SI4012 查看數據表（PDF） - Silicon Laboratories

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SI4012

CRYSTAL-LESSFSK/OOK RF TRANSMITTER

Silicon Laboratories 

Si4012

1. Electrical Specifications

Table 1. Recommended Operating Conditions1

Parameter

Supply Voltage

Supply Voltage Slew Rate

Input Voltage

Symbol

VDD

Test Condition

Initial Battery Insertion2

Digital Input Signals

Min

Typ

Max Unit

1.8

—

3.6

V

20

—

650

mV/

us

–0.3

—

VDD +

0.3

V

Notes:

1. All specifications guaranteed by production test unless otherwise noted. Production test conditions and max limits are

listed in "1.1. Definition of Test Conditions" on page 7.

2. Recommend bypass capacitor = 1 µF; slew rate measured 1 V < VDD ,< 1.7 V.

Table 2. DC Characteristics*

Parameter

Symbol

Conditions

Min Typ Max Units

Power Saving Modes

IShutdown

Lowest current mode

—

10

— nA

IIdle

Register values retained,

lowest current consumption idle mode

—

600

—

µA

TX Mode Current @ 10 dBm

ITX_OOK

ITX_FSK

OOK, Manchester encoded

FSK

— 14.2 — mA

— 19.8 — mA

*Note: All specifications guaranteed by production test unless otherwise noted. Production test conditions and max limits are

listed in "1.1. Definition of Test Conditions" on page 7.

4

Rev 1.1

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