C8051F388 Datasheet, PDF (40/285 Pages) –

C8051F388/9/A/B
Table 5.11. Temperature Sensor Electrical Characteristics
V_DD = 3.0 V, –40 to +85 °C unless otherwise specified.
Parameter
Test Condition
Min
Linearity
—
Slope
—
Slope Error*
—
Offset
Offset Error*
Temp = 0 °C
—
Temp = 0 °C
—
Note: Represents one standard deviation from the mean.
Typ Max Unit
± 0.5 —
°C
2.87 — mV/°C
±120 — μV/°C
764
—
mV
±15
—
mV
Table 5.12. Voltage Reference Electrical Characteristics
V_DD = 3.0 V; –40 to +85 °C unless otherwise specified.
Parameter
Test Condition
Min Typ Max Unit
Internal Reference (REFBE = 1)
Output Voltage
25 °C ambient
2.38 2.42 2.46
V
VREF Short-Circuit Current
—
—
8
mA
VREF Temperature
Coefficient
—
35
— ppm/°C
Load Regulation
Load = 0 to 200 μA to GND
— 1.5 — ppm/μA
VREF Turn-on Time 1
4.7 μF tantalum, 0.1 μF ceramic bypass —
3
—
ms
VREF Turn-on Time 2
0.1 μF ceramic bypass
— 100 —
μs
Power Supply Rejection
— 140 — ppm/V
External Reference (REFBE = 0)
Input Voltage Range
Input Current
1
—
V_DD
V
Sample Rate = 500 ksps; VREF = 3.0 V —
9
—
μA
Power Specifications
Supply Current
—
75
—
μA
40
Rev. 1.1