LA1838 datasheet(4/9 Pages) SANYO

부품명	LA1838

상세설명	Single-Chip Home Stereo IC with Electronic Tuning Support

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제조업체	SANYO [Sanyo Semicon Device]

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Pin No.

Pin function

Pin voltage

Notes

Equivalent circuit

Vreg – 1.4

VCC

Vreg

Coil Specifications

• AM oscillator (for the DUT)

HW-50425 (Mitsumi)

Pin Functions

• IFT

YD-1073-1 (Mitsumi)

No. 5888-4/9

LA1838

3

1

2

4

6

A10633

- 2T

- 9T

- x 86T

QO ≥ 80

L = 270

µH

3

1

2

4

S

6

YD-1073

SFU450B

A10634

- x 58T

- 7T

- 94T

fO = 450 kHz

QO = 110

A 180-pF capacitor is built in

With an external SFU450B

FM IF input

AM mixer output

1

2

Input impedance ri = 330 Ω

Connect the mixer coil between this pin and VCC

1

3

A10635

2

A10636

1

3

A10635

Vreg

FM IF input

bypass

3

Also used for the MPX regulator filter

4

A10637

Vreg

0 V

AM IF input

GND

4

5

Input impedance ri = 2 kΩ

6

7

A10638

VCC

TU-LED

ST-LED,

AF-IF output

6

7

Active low

Open collector

AM stereo IF output (pin 7)

The influx current must be held under 150 µA.

A10639

9

28

VCC

FM detector

9

The CDA10.7 MG74 (Murata Mfg. Co., Ltd.) is

recommended as the ceramic discriminator. A

device with a series resistance of 270

Ω must be

used.

VCC

8

Continued on next page.

유사한 부품 번호 - LA1838

제조업체	부품명	데이터시트	상세설명
Sanyo Semicon Device	LA1831	304Kb / 14P	Support for AM Stereo and Electronic Tuning Single Chip Music Center IC (AM/FM IF MPX) for Use in Compact Radio/Casette Products
	LA1831M	304Kb / 14P	Support for AM Stereo and Electronic Tuning Single Chip Music Center IC (AM/FM IF MPX) for Use in Compact Radio/Casette Products
	LA1832	339Kb / 15P	Support for AM Stereo and Electronic Tuning Radio Cassette Recorder/Music Center-Use Single-Chip IC (AM/FM IF MPX)
	LA1832M	339Kb / 15P	Support for AM Stereo and Electronic Tuning Radio Cassette Recorder/Music Center-Use Single-Chip IC (AM/FM IF MPX)
	LA1833N	101Kb / 10P	System-on-Chip Tuner IC for Home Stereo Systems

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유사한 설명 - LA1838

제조업체	부품명	데이터시트	상세설명
Sanyo Semicon Device	LA1837	255Kb / 9P	Single-Chip Home Stereo IC with Electronic Tuning Support
	LA1835	338Kb / 14P	Home Stereo Single-Chip Tuner IC with Electronic Tuning Support
	LA1837	216Kb / 9P	For Home Stereo IC with Electronic Tuning Support Single-Chip IC
	LA1836	535Kb / 13P	Single-Chip Home Stereo Electronic Tuning IC
	LA1845NV	837Kb / 10P	Single-Chip Home Stereo IC
	LA1845N	190Kb / 10P	Single-Chip Home Stereo IC
	LA1845NV	541Kb / 10P	Single-Chip Home Stereo IC
	LA1845N	125Kb / 9P	For Home Stereo IC Single-Chip Tuner IC
	LA1844M	618Kb / 11P	For Home Stereo Single-chip Tuner IC
	LA1844MC	852Kb / 11P	Monolithic Linear IC For Home Stereo Single-chip Tuner IC

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LA1838 데이터시트(PDF) 4 Page - Sanyo Semicon Device

LA1838 데이터시트(HTML) 4 Page - Sanyo Semicon Device

유사한 부품 번호 - LA1838

유사한 설명 - LA1838

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