ATTINY25-20SUR Atmel, ATTINY25-20SUR Datasheet - Page 172

• Manufacturer Part Number: ATTINY25-20SUR
• Description: MCU AVR 2KB FLASH 20MHZ 8SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY25-20SUR

• 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: 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 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

21.7
Table 21-8.
Note:
172
Symbol
AREF
R
R
V
V
REF
INT
AIN
IN
ADC Characteristics
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)
Differential Non-linearity (DNL)
Gain Error
Offset Error
Conversion Time
Clock Frequency
Input Voltage
Input Bandwidth
External Reference Voltage
Internal Voltage Reference
Internal 2.56V Reference
Analog Input Resistance
ADC Output
ADC Characteristics, Single Ended Channels. T
(1)
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
V
REF
REF
REF
REF
REF
REF
REF
REF
CC
> 3.0V
= 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,
A
= -40°C to +85°C
GND
Min
2.0
1.0
2.3
14
50
0
38.4
2.56
Typ
100
1.5
2.5
0.5
2.5
1.5
1.1
32
2
3
1
1000
V
1023
Max
V
280
1.2
2.8
10
REF
CC
2586M–AVR–07/10
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
V
V