ATmega32A Datasheet - Sunrom Technologies

ATmega32ATable 27-5. ADC Characteristics, Differential channels, T A = -40°C to 85°CSymbol Parameter Condition Min Typ Max UnitsResolutionAbsolute AccuracyIntegral Non-Linearity (INL)(Accuracy after calibration for Offset andGain Error)Gain ErrorOffset ErrorGain = 1x 10 BitsGain = 10x 10 BitsGain = 200x 10 BitsGain = 1xV REF = 4V, V CC = 5VADC clock = 50 - 200kHzGain = 10xV REF = 4V, V CC = 5VADC clock = 50 - 200kHzGain = 200xV REF = 4V, V CC = 5VADC clock = 50 - 200kHzGain = 1xV REF = 4V, V CC = 5VADC clock = 50 - 200kHzGain = 10xV REF = 4V, V CC = 5VADC clock = 50 - 200kHzGain = 200xV REF = 4V, V CC = 5VADC clock = 50 - 200kHz17 LSB16 LSB7 LSB0.75 LSB0.75 LSB2 LSBGain = 1x 1.6 %Gain = 10x 1.5 %Gain = 200x 0.2 %Gain = 1xV REF = 4V, V CC = 5VADC clock = 50 - 200kHzGain = 10xV REF = 4V, V CC = 5VADC clock = 50 - 200kHzGain = 200xV REF = 4V, V CC = 5VADC clock = 50 - 200kHz1 LSB1.5 LSB4.5 LSBClock Frequency 50 200 kHzConversion Time 65 260 µsAVCC Analog Supply Voltage V CC - 0.3 (1) V CC + 0.3 (2) VV REF Reference Voltage 2.0 AVCC - 0.5 VV IN Input voltage GND AVCC VV DIFF Input differential voltage -V REF /Gain V REF /Gain / VADC conversion output -511 511 LSBInput bandwith 4 kHz8155C–AVR–02/11305