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參數(shù)資料
| 型號： | NJM2775AM |
| 廠商： | New Japan Radio Co., Ltd. |
| 元件分類： | 音頻放大器 |
| 英文描述： | PRE&HI-POWER AMPLIFIER with ALC for PORTABLE TAPE RECORDER |
| 中文描述： | 預(yù) |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 24K |
| 代理商： | NJM2775AM |
NJM2775A
PRELIMINARY
- 1 -
PRE&HI-POWER AMPLIFIER with ALC for PORTABLE TAPE RECORDER
I
GENERAL DESCRIPTION
The NJM2775A
is a pre&power amplifier with ALC
designed for micro and compact cassette recorders.
It contains pre-amplifier, ALC circuit, power amplifiers,
and ripple filter. The pre-amplifier amplifies the signal
come from magnetic head. The ALC circuit limits the
input signal to optimize level in recording. The power
amplifiers drive a speaker in play back and the magnetic
head in recording. The ripple filter stabilizing the supply
voltage to the internal pre-amplifier and an external
condenser microphone.
The NJM2775A improves high output power compared
with the NJM2128.
It is suitable for portable tape recorder, and other
portable playing back and recording recorder items.
I
FEATURES
G
Operating Voltage
V
+
=1.8 to 6.0V
G
Operating Current
9mA typ.
G
Output Power
350mW typ. at V
+
=3V,R
L
=4
,THD=10%
G
Automatic Level Control
200mVrms typ., at f=1kHz
(ALC) Limit Level
G
Ripple Filter R.R.
47dB typ., at f=200Hz,C=47
μ
F
(Ripple Rejection)
G
Bipolar Technology
G
Package Outline
DMP16
I
PIN CONFIGURATION
I
PACKAGE OUTLINE
1
2
3
4
16
15
14
13
POW-INA
POW+INA
PREOUT
PGND
PRE-IN
12
PRE
AMP
5
6
POW+INB
7
RFOUT
11
PRE+IN
10
V
+
POW-INB
ALCIN
POWOUTA
POWOUTB
SGND
8
9
POWER
AMPA
RIPPLE
FILTER
ALC
POWER
AMPB
RFIN
TC
NJM2775AM
PIN FUNCTION
1.PRE +IN
2.SGND
3.POW +1NA
4.POW -INA
5.POW -INB
6.POW +INB
7.REFOUT
8.REFIN
9.ALCIN
10.TC
11.POW OUTB
12.PGND
13. V
+
14.POW OUTA
15.PREOUT
16.PRE -IN
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| NJM2776RB2 | Headphone Amplifier for Portable Audio |
| NJM2777 | Headphone Amplifier with Electronic Volume |
| NJM2777D | Headphone Amplifier with Electronic Volume |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NJM2775AM-TE1 | 功能描述:音頻放大器 With ALC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NJM2775AM-TE2 | 功能描述:音頻放大器 With ALC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NJM2776RB1 | 制造商:New Japan Radio Co Ltd (NJR/JRC) 功能描述:Cut Tape |
| NJM2776RB2-TE1 | 功能描述:音頻放大器 Headphone Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NJM2776RB2-TE2 | 功能描述:音頻放大器 Headphone Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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