MICRF219AYQS(2009) 데이터 시트보기 (PDF) - Micrel

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MICRF219AYQS
(Rev.:2009)

300MHz to 450MHz ASK Receiver with RSSI, Auto-Poll, Bit-Check and Squelch

Micrel 

Micrel

MICRF219

Absolute Maximum Ratings(1)

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

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

Junction Temperature ...........................................+150ºC

Lead Temperature (soldering, 10sec.) ....................300°C

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

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

EDS Rating(3)................................................... 2KV HBM

Operating Ratings(2)

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

Ambient Temperature (TA) ................. –40°C to +105°C

Input Voltage (Vin) ................................................. 3.6V

Maximum Input RF Power................................. -20dBm

Receive Modulation Duty Cycle(6) .................... 20~80%

Frequency Range...........................300MHz to 450MHz

Electrical Characteristics

Specifications apply for VDD = 3.3V, GND = 0V, CAGC = 4.7µF, CTH = 0.1µF, fRX = 433.92 MHz unless otherwise noted.

Bold values indicate –40°C – TA – 105°C. 1kbps data rate (Manchester encoded), reference oscillator frequency =

13.52127MHz.

Parameter

Condition

Min

Typ Max Units

Operating Supply

Current

Continuous Operation, fRX = 315MHz

Continuous Operation, fRX = 433.92MHz

4.0

mA

6.0

Shutdown Current

0.15

µA

Receiver

Image Rejection

25

dB

1st IF Center

Frequency

Receiver Sensitivity @

1kbps (Note 4)

fRX = 315MHz

fRX = 433.92MHz

fRX = 315 MHz, 50 Ω BER=10-2

fRX = 433.92MHz, 50 Ω BER=10-2

0.86

1.2

-110

-110

MHz

dBm

IF Bandwidth

fRX = 315MHz

fRX = 433.92MHz

235

kHz

330

Antenna Input

Impedance

fRX = 315MHz

fRX = 433.92MHz

32 – j235

Ω

19 – j174

Receive Modulation

Duty Cycle

Note 5

20

80

%

AGC Attack / Decay

Ratio

tATTACK / tDECAY

0.1

AGC pin leakage

current

TA = 25ºC

TA = +105ºC

± 30

nA

± 800

nA

AGC Dynamic Range

RFIN @ -40dBm

RFIN @ -100dBm

1.15

V

1.70

V

Reference Oscillator

Reference Oscillator

Frequency

fRX = 315 MHz, Crystal Load Cap = 10pF

fRX = 433.92 MHz, Crystal Load Cap = 10pF

9.81563

13.52127

MHz

Reference Oscillator

Input Impedance

RO1

1.6

kΩ

January 2009

3

M9999-011509

(408) 944-0800

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