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NE5533/NE5534 Dual and Single Low Noise Operational Amplifier

Overview

The NE5533 and NE5534 are high-performance, low-noise operational amplifiers designed for professional audio and precision instrumentation applications. These devices offer superior noise performance, excellent output drive capability, and wide bandwidth compared to standard op-amps like the TL083 series. The NE5533 is a dual op-amp configuration, while the NE5534 is a single op-amp version with additional compensation pin.

Key Features

• Excellent noise performance: 4nV/√Hz input noise voltage
• High output drive capability: 600Ω, 10VRMS at ±18V supply
• Wide bandwidth: 10MHz small-signal bandwidth
• High slew rate: 13V/µs
• Wide supply voltage range: ±3V to ±20V
• High gain: 100,000 DC voltage gain
• Power bandwidth: 200kHz
• Available in dual (NE5533) and single (NE5534) configurations

Applications

The NE5533/5534 series is particularly suited for applications requiring high performance and low noise:

• Professional Audio Equipment: Microphone preamplifiers, mixing consoles, equalizers
• Instrumentation: Precision measurement circuits, data acquisition systems
• Telecommunications: Channel amplifiers, line drivers
• Medical Equipment: ECG amplifiers, patient monitoring systems
• Control Systems: Servo amplifiers, transducer interfaces

Electrical Characteristics

Absolute Maximum Ratings

• Supply Voltage (VS): ±22V
• Input Voltage: ±Supply Voltage
• Differential Input Voltage: ±0.5V
• Operating Temperature Range:
  • NE Version: 0°C to +70°C
  • SA Version: -40°C to +85°C
  • SE Version: -55°C to +125°C
• Storage Temperature Range: -65°C to +150°C
• Junction Temperature: 150°C
• Power Dissipation: 1350mW (D package at 25°C)

Typical Performance Characteristics

• Input Noise Voltage: 4nV/√Hz (typical at 1kHz)
• Input Noise Current: 0.6pA/√Hz (typical at 1kHz)
• DC Voltage Gain: 100,000 (minimum)
• AC Voltage Gain: 6000 at 10kHz
• Slew Rate: 13V/µs (typical)
• Gain Bandwidth Product: 10MHz (typical)
• Power Bandwidth: 200kHz
• Input Offset Voltage: 0.5mV (typical)
• Input Bias Current: 200nA (typical)

Package Information

NE5533 (Dual Op-Amp) Packages

• 14-Pin Plastic DIP (NE5533N)
• 14-Pin Plastic DIP (NE5533AN)

NE5534 (Single Op-Amp) Packages

• 8-Pin Plastic DIP (NE5534N)
• 8-Pin Plastic SO (NE5534D)
• 8-Pin Ceramic DIP (NE5534FE)
• 8-Pin Plastic DIP (NE5534AN)
• 8-Pin Plastic SO (NE5534AD)
• 8-Pin Ceramic DIP (NE5534AF)

Extended Temperature Versions

• SA5534: Industrial temperature range (-40°C to +85°C)
• SE5534: Military temperature range (-55°C to +125°C)

Pin Configurations

NE5534 (8-Pin Package)

• Pin 1: BALANCE/COMPENSATION
• Pin 2: INVERTING INPUT
• Pin 3: NON-INVERTING INPUT
• Pin 4: V-
• Pin 5: BALANCE
• Pin 6: OUTPUT
• Pin 7: V+
• Pin 8: COMPENSATION

NE5533 (14-Pin Package)

• Pin 1: INV INPUT A
• Pin 2: NON-INV INPUT A
• Pin 3: BALANCE A
• Pin 4: V-
• Pin 5: BALANCE B
• Pin 6: NON-INV B
• Pin 7: INV B
• Pin 8: BAL COMP B
• Pin 9: COMP B
• Pin 10: OUTPUT B
• Pin 11: V+
• Pin 12: OUTPUT A
• Pin 13: COMP A
• Pin 14: BAL COMP A

Design Considerations

When designing with the NE5533/5534 series, consider the following:

• For optimum noise performance, keep source impedances balanced and low
• Use proper power supply decoupling (0.1µF ceramic capacitors close to the device)
• The compensation pin (pin 8 on NE5534) can be used to optimize bandwidth and stability
• The device can drive capacitive loads up to 100pF without oscillation
• For high gain applications, consider the A-version for improved specifications

Comparison with Other Op-Amps

The NE5533/5534 offers significant advantages over general-purpose op-amps:

• Lower noise than TL07x series (4nV vs 18nV)
• Higher output current than many precision op-amps
• Better bandwidth than most audio-specific op-amps
• More stable with capacitive loads than many high-speed op-amps

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