C8051F334 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F334

Mixed-Signal ISP Flash MCU

Silicon Laboratories 

C8051F330/1/2/3/4/5

Table 7.1. Voltage Reference Electrical Characteristics

VDD = 3.0 V; –40 to +85 °C unless otherwise specified.

Parameter

Conditions

Min Typ Max

Internal Reference (REFBE = 1)

Output Voltage

25 °C ambient

2.38 2.44 2.50

Units

V

VREF Short-Circuit Current

VREF Temperature 

Coefficient

Load Regulation

Load = 0 to 200 µA to AGND

VREF Turn-on Time 1

4.7 µF tantalum, 0.1 µF ceramic

bypass

VREF Turn-on Time 2

0.1 µF ceramic bypass

—

—

10

mA

— 15 — ppm/°C

— 0.5 — ppm/µA

—

2

—

ms

— 20 —

µs

VREF Turn-on Time 3

no bypass cap

— 10 —

µs

Power Supply Rejection

— 140 —

ppm/V

External Reference (REFBE = 0)

Input Voltage Range

Input Current

ADC Bias Generator

Reference Bias Generator

Sample Rate = 200 ksps; VREF =

3.0 V

Power Specifications

BIASE = ‘1’ or AD0EN = ‘1’ or

IOSCEN = ‘1’

REFBE = ‘1’ or TEMPE = ‘1’ or

IDA0EN = ‘1’

0

—

VDD

V

— 12 —

µA

— 100 —

µA

— 40 —

µA

Rev. 1.7

63

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