RX62T_15 Datasheet, PDF (119/136 Pages) Renesas Technology Corp – Renesas MCUs

Under development ^{Preliminary document}
Specifications in this document are tentative and subject to change.
RX62T Group, RX62G Group
5. Electrical Characteristics
Table 5.16 12-Bit A/D Conversion Characteristics
Note:Items for which test conditions are not specifically stated in the table below have the same values under conditions 1 to 3.
Condition 1: VCC = PLLVCC = 2.7 to 3.6 V, VSS = PLLVSS = AVSS0 = AVSS = VREFL0 = 0 V
AVCC0 = AVCC = 3.0 to 3.6 V, VREFH0 = 3.0 V to AVCC0, VREF = 3.0 V to AVCC
Ta = Topr, ICLK = 8 to 100 MHz, PCLK = 8 to 50 MHz
Item
Min.
Typ.
Max.
Unit
Test Conditions
Resolution
Conversion time*¹
(AD clock = 25-MHz operation)
12
12
12
Bit
2.0
-
-
s
Sampling 20 states
Analog input capacitance
Integral nonlinearity error
-
-
6
pF
-
-
4.0
LSB
Offset error
-
-
7.5
LSB
Full-scale error
Quantization error
-
-
7.5
LSB
-
0.5
-
LSB
Absolute
When a sample-and-hold circuit -
-
8.0
LSB
AVin = 0.25 to AV_REFH -
accuracy
is in use
0.25
When a sample-and-hold circuit -
-
8.0
LSB
AVin = AV_REFL to AV_REFH
is not in use
Permissible signal source impedance
-
-
3.0
k
Condition 2: VCC = PLLVCC = 2.7 to 3.6 V, VSS = PLLVSS = AVSS0 = AVSS = VREFL0 = 0 V
AVCC0 = AVCC = 4.0 to 5.5 V, VREFH0 = 4.0 V to AVCC0, VREF = 4.0 V to AVCC
Condition 3: VCC = PLLVCC = 4.0 to 5.5 V, VSS = PLLVSS = AVSS0 = AVSS = VREFL0 = 0 V
AVCC0 = AVCC = 4.0 to 5.5 V, VREFH0 = 4.0 V to AVCC0, VREF = 4.0 V to AVCC
Ta = Topr. Ta is the same under conditions 2 and 3. ICLK = 8 to 100 MHz, PCLK = 8 to 50 MHz.
Item
Min.
Resolution
12
Conversion time*¹
1.0
(AD clock = 25-MHz operation)
Analog input capacitance
-
Integral nonlinearity error
-
Offset error
-
Full-scale error
-
Quantization error
-
Absolute
accuracy
When a sample-and-hold circuit -
is in use
When a sample-and-hold circuit -
is not in use
Permissible signal source impedance
-
Typ.
12
-
-
-
-
-
0.5
-
-
-
Max.
Unit
12
Bit
-
s
6
pF
4.0
LSB
7.5
LSB
7.5
LSB
-
LSB
8.0
LSB
8.0
LSB
3.0
k
Test Conditions
Sampling 20 states
AVin = 0.25 to AV_REFH -
0.25
AVin = AV_REFL to AV_REFH
Note 1. The conversion time includes the sampling time and the comparison time. As the test conditions, the number of sampling states
is indicated.
R01DS0096EJ0200 Rev.2.00
Jan 10, 2014
Page 119 of 134