BA7180FS-E1, BA7182AS, BA7184S Selling Leads, Datasheet
MFG:ROHM Package Cooled:SSOP20 D/C:9824
BA7180FS-E1, BA7182AS, BA7184S Datasheet download
Part Number: BA7180FS-E1
MFG: ROHM
Package Cooled: SSOP20
D/C: 9824
BA7180FS-E1, BA7182AS, BA7184S
- Table of contents:
Info of BA7180FS-E1
Info of BA7182AS
Info of BA7184S
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About BA7004
PDF/DataSheet Download
Datasheet: BA7004
File Size: 93234 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
About BA7182AS
PDF/DataSheet Download
Datasheet: BA7182AS
File Size: 102475 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
About BA7184S
PDF/DataSheet Download
Datasheet: BA7184S
File Size: 123475 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
BA7182AS General Description
The BA7182AS is a PRE / REC amplifier developed for use in video cassette recorders. It has been designed for use in two-head decks and features built-in FB damping, two preamplifiers, a chroma output amplifier, an FM output amplifier (with AGC), an envelope detector, a constant-current BTL-drive REC amplifier (with AGC) and built-in channel and REC / PB switches on a single monolithic IC.
BA7182AS Maximum Ratings
| Parameter | Symbol | Limits | Unit |
| Applied voltage | Vcc |
7.0 | V |
| Power dissipation | Pd | 1100* | mW |
| Operating temperature | Topr | -20~+75 | |
| Storage temperature | Tstg | -55~+125 |
BA7182AS Features
The playback amplifier has a total gain of 59dB (Typ.), and has a low-noise preamplifier. Designed for VHS-band operation with low external parts count. The IC has 2 circuits for 2-head VCR applications.
Two playback output systems (throgh output and AGC output). The AGC output level is 270mVP-P (Typ.) ; suitable for FM brightness signal output.
Auto-tracking interface for automated tracking adjustment. An integrate and hold detector is used to reduce the load on the microcontroller.
The recording amplifier uses constant-current BLT drive that handles load variations (i.e. headimpedance) well, and gives stable recording characteristics. A single circuit is provided for 2-head VCR use.
Built-in recording level AGC means adjustment of FM recording current is not necessary.
Head switches for 2-channel PRE / REC system provided.
Operates off a single 5V power supply, with low power dissipation.
BA7182AS Typical Application
VCRs
BA7182AS Connection Diagram
BA7184S Maximum Ratings
|
Parameter |
Symbol |
Limits |
Unit |
| Applied voltage |
VCC |
7.0 |
V |
| Power dissipation |
Pd |
1050*1 |
mW |
| Operating temperature range |
Topr |
20 ~ + 65 |
°C |
| Storage temperature range |
Tstg |
55 ~ + 125 |
°C |
BA7184S Features
1) The playback amplifier has a total gain of 56dB (Typ.), and has a low-noise preamplifier. Designedfor VHS band operation with low external parts count. The IC has 4 circuits for 4-head VCR applications.
2) Two playback output systems (through output and AGC output). The AGC output level is 315mVP-P (Typ.); suitable for FM brightness signal output.
3) Auto-tracking interface for automated tracking adjustment. Linear detector characteristic with sensitivity that can be set using external components.
4) The recording amplifier uses constant-current BLT drive that handles load variations (i.e. headimpedance) well, and gives stable recording characteristics. 2 circuits are provided for 4-head VCR use.
5) Built-in recording level AGC means adjustment of FM recording current is not necessary.
6) Head switches for 4-channel PRE / REC system provided.
7) Operates off a single 5V power supply, with low power dissipation.
BA7184S Typical Application
VCRs
BA7184S Connection Diagram
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