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BA3121

BA3121

BA3121

ROHM Semiconductor

9mA mA 20 kHz kHz Audio Amplifiers 8 pins 8-DIP (0.300, 7.62mm)

SOT-23

BA3121 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 10 Weeks
Mount Through Hole
Mounting Type Through Hole
Package / Case 8-DIP (0.300, 7.62mm)
Number of Pins 8
Operating Temperature-30°C~85°C TA
PackagingTube
Published 1999
Pbfree Code yes
Part StatusLast Time Buy
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Type Class AB
Terminal Finish TIN/TIN COPPER
Max Power Dissipation450mW
Voltage - Supply 4V~18V
Terminal Position DUAL
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Time@Peak Reflow Temperature-Max (s) 10
Base Part Number BA3121
Pin Count8
Qualification StatusNot Qualified
Output Type 2-Channel (Stereo)
Operating Supply Voltage12V
Supply Voltage-Min (Vsup) 4V
Number of Channels 2
Nominal Supply Current9mA
Common Mode Rejection Ratio 41 dB
Bandwidth 20 kHz
Length 9.3mm
Height Seated (Max) 3.7mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:1984 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.395168$0.395168
10$0.372800$3.728
100$0.351698$35.1698
500$0.331791$165.8955
1000$0.313010$313.01

BA3121 Product Details

BA3121 Overview


Amp parts is embedded in the 8-DIP (0.300, 7.62mm) package.Amp parts is packaged in the way of Tube .There are 8 terminations, which are the practice of ending a transmission line with a device that matches the characteristic impedance of the line.The output it is configured with uses 2-Channel (Stereo) .The type of this electrical device is Class AB .There are 8 pins, which are pronged contacts as part of a signal interface in a computer or other communications device. This electronic part is mounted in the way of Through Hole .The supply voltage of this electrical device is 4V~18V .The number of channels is growing strong/weak: 2 .The operating temperature should not exceed -30°C~85°C TA .Amp parts is equipped wAmp partsh 8 pin count.Amp parts belongs to BA3121 family.This electronic part is mounted in the way of Through Hole .The supply voltage (Vsup) should be kept above 4V for normal operation.

BA3121 Features


8-DIP (0.300, 7.62mm) package
8 pin count
BA3121 family


BA3121 Applications


There are a lot of ROHM Semiconductor
BA3121 audio amplifiers applications.


  • Proportional operation circuits
  • Inverse/same-phase proportional circuit
  • Addition and subtraction operation circuits
  • single/dual op amp sum and difference circuits
  • Integrator and differentiator circuits
  • Logarithmic and exponential operation circuits
  • Multiplication and division circuits
  • Precision measurement
  • Power control
  • Information processing

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