Datasheet

Section 22 Electrical Characteristics
Rev.7.00 Dec. 24, 2008 Page 682 of 698
REJ09B0074-0700
22.6 A/D Conversion Characteristics
Table 22.9 lists the A/D conversion characteristics.
Table 22.9 A/D Conversion Characteristics
Condition A: V
CC
= PLL V
CC
= Dr V
CC
= 2.4 V to 3.6 V, Vref = 2.4 V to V
CC
, V
SS
= PLLV
SS
=
Dr V
SS
= 0 V, f = 32.768 kHz, 6 MHz, T
a
= –20°C to +75°C (regular specifications),
T
a
= –40°C to +85°C (wide-range specifications)
Condition B: V
CC
= PLL V
CC
= Dr V
CC
= 2.7 V to 3.6 V, Vref = 2.7 V to V
CC
, V
SS
= PLLV
SS
=
Dr V
SS
= 0 V, f = 32.768 kHz, 6 MHz to 16 MHz, T
a
= –20°C to +75°C (regular
specifications), T
a
= –40°C to +85°C (wide-range specifications)
Condition C: V
CC
= PLL V
CC
= Dr V
CC
= 3.0 V to 3.6 V, Vref = 3.0 V to V
CC
, V
SS
= PLLV
SS
=
Dr V
SS
= 0 V, f = 32.768 kHz, 6 MHz to 24 MHz, T
a
= –20°C to +75°C (regular
specifications), T
a
= –40°C to +85°C (wide-range specifications)
Condition D: V
CC
= PLL V
CC
= Dr V
CC
= 3.0 V to 3.6 V, Vref = 3.0 V to V
CC
, V
SS
= PLLV
SS
=
Dr V
SS
= 0 V, f = 32.768 kHz, 16 MHz to 24 MHz, T
a
= −20°C to +75°C (regular
specifications), T
a
= −40°C to +85°C (wide-range specifications)
Condition A Condition B, C, D
Item Min. Typ. Max. Min. Typ. Max. Unit
Resolution 10 10 10 10 10 10 bits
Conversion time 21.8 — — 8.1 — — µs
Analog input capacitance — — 20 — — 20 pF
Permissible signal-source
impedance
— — 5 — — 5 kΩ
Nonlinearity error — — ±6.0 — — ±6.0 LSB
Offset error — — ±4.0 — — ±4.0 LSB
Full-scale error — — ±4.0 — — ±4.0 LSB
Quantization — — ±0.5 — — ±0.5 LSB
Absolute accuracy — — ±8.0 — — ±6.0 LSB