Ad Conversion Characteristics - Toshiba H1 Series Data Book

4.4

AD Conversion Characteristics

Parameter
Analog reference voltage ( + )
Analog reference voltage ( − )
AD converter power supply
voltage
AD converter ground
Analog input voltage
Analog current for analog
reference voltage
Total error
(Quantize error of ± 0.5 LSB is
included)
Note1: 1 LSB = (VREFH − VREFL)/1024[V]
Note2: Minimum frequency for operation
Minimum clock for AD converter operate is 3MHz. (Clock frequency that is seleted by Clock gear ≥ f
Note3: The power supply current from AVCC pin is included in the power supply current of VCC pin (ICC).
Symbol Condition
VREFH
VREFL
AVCC
AVSS
AVIN
<VREFON> = 1
IREFON
<VREFON> = 0
IREFOFF
E
Conversion speed at 12uS
T
92CZ26A-664
Min Typ.
AVCC − 0.2
AVCC
DVSS + 0.2
DVSS DVSS
DVCC3A/3B DVCC3A/3B DVCC3A/3B
DVSS DVSS
VREFL
0.38
1
± 2.0
TMP92CZ26A
Max Unit
AVCC
V
DVSS
VREFH
0.45 mA
μ A
5
± 4.0
LSB
= 3MHz)
SYS