Datasheet

Section 27 Electrical Characteristics
Rev. 6.00 Mar. 18, 2010 Page 904 of 982
REJ09B0054-0600
27.4.4 A/D Conversion Characteristics
A/D converter characteristics for the F-ZTAT and masked ROM versions are shown in table
27.35.
Table 27.35 A/D Conversion Characteristics (F-ZTAT and Masked ROM Versions)
Condition: V
CC
= 3.0 V to 5.5 V, AV
CC
= 3.6 V to 5.5 V, V
ref
= 3.6 V to AV
CC
,
V
SS
= AV
SS
= 0 V, φ = 2 MHz to 13.5 MHz, T
a
= –20°C to +75°C (regular
specifications), T
a
= –40°C to +85°C (wide-range specifications)
Condition
Item Min Typ Max Unit
Resolution 10 10 10 bit
Conversion time 9.6 ⎯ ⎯ µs
Analog input capacitance ⎯ ⎯ 20 pF
Permissible signal-source impedance ⎯ ⎯ 5 kΩ
Nonlinearity error ⎯ ⎯ ±6.0 LSB
Offset error ⎯ ⎯ ±4.0 LSB
Full-scale error ⎯ ⎯ ±4.0 LSB
Quantization ⎯ ⎯ ±0.5 LSB
Absolute accuracy ⎯ ⎯ ±8.0 LSB
27.4.5 D/A Conversion Characteristics
Table 27.36 lists the D/A conversion characteristics.
Table 27.36 D/A Conversion Characteristics (F-ZTAT and Masked ROM Versions)
Condition: V
CC
= 3.0 V to 5.5 V, AV
CC
= 3.6 V to 5.5 V, V
ref
= 3.6 V to AV
CC
,
V
SS
= AV
SS
= 0 V, φ = 2 MHz to 13.5 MHz, T
a
= –20°C to +75°C (regular
specifications), T
a
= –40°C to +85°C (wide-range specifications)
Condition
Item Min Typ Max Unit Test Conditions
Resolution 8 8 8 bit
Conversion time ⎯ ⎯ 10 µs 20-pF capacitive load
Absolute accuracy ⎯ ±2.0 ±3.0 LSB 2-MΩ resistive load
⎯ ⎯ ±2.0 LSB 4-MΩ resistive load