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AN7112 Audio Power Amplifier IC

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The AN7112 is a compact 0.5W mono audio power amplifier IC designed for low-power audio amplification in portable electronic devices. Developed using monolithic bipolar technology, it delivers clear and reliable audio output while requiring only a few external components, making circuit design simple and cost-effective. The IC operates from a single supply voltage of 4V to 14V and is capable...
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The AN7112 is a compact 0.5W mono audio power amplifier IC designed for low-power audio amplification in portable electronic devices. Developed using monolithic bipolar technology, it delivers clear and reliable audio output while requiring only a few external components, making circuit design simple and cost-effective.

The IC operates from a single supply voltage of 4V to 14V and is capable of driving an 8Ω speaker with up to 0.5W output power. It features low quiescent current, good ripple rejection, and low distortion, making it suitable for battery-powered audio equipment.

Packaged in a 9-pin SIP (Single Inline Package), the AN7112 is widely used in portable radios, cassette players, intercom systems, toys, voice amplifiers, educational kits, and DIY audio projects.

Key Features

  • Monolithic mono audio power amplifier
  • Delivers up to 0.5W output power
  • Wide operating supply voltage
  • Low quiescent current consumption
  • Low harmonic distortion
  • Good ripple rejection
  • High voltage gain
  • Requires few external components
  • Stable operation with 8Ω speakers
  • Compact SIP-9 package
  • Suitable for battery-powered applications
  • Reliable thermal performance
  • Easy circuit implementation
  • Ideal for portable audio devices and DIY electronics

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

IC Type: Audio Power Amplifier IC
Part Number: AN7112
Amplifier Type: Class-AB Mono Audio Amplifier
Package Type: SIP-9 (Single Inline Package)
Number of Channels: 1 (Mono)
Operating Supply Voltage: 4V to 14V DC
Recommended Supply Voltage: 6V to 9V DC
Typical Output Power: 0.5W (8Ω Load, 6V Supply)
Speaker Impedance: 8Ω (Typical)
Quiescent Current: Approximately 15mA (at VCC = 6V)
Voltage Gain: Approximately 40dB (Typical)
Frequency Response: 40Hz to 18kHz (Typical Application)
Total Harmonic Distortion (THD): Low Distortion Design
Ripple Rejection: Good Power Supply Rejection
Input Type: Single-Ended Audio Input
Operating Temperature: -20°C to +75°C
Storage Temperature: -55°C to +150°C
Mounting Type: Through-Hole
Compatibility: Portable Audio Equipment, DIY Audio Amplifiers, Educational Electronics

Additional Resources

AN7112.PDF

FAQ

1. What is the AN7112 Audio Power Amplifier IC used for?

The AN7112 is used for low-power audio amplification in portable radios, cassette players, intercoms, electronic toys, alarm systems, and DIY audio amplifier projects.

2. How much output power can the AN7112 provide?

The AN7112 can deliver up to 0.5W of audio output power when driving an 8Ω speaker with an appropriate supply voltage and external components.

3. What is the operating voltage range of the AN7112?

The IC operates from a 4V to 14V DC supply, with 6V to 9V commonly used in portable audio applications.

4. Does the AN7112 require many external components?

No. The AN7112 is designed to operate with only a few external capacitors and resistors, making it simple to design compact and cost-effective audio amplifier circuits.

5. What types of speakers can the AN7112 drive?

The AN7112 is optimized for driving 8Ω speakers in low-power audio applications such as portable radios, small speaker systems, and battery-operated devices.