attiny25v ATMEL Corporation, attiny25v Datasheet - Page 172

• Manufacturer Part Number: attiny25v
• Description: Microcontroller With 2/4/8k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

21.7
Table 21-8.
Note:
172
Symbol
AREF
R
R
V
V
REF
AIN
INT
IN
ADC Characteristics – Preliminary
1. Values are preliminary for ATtiny25 and ATtiny85.
ATtiny25/45/85
Parameter
External Reference Voltage
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
Internal Voltage Reference
Analog Input Resistance
ADC Output
ADC Characteristics, Single Ended Channels. -40°C - 85°C
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
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,
Min
GND
2.0
1.0
14
50
0
(1)
Typ
38.4
100
1.5
2.5
0.5
2.5
1.5
1.1
32
2
3
1
(1)
Max
1000
1023
V
280
V
1.2
10
REF
CC
(1)
2586K–AVR–01/08
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
V