C8051F040 View Datasheet(PDF) - Silicon Laboratories
Part Name
Description
MFG CO.
'C8051F040' PDF : 328 Pages View PDF
C8051F040/1/2/3/4/5/6/7
Table 9.1. Voltage Reference Electrical Characteristics
VDD = 3.0 V, AV+ = 3.0 V, –40 to +85°C unless otherwise specified.
Parameter
Conditions
Min Typ
Max
Units
Internal Reference (REFBE = 1)
Output Voltage
25 °C ambient
2.36 2.43
2.48
V
VREF Short-Circuit Current
—
—
30
mA
VREF Temperature Coefficient
— 15
—
ppm/°C
Load Regulation
Load = 0 to 200 µA to AGND
— 0.5
—
ppm/µA
VREF Turn-on Time 1
4.7 µF tantalum, 0.1 µF
ceramic bypass
—
2
—
ms
VREF Turn-on Time 2
0.1 µF ceramic bypass
— 20
—
µs
VREF Turn-on Time 3
no bypass cap
— 10
—
µs
Reference Buffer Power Sup-
ply Current
— 40
—
µA
Power Supply Rejection
— 140
—
ppm/V
External Reference (REFBE = 0)
Input Voltage Range
1.00 — (AV+) – 0.3
V
Input Current
—
0
1
µA
Rev. 1.5
115
Share Link: 
