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BA7745 数据表 (PDF) - Rohm

BA7745 Datasheet PDF - Rohm
部件名 BA7745
下载  BA7745 下载

文件大小   96.1 Kbytes
  8 Pages
制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm
功能描述 VCR Hi-Fi audio signal REC / PB amplifier with flying-erase oscillator

BA7745 Datasheet (PDF)

Go To PDF Page 下载 数据表
BA7745 Datasheet PDF - Rohm

部件名 BA7745
下载  BA7745 Click to download

文件大小   96.1 Kbytes
  8 Pages
制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm
功能描述 VCR Hi-Fi audio signal REC / PB amplifier with flying-erase oscillator

BA7745 数据表 (HTML) - Rohm

BA7745 Datasheet HTML 1Page - Rohm BA7745 Datasheet HTML 2Page - Rohm BA7745 Datasheet HTML 3Page - Rohm BA7745 Datasheet HTML 4Page - Rohm BA7745 Datasheet HTML 5Page - Rohm BA7745 Datasheet HTML 6Page - Rohm BA7745 Datasheet HTML 7Page - Rohm BA7745 Datasheet HTML 8Page - Rohm

BA7745 产品详情

VCR Hi-Fi audio signal REC / PB amplifier with flying-erase oscillator

The BA7745FS has the recording and playback amplifiers required for Hi-Fi VCR signal processing, and also contains a flying-erase oscillator. The recording system uses a constant-current amplifeir with AGC to eliminate the need to adjust the recording current, and ensure stable operation as the head wears. The IC also features REC MUTE and OVER REC functions .
The playback system has a high-gain preamplifier, a low-offset head switch, a VCA and an EP-gain amplifier. The flying-erase oscillator has low 2nd and 3rd harmonic distortion, and when connected to an external driver large output current can be obtained.

Features
1) The low-noise playback amplifier has a total gain of 83dB (Typ.). Designed for VHS-bandoperation with low external parts count. It has two built-in circuits for Hi-Fi VCR operation.
2) The circuit has been designed to suppress headswitching noise.
3) Built-in EP / SP gain switching function that boosts the playback gain by 5dB.
4) Built-in VCA for easy playback output adjustment.
5) High-output recording amplifier for audio FM recording.
6) Constant-current drive provides stable recording characteristics when the load (head impedance) is fluctuating.
7) Built-in recording level AGC eliminates the need to adjust recording current.
8) Built-in low-pass filter limits the input bandwidth of the recording amplifier.
9) Built-in OVER REC recording current amplifier function and REC MUTE function that stops recording output.
10) Built-in high-frequency oscillator for use with flying erase function.
11) Record / playback switching can be done directly via the system controller, and consumes litlle power.
12) Possible to construct a high-performance audio system by pairing this chip with a Hi-Fi-audio signal processing IC.

Applications
   VCRs




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关于 Rohm


Rohm半导体是一家日本半导体公司,成立于1958年。

该公司专门设计和制造各种产品,包括电源管理,电源设备以及模拟和混合信号集成电路。

ROHM的产品用于各种应用,例如消费电子,汽车,工业和电信。

该公司以关注节能技术及其在低功率设计方面的专业知识而闻名。

Rohm在20多个国家 /地区开展业务,是世界上最大的半导体公司之一。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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