attiny25v ATMEL Corporation, attiny25v Datasheet - Page 173

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

Table 21-9.
Note:
2586K–AVR–01/08
Symbol
V
V
AREF
V
R
R
IN
DIFF
INT
REF
AIN
1. Values are preliminary for ATtiny25 and ATtiny85.
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 (Unipolar 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
Min
GND
2.0
1.0
70
50
0
(1)
ATtiny25/45/85
Typ
10.0
20.0
10.0
10.0
15.0
100
4.0
3.0
4.0
1.1
32
4
(1)
V
V
REF
Max
CC
1023
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
280
200
V
1.2
10
10
CC
/Gain
- 1.0
(1)
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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