MC3335DW datasheet(2/6 Pages) MOTOROLA

Part #	MC3335DW

Description	Low Power Narrowband FM Receiver

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Manufacturer	MOTOROLA [Motorola, Inc]

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MC3335

2

MOTOROLA ANALOG IC DEVICE DATA

MAXIMUM RATINGS (TA = 25°C, unless otherwise noted)

Rating

Symbol

Value

Unit

Power Supply Voltage

5

VCC(max)

7.0

Vdc

Operating Supply Voltage Range

(Recommended)

5

VCC

2.0 to 6.0

Vdc

Input Voltage (VCC > 5.0 Vdc)

1,20

V1–20

1.0

Vrms

Junction Temperature

–

TJ

150

°C

Operating Ambient Temperature Range

–

TA

– 40 to + 85

°C

Storage Temperature Range

–

Tstg

– 65 to + 150

°C

ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, fo = 49.7 MHz, Deviation = 3.0 kHz, TA = 25°C, test circuit of Figure 2,

unless otherwise noted.)

Characteristic

Min

Typ

Max

Unit

Drain Current

5

–

4.5

7.0

mAdc

Input for – 3.0 dB Limiting

–

0.7

2.0

µVrms

Recovered Audio (RF Signal Level = 1.0 mV)

12

–

250

–

mVrms

Noise Output (RF Signal Level = 0 mV)

12

–

250

–

mVrms

Carrier Detect Threshold (below VCC)

9

–

0.64

–

Vdc

Meter Drive Slope

9

–

100

–

µA/dB

Input for 20 dB (S + N/N)

–

1.3

–

µVrms

First Mixer 3rd Order Intercept (Input)

–

– 20

–

dBm

First Mixer Input Resistance (Rp)

–

690

–

Ω

First Mixer Input Capacitance (Cp)

–

7.2

–

pF

First Mixer Conversion Voltage Gain

–

18

–

dB

Second Mixer Conversion Voltage Gain

–

21

–

dB

Detector Output Resistance

12

–

1.4

–

k

Ω

Figure 1. Test Circuit

68 k

+

0.1

VCC

0.1

VCC

10 k

39 pF

Ceramic

Filter

455 kHz

To Carrier

Detect Indicator

15

6

5

4

3

2

13

14

1

16

17

18

19

200 k

10

9

20

12

8

7

11

10.245 MHz

7.5 k

RA

300

0.1

1.0

0.01

0.1

56 pF

20 k

1.4

Ceramic Filter

10.7 MHz

39 MHz

RF Input

49.7 MHz

2.6

Lp

Cp

= 660

µH

= 180 pF

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