Atmel AT90PWM2 Manual page 306

Table 26-5. ADC Characteristics - T
Symbol Parameter
Zero Error (Offset)
Conversion Time
Clock Frequency
AV Analog Supply Voltage
CC
V Reference Voltage
REF
V
IN
Input voltage
Input bandwidth
V Internal Voltage Reference
INT
R Reference Input Resistance
REF
R Analog Input Resistance
AIN
Increased Current
I
HSM
Consumption
4317I–AVR–01/08
= -40°C to +105°C, V
A
Condition
Single Ended Conversion
V = 4.5V, V
CC
ADC clock = 1MHz
Single Ended Conversion
V = 4.5V, V
CC
ADC clock = 500 kHz
Differential Conversion
V = 4.5V, V
CC
ADC clock = 1MHz
Differential Conversion
V = 4.5V, V
CC
ADC clock = 500 kHz
Single Conversion
Single Ended Conversion
Differential Conversion
Single Ended Conversion
Differential Conversion
Single Ended Conversion
Differential Conversion
High Speed Mode
Single Ended Conversion
Notes: 1. On AT90PWM2B/3B, this value will be close to the value at 500kHz.
2. 125KHz when input signal is synchronous with amplifier clock.
= 2.7V to 5.5V (unless otherwise noted) (Continued)
CC
Min
= 4V -4
REF
= 4V -2
REF
= 4V -0.5
REF
= 4V -0.5
REF
8
50
V - 0.3
CC
2.0
2.0
GND
-V /Gain
REF
AT90PWM2/3/2B/3B
Typ Max
0
2.5
-0.5
-0.5
320
2000
V + 0.3
CC
AV
CC
AV
CC - 0.2
V
REF
+V /Gain
REF
38.5
(2)
4
2.56
30
100
380
Units
LSB
LSB
LSB
LSB
µs
kHz
V
V
V
kHz
kHz
V
kΩ
MΩ
µA
307