MC3371DTB View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

View to exact match

MC3371DTB

LOW POWER FM IF

Motorola => Freescale 

MC3371 MC3372

MC3372 PIN FUNCTION DESCRIPTION

OPERATING CONDITIONS VCC = 4.0 Vdc, RFIn = 100 µV, fmod = 1.0 kHz, fdev = 3.0 kHz. MC3372 at fRF = 45 MHz (see Figure 13).

Pin

Symbol

Internal Equivalent

Circuit

Description

Waveform

5

IFIn

IF Amplifier Input

6

DEC1

5

IFIn

6

DEC

53 k

60 µA

IF Decoupling. External 0.1 µF

capacitors connected to VCC.

7

IFOut

VCC

7

IFOut

IF Amplifier Output Signal level is

typically 300 mVpp.

50 µA

120 µA

8

QuadIn

8

QuadIn

VCC

Quadrature Detector Input. Signal

level is typically 150 mVpp.

10 50 µA

9

RA

Recovered Audio. This is a composite

FM demodulated output having signal

and carrier components. Typical level

is 800 mVpp.

VCC

200 9

RAOut

100 µA

The filtered recovered audio has the

carrier signal removed and is typically

500 mVpp.

MOTOROLA ANALOG IC DEVICE DATA

9

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