Adc Characteristics - Preliminary Data - Atmel ATtiny25 Manual

22.4 ADC Characteristics – Preliminary Data
Table 22-3. ADC Characteristics, Single Ended Channels. -40°C - 125°C.
Symbol Parameter
Resolution
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Integral Non-linearity (INL)
Differential Non-linearity (DNL)
Gain Error
Offset Error
Conversion Time
Clock Frequency
AVCC Analog Supply Voltage
V Input Voltage
IN
Input Bandwidth
V Internal Voltage Reference
INT
R Analog Input Resistance
AIN
Note: 1. All DC Characteristics contained in this data sheet result from actual silicon characterization.
2. Minimum for AVCC is 2.7V.
3. Maximum for AVCC is 5.5V.
7598H–AVR–07/09
Condition
Single Ended Conversion
Single Ended Conversion
V = 4V, V = 4V,
REF CC
ADC clock = 200 kHz
Single Ended Conversion
V = 4V, V = 4V,
REF CC
ADC clock = 1 MHz
Single Ended Conversion
V = 4V, V = 4V,
REF CC
ADC clock = 200 kHz
Noise Reduction Mode
Single Ended Conversion
V = 4V, V = 4V,
REF CC
ADC clock = 1 MHz
Noise Reduction Mode
Single Ended Conversion
V = 4V, V = 4V,
REF CC
ADC clock = 200 kHz
Single Ended Conversion
V = 4V, V = 4V,
REF CC
ADC clock = 200 kHz
Single Ended Conversion
V = 4V, V = 4V,
REF CC
ADC clock = 200 kHz
Single Ended Conversion
V = 4V, V = 4V,
REF CC
ADC clock = 200 kHz
Free Running Conversion
ATtiny25/45/85
(1)
. PRELIMINARY
(1) (1)
Min Typ
2
3
1.5
2.5
1
0.5
2.5
1.5
13
50
(2)
V - 0.3
CC
GND
38.5
1.0 1.1
100
(1)
Max Units
10 Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
260 µs
1000 kHz
(3)
V + 0.3 V
CC
V -50mV V
REF
kHz
1.2 V
MΩ
153