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參數(shù)資料
| 型號： | NJM2173A |
| 廠商： | New Japan Radio Co., Ltd. |
| 英文描述： | LOW VOLTAGE MICROPHONE AMPLIFIER for PORTABLE AUDIO |
| 中文描述： | 低電壓的便攜式音頻麥克風(fēng)放大器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 50K |
| 代理商： | NJM2173A |
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NJM2173A
LOW VOLTAGE MICROPHONE AMPLIFIER for PORTABLE AUDIO
I
GENERAL DESCRIPTION
The
NJM2173
is a low voltage microphone amplifier designed
for portable audio items.
It includes standby, two-type gain selector, and power ripple
rejection adjustment circuit. It realizes very low turn-noise at
standby mode.
It is suitable for portable Mini-Disc, portable Compact-Disc, and
other microphone amplifier application.
I
PACKAGE OUTLINE
I
FEATURES
G
Operating Voltage Range 2.7 to 4.5V
G
Operating Current 2.2mA typ. at V
+
=2.7V
G
Supply Current in Standby Mode 1
μ
A max.
G
Maximum Output Voltage -1.5dBV typ. at THD=0.1%
G
Internal Two-type Gain Select Function 13dB typ./ 29dB typ.
G
Internal Standby Function
G
Power Ripple Rejection Terminal 95dB typ. at Gv=13dB
G
Bipolar Technology
G
Package Outline SSOP14
I
PIN CONFIGURATION
1
2
3
4
5
12
13
14
6
7
11
10
9
8
NJM2173V
I
BLOCK DIAGRAM
1
2
3
4
14
13
12
11
Gv
OUT1
DC CUT1
MIC V
+
1
IN1
DC CUT2
IN2
MIC V
+
2
OUT2
10 Gv
AMP1
5
REG
AMP2
6
NOISE
7
GND
9 STBY
8 V
+
REG
NJM2173V
PIN FUNCTION
1. OUT 1
2. DC CUT 1
3. IN 1
4. MIC V
+
1
5. REG
6. NOISE
7. GND
8. V
+
9. STBY
10. Gv
11. MIC V
+
2
12. IN 2
13. DC CUT 2
14. OUT 2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NJM2173AFPC1-TE2 | 功能描述:音頻放大器 Lw V Microphn 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 |
| NJM2173ASE4TE2 | 功能描述:音頻放大器 Lw V Microphn 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 |
| NJM2173AV | 制造商:New Japan Radio Co Ltd (NJR/JRC) 功能描述:Class-AB Tape & Reel 制造商:New Japan Radio 功能描述:Audio Amp Microphone 2-CH Stereo Class-AB 14-Pin SSOP |
| NJM2173AV-TE1 | 功能描述:音頻放大器 Lw V Microphn 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 |
| NJM2173AV-TE2 | 功能描述:音頻放大器 Lw V Microphn 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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