Hardware manual

Rev. 3.0, 09/98, page 286 of 361
16.2.3 A/D Converter Characteristics
Table 16.9 lists the characteristics of the on-chip A/D converter.
Table 16.9 A/D Converter Characteristics
Condition A: V
CC
= 5.0V ±10%, AV
CC
= 5.0V ±10%, V
SS
= AV
SS
= 0V, φ = 0.5MHz to maximum
operating frequency, Ta = −20 to 75°C (regular specifications),
Ta = −40 to 85°C (wide-range specifications)
Condition B: V
CC
= 3.0V ±10%, AV
CC
= 5.0V ±10%, V
SS
= AV
SS
= 0V, φ = 0.5MHz to
maximum operating frequency, Ta = −20 to 75°C
Condition B Condition A
5MHz 6MHz 8MHz 10MHz
Item Min Typ Max Min Typ Max Min Typ Max Min Typ Max Unit
Resolution 888888888888Bits
Conversion time (single
mode)*

24.4

20.4

15.25

12.2 µs
Analog input capacitance

20

20

20

20 pF
Allowable signal source
impedance

10

10

10

10 k
Ω
Nonlinearity error

±1

±1

±1

±1 LSB
Offset error

±1

±1

±1

±1 LSB
Full-scale error

±1

±1

±1

±1 LSB
Quantizing error

±0.5

±0.5

±0.5

±0.5 LSB
Absolute accuracy

±1.5

±1.5

±1.5

±1.5 LSB
Note: Values at maximum operating frequency