MICRF211 datasheet(3/18 Pages) MICREL

3 / 18 page

Micrel

MICRF211

March 2007

M9999-030107

(408) 944-0800

Absolute Maximum Ratings

(1)

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

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

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

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

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

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

ESD Rating

(3) .................................................. 2KV CDM

...................................................200V HBM

................................ 100V Machine Model

Operating Ratings

(2)

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

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

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

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

Electrical Characteristics

(4)

Specifications apply for 3.0V < VDD < 3.6V, VSS = 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.

Symbol

Parameter

Condition

Min

Typ

Max

Units

ISS

Operating Supply

Current

Continuous Operation, fRX = 433.92MHz

6.0

ISHUT

Shut down Current

0.5

µA

RF/IF Section

Image Rejection

st IF Center

Frequency

fRX = 433.92MHz

1.2

MHz

Receiver Sensitivity @

1kbps

fRX = 433.92MHz (matched to 50 Ω)

BER=10

-2

-110

dBm

IF Bandwidth

fRX = 433.92MHz

330

kHz

Antenna Input

Impedance

fRX = 433.92MHz

19 –

j174

Ω

Receive Modulation

Duty Cycle

Note 5

AGC Attack / Decay

Ratio

tATTACK / tDECAY

0.1

AGC pin leakage

current

TA = 25ºC

TA = +105ºC

± 2

± 800

RFIN @ -40dBm

1.15

AGC Dynamic Range

RFIN @ -100dBm

1.70

Reference Oscillator

Frequency

fRX = 433.92 MHz

Crystal Load Cap = 10pF

13.52127

MHz

Reference Oscillator

Input Impedance

300

Ω

Reference Oscillator

Input Range

0.2

1.5

Vp-p

Reference Oscillator

Source Current

V(REFOSC) = 0V

3.5

µA

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