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TA2123AF from TOSHIBA

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TA2123AF

Manufacturer: TOSHIBA, TOS

1.5V Stereo Headphone Amplifier

Partnumber Manufacturer Quantity Availability
TA2123AF TOSHIBA, TOS 1883 In Stock

Description and Introduction

1.5V Stereo Headphone Amplifier The TA2123AF is a bipolar linear integrated circuit (IC) designed for audio applications, particularly as a preamplifier. Below are its key specifications, descriptions, and features based on available data:  

### **Manufacturer:**  
- **Toshiba Semiconductor** (now part of Kioxia Holdings Corporation).  

### **Specifications:**  
- **Type:** Bipolar Linear IC (Preamplifier).  
- **Package:** SIP (Single In-line Package) or similar through-hole package.  
- **Operating Voltage:** Typically **4V to 12V** (exact range may vary).  
- **Gain:** Adjustable via external components (exact gain depends on circuit configuration).  
- **Frequency Response:** Optimized for audio frequencies (e.g., 20Hz–20kHz).  
- **Input/Output Impedance:** Designed for low-noise audio signal processing.  

### **Descriptions:**  
- The TA2123AF is a low-noise preamplifier IC used in audio equipment such as tape decks, amplifiers, and other consumer audio devices.  
- It includes internal circuitry for signal amplification with minimal distortion.  
- Often paired with external resistors, capacitors, and potentiometers for gain control and filtering.  

### **Features:**  
- **Low Noise:** Designed for high-fidelity audio signal amplification.  
- **Wide Voltage Range:** Supports flexible power supply configurations.  
- **Compact Design:** Suitable for space-constrained PCB layouts.  
- **Thermal Stability:** Includes built-in protection against overheating.  

For exact electrical characteristics, refer to the original **Toshiba TA2123AF datasheet** (if available). Note that this IC may be obsolete, and replacements might be suggested by modern equivalents.

Application Scenarios & Design Considerations

1.5V Stereo Headphone Amplifier

Alternative Part Number

  • TDA7265 --: Dual audio power amplifier in a similar power class, commonly used as a substitute for Toshiba TA-series audio ICs in consumer audio designs.
  • LM1875 --: Widely available audio power amplifier IC with comparable output power and supply range, suitable for drop-in redesign of TA2123AF audio stages.
  • TDA2030A --: Classic low-cost audio power amplifier with similar voltage and power ratings, frequently used as an alternative when the original Toshiba part is unavailable.
  • LA7260 --: Similar audio power amplifier IC in the same class, commonly used as a substitute for Toshiba TA-series audio amplifiers.
  • STK4301 --: Thick-film hybrid audio power amplifier with comparable output power and supply voltage, suitable replacement in audio applications.
  • TDA2003 --: Widely available low-power audio amplifier IC with similar function and ratings, usable as a functional alternative with minor circuit adjustment.
  • TDA2123 --: Similar audio power amplifier function with comparable output power and supply voltage range, widely available as a direct functional substitute.

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