SIM3C134 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SIM3C134

High-Performance, Low-Power, 32-Bit Precision32™ MCU Family with up to 256 kB of Flash

Silicon Laboratories 

SiM3C1xx

Table 3.14. Voltage Reference Electrical Characteristics

VDD = 1.8 to 3.6 V, –40 to +85 °C unless otherwise specified.

Parameter

Symbol

Test Condition

Min Typ Max Unit

Internal Fast Settling Reference

Output Voltage

VREFFS

Temperature Coefficient

TCREFFS

Turn-on Time

tREFFS

Power Supply Rejection

PSRRREFFS

On-Chip Precision Reference (VREF0)

–40 to +85 °C,

VDD = 1.8–3.6 V

1.62 1.65 1.68 V

—

50

— ppm/°C

—

—

1.5

µs

—

400

— ppm/V

Valid Supply Range

VDD

VREF2X = 0

1.8

—

3.6

V

VREF2X = 1

2.7

—

3.6

V

Output Voltage

VREFP

25 °C ambient,

VREF2X = 0

1.195 1.2 1.205 V

25 °C ambient,

VREF2X = 1

2.39 2.4 2.41 V

Short-Circuit Current

Temperature Coefficient

Load Regulation

ISC

TCVREFP

LRVREFP

—

—

10 mA

—

25

— ppm/°C

Load = 0 to 200 µA to

—

4.5

— ppm/µA

VREFGND

Load Capacitor

CVREFP

Load = 0 to 200 µA to 0.1

—

—

µF

VREFGND

Turn-on Time

tVREFPON

4.7 µF tantalum, 0.1 µF —

3.8

—

ms

ceramic bypass

0.1 µF ceramic bypass —

200

—

µs

Power Supply Rejection

PSRRVREFP

VREF2X = 0

VREF2X = 1

—

320

— ppm/V

—

560

— ppm/V

External Reference

Input Current

IEXTREF

Sample Rate = 250 ksps; —

5.25 —

µA

VREF = 3.0 V

Rev.1.0

21

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