AN7293 데이터 시트보기 (PDF) - Panasonic Corporation

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AN7293

FM-IF, NC, MPX IC for car radio

Panasonic Corporation 

AN7293NSC

ICs for FM/AM Tuner

s Electrical Characteristics at Ta = 25°C

Unless otherwise specified, VCC = 8V, VIN1 is f = 10.70 MHz, Mod. = 1 kHz, 30%

FM modulation stereo input is L + R = 90% VP = 10%

Parameter

Symbol

Conditions

Min Typ Max Unit

SD sensitivity

SD bandwidth

Supply current

Limiting sensitivity

SDS

SDW

ITOT

VLIM

VIN1 when V24 = 2 V, V23 > 2 V

VIN bandwidth when V24 = 2 V,

and V23 > 2 V, VIN1 = 100 dBµ

Without input

VIN1 input level when pin 9 AC

voltage drops by 3 dB

68 78 88 dBµ

100 130 160 kHz

30 37 44 mA

24 32 38 dBµ

ATC

Gate pulse width

VATC L-ch. output ratio when

V6 = 2 V and 0 V

6 10 14 dB

PW VIN2 = (pulse width 1 µs, 0.3 V[p-p] 16 23 30 µs

1 kHz) pin 22 output pulse width

• Design reference data

Note) The following characteristics are the reference values for design and not guaranteed values.

Parameter

Symbol

Conditions

Min Typ Max Unit

Stereo lamp turn-off level

AFC offset voltage

LAMPOFF Ratio between the modulation factor 2.0 6.0 10.0 dB

when pin 23 becomes 2 V or higher

and LAMPON

VAFC Without signal input, DC potential − 0.1 0.0 0.1 V

difference between pin 25 and pin 30

4

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