Ad Conversion Characteristics - Toshiba TLCS-900/H1 Series Manual
Original cmos 32-bit microcontroller
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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
<VREFON> = 1
Analog current for analog reference voltage
<VREFON> = 0
Total error
(Quantize error of ± 0.5 LSB is included.)
Note 1: 1LSB = (VREFH – VREFL) / 1024 [V]
Note 2: Minimum frequency for operation
AD converter operation is guaranteed only when using fc (high-frequency oscillator). fs is not guaranteed.
However, operation is guaranteed if the clock frequency selected by the clock gear is over 4MHz.
Note 3: The value for Icc includes the current which flows through the AV
Symbol
Min
− 0.2
V
V
REFH
CC
V
V
REFL
SS
AV
V
CC
CC
AV
V
SS
SS
AV
V
IN
REFL
I
REF
E
T
92CH21-483
Typ.
Max
Unit
V
V
CC
CC
+ 0.2
V
V
SS
SS
V
V
CC
CC
V
V
SS
SS
V
REFH
0.8
1.35
mA
μA
0.02
5.0
±1.0
±4.0
LSB
pin.
CC
TMP92CH21
V
2006-09-15
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