NJM2549 Ver la hoja de datos (PDF) - Japan Radio Corporation

Número de pieza

componentes Descripción

fabricante

NJM2549

WIDE BAND FM IF DEMODULATOR

Japan Radio Corporation  

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

Supply Voltage

V+

Power Dissipation

PD

Operating Temperature

Topr

Storage Temperature

Tstg

RATINGS

10

300

- 40 to + 85

- 50 to + 125

NJM2549

(Ta=25°C)

UNIT

V

mW

°C

°C

RECOMMENDED OPERATIONAL CONDITION

PARAMETER

SYMBOL

TEST CONDITIONS

Supply Voltage

V+

MIN.

2.7

(Ta=25°C)

TYP. MAX. UNIT

3

9

V

ELECTRICAL CHARACTERISTICS

(Ta = 25°C, V+ = 3V, IF IN = 10.7MHz / 80dBuV, fdev = ± 10kHz, fmod = 1kHz, unless otherwise noted)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN. TYP. MAX. UNIT

Current Consumption

Iccq

No Signal,

Test Circuit 1

-

3

3.7 mA

IF

IF Input / Output Gain

G IF

IF IN = 20dBuV ,

Test Circuit 4

70

75

80

dB

The ratio from the gain at 10.7MHz

f IF1 to the gain at 1MHz,

-3

0

3

IF Output Gain Frequency

Characteristics

Test Circuit 4

The ratio from the gain at 10.7MHz

dB

f IF2 to the gain at 15MHz,

Test Circuit 4

-4

-1

2

IF Amplifier Input Resistance

RI IF

2 - 4 pin Resistance,

Test Circuit 3

8.5

10

11.5

kΩ

IF Output Level

VO IF

RL = 15kΩ, No Modulation,

Test Circuit 4

350 425 500 mVpp

Duty Ratio of Wave IF Output

DR IF

RL = 15kΩ, No Modulation,

Test Circuit 4

44

50

58

%

IF Output Current

I OIF

No Signal,

Test Circuit 4

230 290 350 uA

Ver.2010-06-24

-2-

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