Rainbow Electronics ATmega128RFA1 - Manual (Page 506)

506
8266A-MCU Wireless-12/09
ATmega128RFA1
Symbol Parameter Condition Min
(1)
Typ
(1)
Max
(1)
Units
VREF = 1.6V CLKADC = 200kHz
Single Ended Conversion
VREF = 1.6V
CLKADC = 1MHz
TBD LSB
Single Ended Conversion
VREF = 1.6V
CLKADC = 2MHz
TBD LSB
INL, DNL, quantization error,
gain and offset error)
Single Ended Conversion
VREF = 1.6V
CLKADC = 4MHz
TBD LSB
Integral Non-Linearity (INL) Single Ended Conversion
VREF = 1.6V
CLKADC = 4MHz
0.8 LSB
Differential Non-Linearity
(DNL) Single Ended Conversion
VREF = 1.6V
CLKADC = 4MHz
-0.5 LSB
Gain Error Single Ended Conversion
VREF = 1.6V
CLKADC = 4MHz
1 LSB
Offset Error Single Ended Conversion
VREF = 1.6V
CLKADC = 4MHz
1.5 LSB
Conversion Time Free Running Conversion 3 240 µ s
Clock Frequency Single Ended Conversion 8000 kHz
V
REF
Reference Voltage 1.5 AVDD V
V
IN
Input Voltage 0 AVDD V
Input Bandwith 20 kHz
R
REF
Reference Input Resistance TBD kΩ
R
AIN
Analog Input Resistance 2 kΩ
Note: 1. Values are guidelines only
2. All values are valid for EVDD = 3.0V
Table 34-12. PGA and ADC Characteristics, Differential Channels
Symbol Parameter Condition Min (1) Typ (1) Max (1) Units
Gain = 1x 10 Bits
Gain = 10x 10 Bits Resolution
Gain = 200x 10 Bits
Gain = 1x
VREF = 1.6V
CLKADC = 2MHz
TBD LSB
Gain = 10x
VREF = 1.6V
CLKADC = 2MHz
TBD LSB
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Gain = 200x
VREF = 1.6V
CLKADC = 2MHz
TBD LSB
Gain = 1x
VREF = 1.6V
CLKADC = 2MHz
3 LSB
Gain = 10x
VREF = 1.6V
CLKADC = 2MHz
5 LSB
Integral Non-Linearity (INL)
Gain = 200x
VREF = 1.6V
CLKADC = 2MHz
10 LSB
Differential Non-Linearity
(DNL) Gain = 1x
VREF = 1.6V
CLKADC = 2MHz
-0.5 LSB