MICRF102YM TR【PDF 3/12 页】IC TRANSMITTER ASK UHF 8-SOIC

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Sheet目录55

1页 2页 [3页]4页 5页 6页 7页

December 2006

MICRF102

Micrel

Electrical Characteristics (Note 4)

Speci cations apply for 4.75V < V

< 5.5V, V

= 0.35V, T

= 25癈, freq

REFOSC

= 12.1875MHz, STBY = V

. Bold values indicate

-40癈 d T

d 85癈 unless otherwise noted.

Parameter

Condition

Min

Typ

Max Units

Power Supply

Standby Supply Current, I

STBY

< 0.5V, V

ASK

< 0.5V

or V

ASK

> V

0.5V

0.04

礎

MARK Supply Current, I

@315MHz, Note 5

10.5

@433MHz, Note 5

SPACE Supply Current, I

OFF

@315MHz

@433MHz

8.5

Mean Operating Current

33% mark/space ratio at 315MHz, Note 5

4.7

33% mark/space ratio at 433MHz, Note 5

6.7

RF Output Section and Modulation Limits:

Output Power Level, P

OUT

@315MHz; Note 5, Note 6

dBm

@433MHz; Note 5, Note 6

dBm

Harmonics Output, Note 7

@315MHz

2nd harm.

dBc

3rd harm.

@433 MHz

2nd harm.

dBc

3rd harm.

Extinction Ratio for ASK

dBc

Varactor Tuning Range

Note 8

Reference Oscillator Section

Reference Oscillator Input

300

k?/DIV>

Impedance

Reference Oscillator Source

礎

Current

Reference Oscillator Input

0.2

0.5

Voltage (peak-to-peak)

Note 1. Exceeding the absolute maximum rating may damage the device.

Note 2. The device is not guaranteed to function outside its operating rating.

Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.

Note 4. Speci cation for packaged product only.

Note 5. Supply current and output power are a function of the voltage input on the PC (power control) pin. All speci cations in the Electrical Charac-

teristics table applies for condition V

= 350mV. Increasing the voltage on the PC pin will increase transmit power and also increase MARK

supply current. Refer to the graphs Output Power Versus PC Pin Voltage and Mark Current Versus PC Pin Voltage.

Note 6. Output power speci ed into a 50?/SPAN> equivalent load using the test circuit in Figure 2.

Note 7. The MICRF102 was tested to be compliant to part 15.231 for maximum allowable TX power. The transmitted power is measured 3 meters

from the antenna using transmitter board TX102-2A in Figure 1. Measurement results are summarized in Table 1.

Note 8. The Varactor capacitance tuning range indicates the allowable external antenna component variation to maintain tun-over-normal production

tolerances of external components. Guaranteed by design, not tested in production.

Absolute Maximum Ratings (Note 1)

Supply Voltage(V

) ......................................................+6V

Voltage on I/O Pins ...............................V

0.3 to V

+0.3

Storage Temperature Range ................... 65癈 to + 150癈

Lead Temperature (soldering, 10 seconds) ............ + 300癈

ESD Rating ............................................................... Note 3

Operating Ratings (Note 2)

Supply Voltage (V

) ......................................4.75V to 5.5V

Maximum Supply Ripple Voltage ................................10mV

PC Input Range ..............................150mV < V

< 350mV

Ambient Operating Temperature (T

) ..........-40癈 to +85癈

Programmable Transmitter Frequency Range:

......................................................300MHz to 470MHz

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