LA1833N Просмотр технического описания (PDF) - SANYO -> Panasonic

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LA1833N

System-on-Chip Tuner IC for Home Stereo Systems

SANYO -> Panasonic 

Pin Descriptions

Pin No.

Pin

Voltage (V)

LA1833N, 1833NM

Functional description

1

FM IF input

Vreg

The input impedance, ri, is 330 Ω

2

AM MIX output

VCC

The mixer coil is connected between pins

2 and 9

3

REG

2.1

Vreg = 2.1 V

4

AM IF input

Vreg

The input impedance, ri, is 2 kΩ

5

GND

0

Tu-LED

6

ST-LED

7

Also functions as the

AM stereo IF output

These are active-low open-collector

outputs.

VCC

Set up the current flowing in to these pins

to exceed 100 µA.

Recommended ceramic discriminators

8

FM-DET

VCC – 2.1

FCD1070MA11UK2L (TDK)

CDA10.7MG86N (Murata Mfg. Co., Ltd.)

9

VCC

AM/FM IF counter

output

Also functions as a

10

control switch

Also functions as the

muting switch

5.0

V10 ≤ 0.5 V: Reception state (normal)

0

1.4 V ≤ V10 ≤ 2.2 V: Muting on state.

V10 ≥ 3.5 V: Muting on and IF counter on

(seek state).

Equivalent circuit

1

3

2

ILA00220

ILA00221

3

4

6

ILA00222

ILA00223

7

ILA00224

8

ILA00225

10

ILA00226

Continued on next page.

No. 6568-3/10

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