LA7770 データシートの表示（PDF） - SANYO -> Panasonic

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コンポーネント説明

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LA7770

FSK Receiver for CATV Use

SANYO -> Panasonic 

LA7770

Operating Characteristics at Ta = 25˚C

Parameter

Quiescent current

Circuit current

Mixer input capacitance

Mixer input resistance

Mixer voltage gain

–3dB limiting sensitivity

S/N

Total harmonic distortion

Demodulation output

AM rejection

Meter drive

Squelch threshold voltage

Data shaper input current

Output saturation voltage

Duty

Symbol

Conditions

Icco

ICC

ci

ri

Vgm

Vi

S/N

THD

Vo

AMR

ID

V14TH

I16

V18(sat)

| TD |

SQ-off

SQ-on

100MHz

100MHz

RL=300Ω, 106.5M → 10.7M

∆F=±75kHz dev, at 1kHz

∆F=±75kHz dev, at 1kHz

∆F=±75kHz dev, at 1kHz

∆F=±75kHz dev, at 1kHz

AM : 30% at 1kHz

300µA → 600µA

DC

DC

I18=2mA

f=14kHz

Equivalent Circuit Block Diagram

Ratings

min

typ

22

29

23.0 30.5

7

680

9

12

25

47

55

0.6

300 440

47

55

5

12

0.8

1.5

0.7

0.1

2.5

Unit

max

37 mA

39.0 mA

pF

Ω

15 dB

31 dB/µV

dB

2%

600 mVrms

dB

20 µA/dB

2.2 V

3.0 µA

0.7 V

5.0 %

No.2208–2/7

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