MICRF219A datasheet(4/23 Pages) MICREL

4 / 23 page

Micrel, Inc.

MICRF219A

July 2011

M9999-071811-A

RadioTech@micrel.com or (408) 944-0800

Absolute Maximum Ratings(1)

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

SQ, SEL0, SEL1, SCLK,

SHDN DC Voltage. ........................

−0.3V to VDD + 0.3V

ANT DC Voltage............................................ -0.3V to +0.3V

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

°C

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

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

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

ESD Rating

(3).........................................................3kV HBM

Operating Ratings(2)

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

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

Maximum Input RF Power...........................................0dBm

Receive Modulation Duty Cycle ........................20% to 80%

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

Electrical Characteristics(4)

VDD = 3.3V, VSHDN = 0V, SQ = open, CCAGC = 4.7µF, CCTH = 0.1µF, unless otherwise noted. Bold values indicate

–40°C ≤ TA ≤ 105°C. “Bit rate” refers to the encoded bit rate throughout this datasheet (see Note 4).

Parameter

Condition

Min.

Typ.

Max.

Units

Continuous Operation, fRF = 315MHz

4.3

Operating Supply Current

Continuous Operation, fRF = 433.92MHz

6.0

Sleep Current

Only sleep clock is on

µA

Shutdown Current

VSHDN = VDD

0.1

µA

Receiver

433.92MHz, D[4:3] = 00, BER = 1%

−112.5

433.92MHz, D[4:3] = 00, BER = 0.1%

−110

315MHz, D[4:3] = 01, BER = 1%

−112.5

Conducted Receiver Sensitivity @

1kbps (Note 5)

315MHz, D[4:3] = 01, BER = 0.1%

−110

dBm

Image Rejection

fIMAGE = fRF – 2fIF

fRF = 315MHz

0.85

IF Center Frequency (fIF)

fRF = 433.92MHz

1.18

MHz

fRF = 315MHz

235

−3dB IF Bandwidth

fRF = 433.92MHz

330

kHz

−40dBm RF input level

1.15

CAGC Voltage Range

−100dBm RF input level

1.55

Reference Oscillator

fRF = 315MHz

9.81713

Reference Oscillator Frequency

fRF = 433.92MHz

13.52313

MHz

Reference Buffer Input Impedance

RO1 when driven externally

1.6

kΩ

Reference Oscillator Bias Voltage

RO2

1.15

Reference Oscillator Input Range

External input, AC couple to RO1

0.2

1.5

VP-P

Reference Oscillator Source Current

VRO1 = 0V

300

µA

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