V
ADC clock = 200 kHz
V
ADC clock = 200 kHz
Free Running Conversion
Single Ended Conversions
Differential Conversions
Single Ended Conversions
Differential Conversions
Single Ended Conversions
Differential Conversions
REF
REF
REF
REF
REF
REF
REF
REF
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
Condition
CC
CC
CC
CC
CC
CC
CC
CC
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
V
Min
CC
GND
2.0
2.0
1.0
2.3
13
50
0
0
- 0.3
(1)
Typ
38.5
2.56
100
1.5
2.5
0.5
2.5
1.5
1.1
35
2
3
1
4
(1)
AVCC - 1.0
V
AV
CC
Max
AVCC
1000
1023
V
260
2.8
1.2
10
CC
REF
+ 0.3
(1)
(2)
2588E–AVR–08/10
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
V
V
V
V