LA1781M_09 datasheet(4/48 Pages) SANYO

tên linh kiện	LA1781M

Giải thích chi tiết về linh kiện	For Car Radios Single-Chip Tuner IC

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nhà sản xuất	SANYO [Sanyo Semicon Device]

Trang chủ	https://www.sanyo-av.com/us/

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4 / 48 page

LA1781M

No.6038-4/48

Package Dimensions

unit : mm (typ)

3159A

Function List

1. FM Front End (Equivalent to the Sanyo LA1193)

4. Multiplex Functions

(1) Double input type double balanced mixer

(1) Adjustment-free VCO circuit

(2) Pin diode drive AGC output

(2) Level follower type pilot canceller circuit

(3) MOSFET second gate drive AGC output

(3) HCC (high cut control)

(4) Keyed AGC adjustment pin

(4) Automatic stereo/mono switching

(5) Differential IF amplifier

(5) VCO oscillation stop function (AM mode)

(6) Wide band AGC sensitivity setting pin, and narrow

(6) Forced monaural

band AGC sensitivity setting pin

(7) SNC (stereo noise controller)

(7) Local oscillator

(8) Stereo display pin

(9) Anti-birdie filter

2. FM IF

(1) IF limiter amplifier

5. AM

(2) S-meter output (also used for AM) 6-stage pickup

(1) Double balanced mixer (1st, 2nd)

(3) Multipath detection pin (shared FM signal meter)

(2) IF amplifier

(4) Quadrature detection

(3) Detection

(5) AF preamplifier

(4) RF AGC (narrow/wide)

(6) AGC output

(5) Pin diode drive pin

(7) Band muting

(6) IF AGC

(8) Weak input muting

(7) Signal meter output (also used for FM)

(9) Soft muting adjustment pin

(8) Local oscillator circuits (first and second)

(10) Muting attenuation adjustment pin

(9) Local oscillator buffer output

(11) IF counter buffer output (also used for AM)

(10) IF counter buffer output (also used by the FM IF)

(12) SD (IF counter buffer on level) adjustment pin

(11) SD (IF counter buffer on level) adjustment pin

(13) SD output (active high) (also used for AM)

(12) SD output (active high) (also used for AM)

(13) Wide AGC

3. Noise Canceller

(14) Detection output frequency characteristics

(1) High-pass filter (first order)

adjustment pin (low cut, high deemphasis)

(2) Delay circuit based low-pass filter (fourth order)

(15) AM stereo buffer

(3) Noise AGC

(4) Pilot signal compensation circuit

6. MRC (multipath noise rejection circuit)

(5) Noise sensitivity setting pin

(6) Function for disabling the noise canceller in AM

7. AM/FM switching output (linked to the FM VCC)

mode

SANYO : QIP64E(14X14)

14.0

17.2

0.15

0.35

0.8

(1.0)

116

17

32

33

48

49

64

Pd max -- Ta

0

400

300

600

500

800

900

950

700

200

100

1000

--40

--20

80

60

20

40

0

100

Ambient temperature, Ta --

°C

Mounted on a specified board :

40

× 80 × 1.3mm3

glass epoxy board

Independent IC

Số phần tương tự - LA1781M_09

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Sanyo Semicon Device	LA1781M	567Kb / 50P	Single-Chip Tuner IC for Car Radios

More results

Mô tả tương tự - LA1781M_09

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Sanyo Semicon Device	LA1780M	764Kb / 38P	Single-Chip Tuner IC for Car Radios
Sanyo Semicon Device	LA1895M	139Kb / 4P	Single-Chip Tuner IC for Car Radios
Silan Microelectronics ...	SA1787	1Mb / 19P	SINGLE-CHIP TUNER IC FOR CAR RADIOS
Sanyo Semicon Device	LA1776M	544Kb / 41P	Single-Chip Tuner IC for Car Radios
	LA1781M	567Kb / 50P	Single-Chip Tuner IC for Car Radios
	LA1787M	600Kb / 54P	Single-Chip Tuner IC for Car Radios
	LA1787M	606Kb / 54P	Single-Chip Tuner IC for Car Radios
	LA1784M	568Kb / 50P	Single-Chip Tuner IC for Car Radios
	LA1776M	544Kb / 41P	Monolithic Linear IC Single-Chip Tuner IC for Car Radios
	LV25200M	523Kb / 45P	Single chip Tuner IC for Car Radio

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