參數(shù)資料
型號： LA4587
廠商： Sanyo Electric Co.,Ltd.
英文描述： Tuning Fork Crystal; Frequency:32.768kHz; Crystal Terminals:Radial Leaded; ESR:35kohm; Leaded Process Compatible:No; Mounting Type:Through Hole; Peak Reflow Compatible (260 C):No; Number of Pins:2
中文描述： 前置放大器功率放大器為1.5 V耳機(jī)音響
文件頁數(shù)： 7/18頁
文件大?。?/td> 342K
代理商： LA4587
Continued from preceding page.
Unit (resistance:
, capacitance: F)
Pin No.
Pin name
Pin voltage
[V]
0
Internal equivalent circuit
Remarks
23
26
METAL1
METAL2
c
Connected to GND through
3.9 k
in metal on mode (pin
40: floating)
24
25
AMSS IN1
AMSS IN2
0.75
c
AMSS inverting input
connection.
c
An external input resistor is
required.
29
30
31
32
PRE REV IN1
PRE REV IN2
PRE FWD IN2
PRE FWD IN1
0.75
b
Pins 29 and 30 turn on in
REV mode (pin 39: GND).
c
Pins 31 and 32 turn on in
FWD mode (pin 39: floating)
c
When not using the head, a
bias resistor (2.2 k
) is
required between these pins
and V
REF
(pin 33).
c
An anti-buzz capacitor is built
in.
c
V
REF
amplifier output. Low
impedance is achieved due
to the output resistor (ro =
10
).
c
Inflow/outflow current:
200 μA max.
33
V
REF
0.75
34
REF
0.75
c
The V
REF
amplifier is
referenced hereto.
36
AMSS OUT
c
Outputs a pulse waveform in
accordance with the AMSS
IN (pins 24 and 25) input
level.
Continued on next page.
LA4587M
No.5204-7/18
相關(guān)PDF資料
PDF描述
LA4587M Tuning Fork Crystal; Frequency:32.768kHz; Frequency Tolerance:+/- 20 ppm; Load Capacitance:12.5pF; Crystal Terminals:PCB Surface Mount; ESR:50kohm; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Number of Pins:4
LA4589 1.5V Stereo Headphone Preamplifier and Power Amplifier
LA4589W XTAL, 32.768 KHZ SURFACE MOUNT WATCH CRYSTAL
LA4590W XTAL, 32.768KHZ 30PPM 12 P
LA4592W 1.5-V Preamplifier + Power Amplifier for Headphone Stereo Products
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LA4587M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Preamplifier + Power Amplifier for 1.5 V Headphone Stereos
LA4589 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1.5V Stereo Headphone Preamplifier and Power Amplifier
LA4589W 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1.5V Stereo Headphone Preamplifier and Power Amplifier
LA4590W 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1.5V Stereo Headphone Preamplifier and Power Amplifier
LA4592W 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1.5-V Preamplifier + Power Amplifier for Headphone Stereo Products
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