MICRF004BN datasheet(4/16 Pages) MICREL

4 / 16 page

MICRF004/RF044

Micrel

MICRF004

February 9, 2000

Electrical Characteristics

DDRF = VDDBB = VDD where +4.75V ≤ VDD ≤ 5.5V, VSS = 0V; CAGC = 4.7µF, CTH = 0.047µF; fREFOSC = 4.65MHz; TA = 25°C, bold

values indicate –40

°C ≤ T

A ≤ +85°C; current flow into device pins is positive; unless noted.

Symbol

Parameter

Condition

Min

Typ

Max

Units

Operating Current

continuous operation

2.4

10:1 duty cycle

240

µA

STBY

Standby Current

SHUT = VDD

0.35

µA

RF Section, IF Section

Receiver Sensitivity

Notes 4, 6

–80

dBm

IF Center Frequency

Note 7

0.86

MHz

IF 3dB Bandwidth

Notes 6, 7

0.43

MHz

ANT

RF Input Range

145

200

MHz

IN(ant)

Antenna Input Impdeance

IN = 150MHz

422

Ω

Receive Modulation Duty-Cycle

Maximum Receiver Input

SC = 50Ω

–20

dBm

Spurious Reverse Isolation

ANT pin, R

SC = 50Ω, Note 5

µVrms

AGC Attack to Decay Ratio

ATTACK ÷ tDECAY

0.1

AGC Leakage Current

A = +85°C

±200

Reference Oscillator

extermal reference (250mV peak)

Stabilization Time

ceramic resonator

crystal

REFOSC

Reference Oscillator

290

Ω

Input Impedance

Reference Oscillator

Note 10

0.1

Vp-p

Input Sensitivity

REFOSC

Reference Oscillator Current

4.5

µA

Demodulator

CTH

CTH Source Impedance

Note 8

124

Ω

∆Z

CTH

CTH Source Impedance Variation

±15

ZCTH(leak)

CTH Leakage Current

A = +85°C

±200

Demodulator Filter Bandwidth

SEL0 = VSEL1 = VSWEN = VDD, Notes 7, 9

3960

Demodulator Filter Bandwidth

SEL0 = VSEL1 = VDD, VSWEN = VSS,

7930

Note 7, 9

Absolute Maximum Ratings (Note 1)

Supply Voltage (V

DDRF, VDDBB) .................................... +7V

Reference Oscillator Input Voltage (V

REFOSC) .......... VDDBB

Input/Output Voltage (V

I/O) ................. VSS–0.3 to VDD+0.3

Junction Temperature (T

J) ...................................... +150°C

Storage Temperature Range (T

S) ............ –65°C to +150°C

Lead Temperature (soldering, 10 sec.) ................... +260

°C

ESD Rating, Note 3

Operating Ratings (Note 2)

Supply Voltage (V

DDRF, VDDBB) ................ +4.75V to +5.5V

Ambient Temperature (T

A) ......................... –40°C to +85°C

Package Thermal Resistance (

JA)

16-pin DIP (

JA) ................................................... 90°C/W

16-pin SOIC (

JA) .............................................. 120°C/W

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