C8051F045 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F045

Mixed Signal ISP Flash MCU Family

Silicon Laboratories 

C8051F040/1/2/3/4/5/6/7

Table 10.1. 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

119

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