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Texas Instruments NE5534D
- Part No.:
- NE5534D
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
NE5534D.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,053
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Product details
Overview
NE5534D from Texas Instruments is a precision, low-noise operational amplifier optimized for audio preamplification and high-fidelity signal conditioning. It delivers 3.5 nV/√Hz input noise voltage, 10 MHz unity-gain bandwidth, and 13 V/μs slew rate with ±3 V to ±20 V dual-supply operation - enabling high dynamic range amplification in professional audio front-ends.
For engineers reviewing the NE5534D datasheet, NE5534D pinout, NE5534D application, or NE5534D equivalent, this page provides verified specifications, SOIC-8 package layout, offset-nulling implementation guidance, and validated alternatives for audio, medical, and servo error-amplifier designs requiring stable DC performance and wide small-signal bandwidth.
Technical Context
The NE5534D uses a bipolar input stage with internal compensation for closed-loop gains ≥3, supporting external frequency compensation via the COMP and COMP/BAL pins to optimize stability in high-gain configurations. Its input-protection diodes and output short-circuit protection enable robust operation in real-world analog signal chains.
Offset voltage nulling is implemented through the BALANCE and COMP/BAL pins using an external potentiometer, directly correcting transistor-pair mismatches in the differential input stage. The device operates across 0°C to 70°C and supports both dual-supply (±15 V typical) and single-supply configurations with rail-to-rail input common-mode range up to ±13 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Noise Voltage | 3.5 nV/√Hz typ at 1 kHz - enables high-resolution audio signal amplification without degrading SNR in microphone or phono preamp stages. |
| Unity-Gain Bandwidth | 10 MHz typ - supports stable gain-of-1 buffering of full-audio-band signals (20 Hz–20 kHz) with minimal phase shift. |
| Slew Rate | 13 V/μs typ - prevents slew-induced distortion on fast transients like drum hits or square-wave test signals up to ~200 kHz. |
| Common-Mode Rejection | 100 dB typ - rejects power-supply ripple and EMI coupling common to both inputs, critical in unbalanced line-receiver circuits. |
| Output Swing | 32 VPP typ at ±18 V supply - delivers ±14 V linear output into 600 Ω, sufficient for driving professional audio line outputs. |
| Supply Range | ±3 V to ±20 V - accommodates legacy ±15 V systems and modern low-voltage designs while maintaining specified AC performance. |
| DC Voltage Gain | 100 V/mV typ - ensures <10 μV output error for 1 mV input offset, essential for precision DC-coupled servo error amplifiers. |
Pinout & Package
NE5534D is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package measuring 4.90 mm × 3.91 mm, optimized for surface-mount assembly and thermal dissipation in compact PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BALANCE (Pin 1) | Offset null adjustment terminal | Connects to one end of external potentiometer for manual trimming of input offset voltage; used with COMP/BAL to form nulling network. |
| IN− (Pin 2) | Inverting input | Accepts feedback signal in standard op-amp configurations; high-impedance node sensitive to layout-induced noise coupling. |
| IN+ (Pin 3) | Noninverting input | Primary signal input in noninverting amplifier or buffer; requires matched trace routing to minimize CMRR degradation. |
| VCC− (Pin 4) | Negative supply rail | Must be decoupled with 0.1 µF ceramic capacitor placed ≤2 mm from pin to suppress high-frequency supply noise. |
| COMP (Pin 5) | External compensation node | Connected to COMP/BAL via capacitor to adjust dominant pole location; enables bandwidth/stability trade-off in high-gain stages. |
| OUT (Pin 6) | Amplified output | Capable of sourcing/sinking >38 mA; requires short, low-inductance trace to load to preserve slew rate and prevent oscillation. |
| VCC+ (Pin 7) | Positive supply rail | Paired with VCC− for dual-supply operation; same decoupling requirement as Pin 4 for balanced PSRR performance. |
| COMP/BAL (Pin 8) | Shared compensation/offset node | Functions as second nulling terminal (with BALANCE) or second compensation terminal (with COMP); not interchangeable with other pins. |
Key Features
| Feature | Design Value |
|---|---|
| Low harmonic distortion | Specified at <0.9 dB average noise figure (RS = 5 kΩ, 10 Hz–20 kHz), preserving waveform fidelity in analog audio paths. |
| External compensation capability | Enables bandwidth optimization via 22 pF capacitor between COMP and COMP/BAL, extending usable gain-bandwidth product beyond 10 MHz. |
| Offset nulling capability | Supports <0.5 mV input offset voltage trim using 10 kΩ potentiometer between BALANCE and COMP/BAL pins. |
| High output drive | Delivers 32 VPP into 600 Ω load at ±18 V supply - meets professional audio line-driving requirements without external buffers. |
| Input protection diodes | Integrated clamping diodes limit differential input voltage to ±0.6 V, preventing damage from transient overvoltage events. |
Applications
| Audio Preamplifiers | Servo Error Amplifiers |
|---|---|
