MICRF218(2007) データシートの表示（PDF） - Micrel

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MICRF218
(Rev.:2007)

3.3V, QwikRadio® 300 MHz to 450 MHz Receiver

Micrel 

Micrel

Absolute Maximum Ratings(1)

Supply Voltage (VDD) ................................................ +5V

Input Voltage............................................................. +5V

Junction Temperature..........................................+150°C

Lead Temperature (soldering, 10sec.) ..................260°C

Storage Temperature (TS) .................... -65ºC to +150°C

Maximum Receiver Input Power........................ +10dBm

ESD Rating(3) .......................................................... 3KV

MICRF218

Operating Ratings(2)

Supply voltage (VDD) ............................ +3.0V to +3.6V

Ambient Temperature (TA) .................. –40°C to +85°C

Input Voltage (VIN).......................................3.6V (Max)

Maximum Input RF Power ..............................–20dBm

Operating Frequency ..........................300 to 450 MHz

Electrical Characteristics(4)

Specifications apply for VDD = 3.0V, VSS = 0V, CAGC = 4.7uF, CTH = 0.1uF, Bold values indicate –40°C - TA +85°C.

Symbol Parameter

Condition

Min Typ Max Units

Continuous Operation, fRX = 315 MHz

4.0

mA

IDD

MICRF218 Operating

Supply Current

20:1 Duty Cycle, fRX = 315 MHz

Continuous Operation, fRX = 433.92 MHz

0.2

mA

5.5

mA

Ishut

Shut down Current

RF/IF Section

Image Rejection

20:1 Duty Cycle, fRX = 433.92 MHz

0.3

mA

1

µA

20

dB

1st IF Center

Frequency

fRX = 315 MHz, Narrow IF

fRX = 433.92 MHz, Narrow IF

0.98

MHz

1.4

MHz

1st IF Center

Frequency

fRX = 315 MHz, Wide IF

fRX = 433.92 MHz, Wide IF

1.8

MHz

2.4

MHz

Receiver Sensitivity @ fRX = 315 MHz, Narrow IF (50 ohms)

1kbps

fRX = 433.92 MHz, Narrow IF (50 ohms)

-108

-108

dBm

dBm

Receiver Sensitivity @

1kbps

IF Bandwidth

Antenna Input

Impedance

Receive Modulation

Duty Cycle

fRX = 315 MHz, Wide IF (50 ohms)

fRX = 433.92 MHz, Wide IF (50 ohms)

fRX = 315 MHz, Narrow IF

fRX = 433.92 MHz, Narrow IF

fRX = 315 MHz, Wide IF

fRX = 433.92 MHz, Wide IF

fRX = 315 MHz

fRX = 433.92 MHz

Note 6

-106

-106

400

550

1000

1500

16-j211

9.54-j152

20

80

dBm

dBm

kHz

kHz

kHz

kHz

Ω

Ω

%

September 2007

4

M9999-090607

(408) 944-0800

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