BA3121F Datasheet PDF - ROHM Semiconductor
| Part Number | BA3121F | |
| Description | Ground isolation amplifier | |
| Manufacturers | ROHM Semiconductor | |
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There is a preview and BA3121F download ( pdf file ) link at the bottom of this page. Total 15 Pages | ||
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Datasheet
Ground Isolation Amplifier
BA3121F
General Description
BA3121F is a ground isolation amplifier developed for
car audio applications. This IC efficiently eliminates
problems caused by wiring resistance and removes
noise generated by other electrical devices used in
automobiles. The external capacitor values required for
this IC are so small that it allows for compact and
reliable set design.
Key Specifications
Power Supply Voltage Range:
4V to 18V
Quiescent Current:
9.0mA (Typ)
High Common-mode Rejection Ratio(1kHz):
57dB (Typ)
Low Noise:
Low Distortion:
VNO = 3.5µVrms(Typ)
THD = 0.002% (Typ)
Operation temperature range: -30°C to +85°C
Features
Large Capacitors not Required
High Common-mode Rejection Ratio
Low Noise
Low Distortion
Two Channels
Package
W(Typ) x D(Typ) x H(Max)
Applications
Car audio systems
SOP8
5.00mm x 6.20mm x 1.71mm
Typical Application Circuit
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product has no designed protection against radioactive rays
1/12
TSZ02201-0C2C0EZ00390-1-2
13.Nov.2015 Rev.001
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BA3121F
Typical Performance Curves – continued
VCC = 12V
VOUT = 0.7Vrms
RL= 10kΩ
VCC = 12V
VN=-20dBm
Rg=1.8kΩ
(VM1, VM2)=(100µF, 47µF)
(VM1, VM2)=(47µF, 22µF)
(VM1, VM2)=(22µF, 10µF)
10 20 50 100 200 500 1k 2k 5k 10k 20k
Frequency : f (Hz)
Figure 9. Total Harmonic Distortion vs Frequency
10 20 50 100 200 500 1k 2k 5k 10k 20k
Frequency : f (Hz)
Figure 10. Common Mode Rejection Ratio vs Frequency
VCC = 8V
f=1kHz
Rg=1.8kΩ
Input Noise Voltage : VCM (Vrms)
Figure 11. Common Mode Rejection Ratio vs Input Noise
Voltage
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/12
TSZ02201-0C2C0EZ00390-1-2
13.Nov.2015 Rev.001
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for BA3121F electronic component. |
| Information | Total 15 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ BA3121F.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| BA3121 | The function is Ground isolation amplifier. ROHM Semiconductor | |
| BA3121F | The function is Ground isolation amplifier. ROHM Semiconductor | |
| BA3121N | The function is Ground isolation amplifier. ROHM Semiconductor | |
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