MICRF007 データシートの表示（PDF） - Micrel

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MICRF007

QwikRadio® Low-Power UHF Receiver

Micrel 

MICRF007

Ordering Information

Part Number

Standard

Pb-Free

MICRF007BM

MICRF007YM

Junction Temp. Range

–40°C to +85°C

Package

8-pin SOIC

Pin Configuration

MICRF007BM

VSS 1

ANT 2

VDD 3

CTH 4

8 REFOSC

7 CAGC

6 SHUT

5 DO

8-Pin SOIC (M)

Micrel

Pin Description

Pin Number

1

2

3

4

5

6

7

8

Pin Name

VSS

ANT

VDD

CTH

DO

SHUT

CAGC

REFOSC

Pin Function

Ground: Signal and power ground.

Antenna (Analog Input): High-impedance, internally AC-coupled receiver

input. For optimal performance, the ANT pin should be impedance matched

to the antenna.

Power Supply (Input): Positive supply input. Connect a low ESL, low ESR

de-coupling capacitor from this pin to VSS. Lead lengths should be as short

as possible.

Data Slicing Threshold Capacitor (Analog I/O): Capacitor connected to this

pin extracts the DC average value from the demodulated waveform which

becomes the reference for the internal data slicing comparator.

Data Output (Digital Output): CMOS-level compatible data output signal.

Shutdown (Digital Input): Shutdown-mode logic-level control input. Pull low

to enable the receiver. Internally pulled-up to VDD.

Automatic Gain Control (Analog I/O): Connect an external capacitor to set

the attack/decay ratio of the on-chip automatic gain control.

Reference Oscillator: Timing reference, sets the RF receive frequency.

M9999-021705

2

February 17, 2005

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