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參數(shù)資料
| 型號： | 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耳機音響 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 216K |
| 代理商： | LA4581MB |
Preamplifier + Power Amplifier
for 3V Headphone Stereos
Overview
The LA4581MB is an auto reverse-supported preamplifier +
power amplifier IC that is intended for use in 3V headphone
stereos.
Features
.
Preamplifier muting and preamplifier output on/off can be
implemented with one pin. This IC can easily be used to
construct a set with a radio.
.
The power amplifier needs no input/output coupling
capacitor.
.
A high-frequency cut capacitor is connected to the
preamplifier input pin and the power amplifier input pin.
(Anti-buzz provision)
.
Because V
ref
AMP (r
0
= 10
) is built in, the virtual
grounding impedance is about 10
. This eliminates the
need for a large capacitor.
.
8
speaker drivable.
Package Dimensions
unit : mm
3112-MFP24S
[LA4581MB]
SANYO : MFP24S
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Symbol
V
CC
max
Pd max
Topr
Tstg
Conditions
Ratings
Unit
V
mW
°C
°C
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
4.5
530
–20 to +75
–40 to +125
Operating Conditions
at Ta = 25°C
Parameter
Symbol
V
CC
V
CC
op
Conditions
Ratings
Unit
V
V
Recommended supply voltage
Operating supply voltage range
3.0
1.8 to 3.6
Operating Characteristics
at Ta = 25°C, V
CC
= 3.0 V, f = 1 kHz, 0.775 V = 0 dBm,
R
L
= 10 k
(preamplifier), R
L
= 16
(power amplifier)
Parameter
Symbol
Output
min
typ
max
Unit
[Pre + Power]
Quiescent current
Voltage gain (Closed)
I
CCO
VG
T
Rg = 2.2 k
(preamplifer) V
IN
= 0 V
V
O
= –5 dBm
17
68
27
71
mA
dB
65
Continued on next page.
Ordering number: EN3535A
Monolithic Linear IC
LA4581MB
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
22896HA(II) No.3535-1/8
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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