R01UH0823EJ0100 Rev.1.00
Page 1803 of 1823
Jul 31, 2019
RX23W Group
51. Electrical Characteristics
51.7
Temperature Sensor Characteristics
51.8
Comparator Characteristics
Table 51.48
Temperature Sensor Characteristics
Conditions: 2.0 V ≤ VCC = VCC_USB = AVCC0 = VCC_RF = AVCC_RF ≤ 3.6 V, VSS = AVSS0 = VSS_USB = VSS_RF = 0 V,
T
a
= –40 to +85°C
Item
Symbol
Min.
Typ.
Max.
Unit
Test Conditions
Relative accuracy
―
―
±1.5
―
°C
2.4 V or above
―
±2.0
―
Below 2.4 V
Temperature slope
―
―
–3.65
―
mV/°C
Output voltage (25°C)
―
―
1.05
―
V
VCC = 3.3 V
Temperature sensor start time
t
START
―
―
5
μs
Sampling time
―
5
―
―
μs
Table 51.49
Comparator Characteristics
Conditions: 1.8 V ≤ VCC = VCC_USB = AVCC0 = VCC_RF = AVCC_RF ≤ 3.6 V, VSS = AVSS0 = VSS_USB = VSS_RF = 0 V,
T
a
= –40 to +85°C
Item
Symbol
Min.
Typ.
Max.
Unit
Test Conditions
CVREFB2, CVREFB3 input reference voltage
VREF
0
—
VCC - 1.4
V
CMPB2, CMPB3 input voltage
VI
–0.3
—
VCC + 0.3
V
Offset
Comparator high-speed
mode
—
—
—
50
mV
Comparator high-speed
mode
Window function enabled
—
—
—
60
mV
Comparator low-speed
mode
—
—
—
40
mV
Comparator
output delay time
Comparator high-speed
mode
Td
—
—
1.2
μs
VCC = 3 V,
input slew rate ≥ 50 mV/μs
Comparator high-speed
mode
Window function enabled
Tdw
—
—
2.0
μs
Comparator low-speed
mode
Td
—
—
5.0
μs
High-side reference voltage
(comparator high-speed mode, window
function enabled)
VRFH
—
0.76 VCC
—
V
Low-side reference voltage
(comparator high-speed mode, window
function enabled)
VRFL
—
0.24 VCC
—
V
Operation stabilization wait time
Tcmp
100
—
—
μs