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Supply Chain
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.33.00.01
Introduction Date1995-01-01
Lifecycle StatusObsolete (Last Updated: 4 months ago)
LTB Date2019-03-29
LTD Date2019-09-29
Related Parts
Texas InstrumentsLM380N-8/NOPB
2.5-W, mono, 10- to 22-V, analog input Class-AB audio amplifier 8-PDIP 0 to 70
Descriptions
Descriptions of ROHM BA3121 provided by its distributors.
Audio Amplifier, 2 Channel(s), 1 Func, PDIP8
EAR99 BA3121 Tube 1999 audio amplifier 4V 9.3mm 9mA 450mW
Ground Isolation Amplifier 8-Pin PDIP
IC AMPLIFIER2-CHNL STEREO CLASS AB 8-PDIP
Manufacturer Aliases
ROHM has several brands around the world that distributors may use as alternate names. ROHM may also be known as the following names:
- Rohm Semiconductor
- ROHM CO LTD
- RHOM
- ROH
- RHM
- ROHM ELECTRONICS
- ROM
- ROMH
- ROHS
- ROHN
- ROHM SEMI
- ROHM Semicon
- ROHM CORPORATION
- ROHM CORP
- MIYA
- Rohm Company Limited
- ROHM CO
- ROHM ELEC
- ROHM Semiconductors
- ROHM ELECTRO
- ROHM SEMICONDUCTOR(VA)
- ROHM COMPANY LTD
- ROHM INC
- ROHM/MISC
- ROHM/NONE
Technical Specifications
Physical
Case/PackageDIP
MountThrough Hole
Number of Pins8
Number of Terminals8
Technical
Bandwidth20 kHz
Common Mode Rejection Ratio41 dB
Max Operating Temperature85 °C
Max Power Dissipation450 mW
Max Supply Current14 mA
Max Supply Voltage18 V
Min Operating Temperature-30 °C
Min Supply Voltage4 V
Nominal Supply Current9 mA
Number of Channels2
Number of Circuits1
Operating Supply Voltage12 V
PackagingBulk
Dimensions
Height - Seated (Max)3.7 mm
Length9.3 mm
Terminal Pitch2.54 mm
Width7.62 mm