NJM2295A(2003) 查看數據表（PDF） - Japan Radio Corporation

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NJM2295A
(Rev.:2003)

FM IF IC FOR REMOTE KEYLESS ENTRY SYSTEM

Japan Radio Corporation  

NJM2295A

■ TERMINAL FUNCTION

PIN No.

SYMBOL

FUNCTION

13

LPF OUT Output terminal of a low pass filter.

Reference input terminal of a wave

8

FSK REF shaping comparator. Connected

with an external capacitor.

Output terminal of a wave shaping

17

FSK OUT

circuit. The Wave shaped signal

inverted for the LPF output comes

out.

Control terminal of a battery saving

15

BS

circuit.

H : This circuit is ON.

L : This circuit is OFF.

Control terminal of a quick charge /

16

CHARGE

discharge circuit.

H : This circuit is ON.

L : This circuit is OFF.

5

V+1

On and ;after IF supply voltage.

3

GND1

On and after IF ground.

20

V+2

Supply voltage for mixer and OSC.

18

GND2

Ground for mixer and OSC

-6-

EQUIVALENT CIRCUIT

-

-

-

-

[CAUTION]

The specifications on this databook are only

given for information , without any guarantee

as regards either mistakes or omissions. The

application circuits in this databook are

described only to show representative usages

of the product and not intended for the

guarantee or permission of any right including

the industrial rights.

Ver.2003-12-09

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