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參數(shù)資料
| 型號： | AS1704-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.6W Single-Channel Audio Power Amplifiers |
| 中文描述： | 1.6 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, MSOP-10 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 187K |
| 代理商： | AS1704-T |
AS1702, AS1703, AS1704, AS1705
1.6W Single-Channel Audio Power Amplifiers
austria
micro
systems
Data Sheet
www.austriamicrosystems.com
Revision 1.01
1 - 13
1 General Description
The AS1702, AS1703, AS1704, and AS1705 are single-
channel differential audio power-amplifiers designed to
drive 4 and 8
loads. The integrated gain circuitry of
these amplifiers and their small size make them ideal for
2.7- to 5V-powered portable audio devices.
The differential input design improves noise rejection
and provides common-mode rejection. A bridge-tied
load (BTL) design minimizes external component count,
while providing Hi-Fi audio power amplification.
The devices deliver 1.6W continuous average power per
channel to a 4
load with less than 1% total harmonic
distortion (plus noise), while operating from a single 2.7
to 5V supply.
In order to facilitate reduced component designs, the
devices are available with different gain levels:
!
AS1702 – Adjustable Gain (via external components)
!
AS1703 – A
V
= 0dB
!
AS1704 – A
V
= 3dB
!
AS1705 – A
V
= 6dB
Integrated shutdown circuitry disables the bias genera-
tor and amplifiers, and reduces quiescent current con-
sumption to less than 100nA. The shutdown input can
be set as active-high or active-low. All devices contain
comprehensive click-and-pop suppression circuitry that
reduces audible clicks and pops during power-up and
shutdown.
The AS1702, AS1703, AS1704, and AS1705 are pin
compatible with the LM4895 and the MAX9718A/B/C/D.
The devices are available in a 10-pin MSOP package.
Figure 1. Simplified Block Diagram
2 Key Features
!
2.7 to 5.5V (V
CC
) Single-Supply Operation
!
THD+N: 1.6W into 4
at 1% (per Channel)
!
Differential Input
!
Adjustable Gain Option (AS1702)
!
Internal Fixed Gain to Reduce External Component
Count (AS1703, AS1704, AS1705)
!
<100nA Low-Power Shutdown Mode
!
Click and Pop Suppression
!
Pin-Compatible National Semiconductor LM4895
(AS1705) and Maxim MAX9718A/B/C/D
!
Operating Temperature Range: -40 to +85°C
!
Low-Cost MSOP-10 Package
3 Applications
The devices are ideal as audio front-ends for battery
powered audio devices such as MP3 and CD players,
mobile phones, PDAs, portable DVD players, and any
other hand-held battery-powered device.
AS1702, AS1703,
AS1704, AS1705
OUT+
Single Supply
2.7 to 5.5V
SHDN
IN+
IN-
OUT-
SHDM
R
L =
4 or 8
+
–
GND
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS1705 | 1.6W Single-Channel Audio Power Amplifiers |
| AS1705-T | ECONOLINE: REC3-S_DR/H1 - 3W DIP Package- 1kVDC Isolation- Regulated Output- UL94V-0 Package Material- Continuous Short Circiut Protection- Internal SMD design- 100% Burned In- Efficiency to 75% |
| AS1710A-ASCT | Single, 100mA, 10MHz, 10V/us; Package Type: SC70-6; Shutdown: Yes |
| AS1710B-ASCT | Single, 100mA, 10MHz, 10V/us; Package Type: SC70-5 |
| AS1713-BTDT | 10MHz 10V/μs, Rail-to-Rail I/O |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS1704V | 功能描述:IC AMP AUDIO MONO 1.8W 10-DFN RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:AB 類 輸出類型:2 通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:- 電源電壓:4 V ~ 18 V 特點(diǎn):- 安裝類型:通孔 供應(yīng)商設(shè)備封裝:8-DIP 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 |
| AS1704V-T | 功能描述:IC AMP AUD 1.8W 3DB GAIN 10-DFN RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:D 類 輸出類型:1-通道（單聲道），帶立體聲耳機(jī) 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:930mW x 1 @ 8 歐姆; 40mW x 2 @ 16 歐姆 電源電壓:2.7 V ~ 5.5 V 特點(diǎn):消除爆音，差分輸入，I²C，靜音，關(guān)閉，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) 其它名稱:MAX97000EWA+T-ND |
| AS1705 | 功能描述:IC AMP AUDIO MONO 1.8W 10-MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:AB 類 輸出類型:2 通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:- 電源電壓:4 V ~ 18 V 特點(diǎn):- 安裝類型:通孔 供應(yīng)商設(shè)備封裝:8-DIP 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 |
| AS1705-T | 功能描述:IC AMP AUD 1.8W 6DB GAIN 10-MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:D 類 輸出類型:1-通道（單聲道），帶立體聲耳機(jī) 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:930mW x 1 @ 8 歐姆; 40mW x 2 @ 16 歐姆 電源電壓:2.7 V ~ 5.5 V 特點(diǎn):消除爆音，差分輸入，I²C，靜音，關(guān)閉，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) 其它名稱:MAX97000EWA+T-ND |
| AS1705V | 功能描述:IC AMP AUDIO MONO 1.8W 10-DFN RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:AB 類 輸出類型:2 通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:- 電源電壓:4 V ~ 18 V 特點(diǎn):- 安裝類型:通孔 供應(yīng)商設(shè)備封裝:8-DIP 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 |
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