參數(shù)資料
型號(hào)： LA4581MB
廠商： Sanyo Electric Co.,Ltd.
元件分類： 音頻放大器
英文描述： Oscillator; Frequency:75MHz; Frequency Tolerance:+/-50ppm; Load Capacitance:15pF; Supply Voltage:3.3V; Crystal Terminals:Surface Mount (SMD, SMT)
中文描述： 前置放大器功率放大器為3V耳機(jī)音響
文件頁(yè)數(shù)： 3/8頁(yè)
文件大小： 216K
代理商： LA4581MB
Sample Application Circuit
Pin and external part functions (when the voltage is V
CC
= 3.0 V)
Pin No.
1
Pin Function
PRE GND
PRE IN1R 1.8 V
v
Turns ON when pin 17 is grounded.
v
A bias resistor (2.2 k
) must be connected between pin 2 and pin 24 (V
ref
) when no head is in use.
PRE IN1F 1.8 V
v
Turns ON when pin 17 is floating.
v
A bias resistor (2.2 k
) must be connected between pin 3 and pin 24 (V
ref
) when no head is in use.
PRE NF1 1.8 V
PRE OUT1 1.8 V
v
Like pin 6, 10 k
load drivable.
SW OUT1 1.8V
v
Provides PRE AMP1 output when pin 8 is floating (PRE MUTE OFF)(equivalent to pin 5).
v
Disconnects from PRE AMP1 and sets R
IN
^
500 k
when pin 8 is at V
CC
(PRE MUTE ON).
POWER IN1 1.8V
v
Input resistance R
IN
7
30 k
2
3
4
5
6
7
Continued on next page.
A
Ambient temperature, Ta °C
Preamplifier input is applied to pins 2,23/
pins 3,22 when SW ON/OFF, respectively.
POWER MUTE ON when
connected to GND.
Note) Pre closed loop gain VG = 40 dB/1 kHz NAB
PRE MUTE ON when
connected to VCC
Unit (resistance:
, capacitance: F)
1.8 to 3.6 V
LA4581MB
No.3535-3/8
相關(guān)PDF資料
PDF描述
LA4582 Pre Power Amplifier for 3-V Headphone Stereo Systems
LA4582CM Oscillator; Supply Voltage:5V; Package/Case:14-DIP; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Crystal Terminals:Through Hole; Frequency:3.6864MHz; Frequency Tolerance:100ppm; Load Capacitance:15pF RoHS Compliant: Yes
LA4583 Oscillator; Frequency:22MHz; Frequency Tolerance:+/-25ppm; Load Capacitance:15pF; Supply Voltage:2.84V; Crystal Terminals:Surface Mount (SMD, SMT); Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes RoHS Compliant: Yes
LA4583M SMD, 12.288MHZ, 1MW, 50PPM
LA4585M 3V preamplifier + power amplifier for Headphone Stereo Products(用于耳機(jī)立體聲的3V 前置放大器+功率放大器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LA4582 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Pre Power Amplifier for 3-V Headphone Stereo Systems
LA4582CM 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Pre Power Amplifier for 3-V Headphone Stereo Systems
LA4583 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Cassette Stereo Recording and Playback System
LA4583M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Cassette Stereo Recording and Playback System
LA4585 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:3-V Preamplifier Power Amplifier for Headphone Stereo Products
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