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參數資料
| 型號： | LA4168 |
| 英文描述： | Record/Playback System for Microcassette and Compact Cassette Recorders(148.50 k) |
| 中文描述： | 記錄/回放系統Microcassette和盒式錄音磁帶記錄器（148.50十一） |
| 文件頁數： | 1/6頁 |
| 文件大小： | 148K |
| 代理商： | LA4168 |
Overview
The LA4168M is a record/playback system IC for
microcassette and compact cassette recorders. The
LA4168M is an extremely high-functionality IC that
includes a motor control governor circuit, a voice sensor
circuit that detects sounds and turns motor on or off, a
power switch control circuit that receives an electrical
signal from a photosensor and turns all of the IC function
blocks on or off, and a circuit that increases the speed of
the motor during playback.
Functions
Microphone and playback preamplifiers
Record amplifier
Power amplifier (BTL, 4
)
Automatic stop circuit (power switch)
Governor circuit
Motor speed and high-speed switching circuit
Microphone power supply
LED drive circuit
Voice sensor circuit
Features
Includes a voice switch that can turn the governor on or
off.
Includes a power switch circuit that can turn all the IC
function blocks on or off from a photosensor signal.
During record, the IC can automatically turn the
governor on or off according to the microphone input
level, and furthermore, the governor on/off level can be
continuously adjusted from an external control knob.
(The control used for volume adjustment during
playback.)
Continuously variable microphone monitor level.
Includes a drive pin for an LED that lights only when
the governor is on in record mode.
Monolithic Linear IC
LA4168M
Ordering number : EN5660
73097HA(OT) No. 5660-1/6
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
Record/Playback System for Microcassette and
Compact Cassette Recorders
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
CC
max
Pd max
4.5
V
Allowable power dissipation
800
mW
Operating temperature
Topr
–10 to +50
°C
Storage temperature
Operating Conditions
at Ta = 25°C
Tstg
–55 to +150
°C
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V
CC
V
CC
op
R
L
pwr
R
L
pre
3.0
V
Operating voltage range
1.8 to 3.6
V
k
Load resistance
(power block)
4
(preamplifier block)
10
SANYO: MFP30SD
[LA4168M]
Package Dimensions
unit: mm
3073A-MFP30SD
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| LA4168M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Record/Playback System for Microcassette and Compact Cassette Recorders |
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| LA4175 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:SINGLE-CHIP AF AMPLIFIER |
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