Datasheet
RL78/G12 3. ELECTRICAL SPECIFICATIONS (G: T
A = −40 to +105°C)
R01DS0193EJ0200 Rev.2.00
Sep 06, 2013
Page 95 of 106
3.6 Analog Characteristics
3.6.1 A/D converter characteristics
Classification of A/D converter characteristics
Input channel Reference Voltage
Reference voltage (+) = AVREFP
Reference voltage (−) = AVREFM
Reference voltage (+) = V
DD
Reference voltage (−) = VSS
Reference voltage (+) = V
BGR
Reference voltage (−) = AVREFM
ANI0 to ANI3 Refer to 3.6.1 (1). Refer to 3.6.1 (3). Refer to 3.6.1 (4).
ANI16 to ANI22 Refer to 3.6.1 (2).
Internal reference voltage
Temperature sensor
output voltage
Refer to 3.6.1 (1).
−
(1) When reference voltage (+) = AVREFP/ANI0 (ADREFP1 = 0, ADREFP0 = 1), reference voltage (−) = AVREFM/ANI1
(ADREFM = 1), target pin: ANI2, ANI3, internal reference voltage, and temperature sensor output voltage
(T
A = −40 to +105°C, 2.4 V ≤ AVREFP ≤ VDD ≤ 5.5 V, VSS = 0 V, Reference voltage (+) = AVREFP, Reference voltage (−) =
AVREFM = 0 V)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Resolution RES 8 10 bit
Overall error
Note 1
AINL 10-bit resolution
AV
REFP = VDD
Note 3
1.2 ±3.5 LSB
Conversion time tCONV 10-bit resolution
Target pin: ANI2, ANI3
3.6 V ≤ VDD ≤ 5.5 V 2.125 39
μ
s
2.7 V ≤ VDD ≤ 5.5 V 3.1875 39
μ
s
2.4 V ≤ VDD ≤ 5.5 V 17 39
μ
s
10-bit resolution
Target pin: Internal
reference voltage, and
temperature sensor
output voltage
(HS (high-speed main)
mode)
3.6 V ≤ V
DD ≤ 5.5 V 2.375 39
μ
s
2.7 V ≤ VDD ≤ 5.5 V 3.5625 39
μ
s
2.4 V ≤ VDD ≤ 5.5 V 17 39
μ
s
Zero-scale error
Notes 1, 2
EZS 10-bit resolution
AV
REFP = VDD
Note 3
±0.25 %FSR
Full-scale error
Notes 1, 2
EFS 10-bit resolution
AV
REFP = VDD
Note 3
±0.25 %FSR
Integral linearity error
Note 1
ILE 10-bit resolution
AV
REFP = VDD
Note 3
±2.5 LSB
Differential linearity error
Note 1
DLE 10-bit resolution
AV
REFP = VDD
Note 3
±1.5 LSB
Analog input voltage VAIN ANI2, ANI3 0 AVREFP V
Internal reference voltage
(HS (high-speed main) mode)
VBGR
Note 4
V
Temperature sensor output voltage
(HS (high-speed main) mode)
VTMPS25
Note 4
V
(Notes are listed on the next page.)