Use Scenario: Low-noise amplification of microphone or moving-coil cartridge signals prior to ADC conversion in studio interfaces. IC Role / Device Role / Timing Role: Primary gain stage with DC-coupled topology, providing 40–60 dB voltage gain while preserving signal integrity. Use Value: 3.5 nV/√Hz input noise ensures >110 dB SNR in 20 kHz bandwidth, exceeding CD-quality audio requirements. |
Use Scenario: Closed-loop position control in industrial motion systems where motor feedback voltage must be compared against reference. IC Role / Device Role / Timing Role: High-gain error amplifier in PID controller loop, rejecting common-mode noise from motor current sensing. Use Value: 100 dB CMRR minimizes position drift caused by shared ground noise, improving long-term repeatability to ±0.01%. |
| Medical Equipment | Telephone Channel Amplifiers |
Use Scenario: Biopotential signal conditioning in ECG/EEG front-ends where microvolt-level bio-signals require amplification without artifact injection. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier driver with guarded input traces and active shielding. Use Value: Input bias current ≤300 nA prevents electrode polarization errors, enabling stable DC-coupled acquisition over multi-minute intervals. |
Use Scenario: Line-driver and receiver amplification in analog telephony interface cards handling 300–3400 Hz voice band signals. IC Role / Device Role / Timing Role: Transmit-side line driver and receive-side signal recovery amplifier in SLIC-based systems. Use Value: 13 V/μs slew rate supports clean amplification of 2.048 MHz PCM clock harmonics without intermodulation distortion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NE5534DR | Same silicon die and SOIC-8 package; identical electrical specs; RoHS-compliant NIPDAU finish; MSL Level-2-260C-1 YEAR. | Active production status vs NE5534D's obsolete status; preferred for new designs requiring long-term supply continuity. | Select NE5534DR for volume production - it replaces NE5534D with no layout or schematic changes required. |
| OPA1611 | Lower 1.1 nV/√Hz noise, rail-to-rail output, higher 40 MHz GBW, but requires ±2.25 V to ±18 V supply and lacks COMP/BAL pins. | Superior noise and bandwidth for ultra-high-end audio, but cannot replicate NE5534D's external compensation or offset nulling architecture. | Choose OPA1611 only when external compensation is unnecessary and lowest possible noise is mandatory; verify compatibility with existing nulling circuitry. |
Compared with NE5534D, NE5534DR offers identical performance with assured long-term availability, while OPA1611 trades offset-nulling flexibility for lower noise and higher bandwidth - making NE5534DR the drop-in replacement and OPA1611 a functionally distinct upgrade path.
Availability
NE5534D is available at Aetrix Electronics and suitable for audio preamplifiers, servo error amplifiers, and medical equipment requiring stable component supply and proven analog performance across decades of field use.
Supply support for NE5534D includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with over 50 years of innovation in precision op-amps and signal-chain solutions.
The NE5534D belongs to TI's legacy high-performance op-amp family, designed specifically for demanding analog applications where low noise, high slew rate, and DC accuracy are critical - including professional audio, instrumentation, and industrial control.
FAQ
What is the operating temperature range for the NE5534D?
The NE5534D is rated for operation from 0°C to 70°C ambient temperature. This commercial-grade specification aligns with its intended use in audio equipment, test instruments, and industrial control systems where environmental conditions are controlled. The NE5534D datasheet specifies all key parameters - including input offset voltage, slew rate, and noise - under these conditions, ensuring predictable performance within this range. For extended temperature operation, consider the SA5534 variant rated from –40°C to 85°C.
Does the NE5534D support single-supply operation?
Yes, the NE5534D supports single-supply operation, though it is optimized for dual-supply use. When operated from a single +15 V rail with ground reference, the input common-mode range extends to within 1.5 V of the negative rail (ground), and the output can swing to within ~2 V of each rail. Designers must bias the input at mid-supply (e.g., +7.5 V) using resistive dividers and ensure proper decoupling. The NE5534D's internal architecture does not include rail-to-rail input or output stages, so headroom margins must be maintained per the datasheet's recommended operating conditions.
How do I implement offset nulling on the NE5534D?
To null input offset voltage on the NE5534D, connect a 10 kΩ potentiometer between Pin 1 (BALANCE) and Pin 8 (COMP/BAL), with the wiper tied to VCC− (Pin 4). Adjust the potentiometer until output voltage equals zero with inputs shorted and grounded. This configuration leverages the internal offset-nulling circuitry tied to the input differential pair. Avoid using values outside 5–20 kΩ, as the datasheet specifies optimal nulling range and excessive resistance degrades adjustment resolution. Always perform nulling after power stabilization and at room temperature for best results.
What is the purpose of the COMP and COMP/BAL pins on the NE5534D?
The COMP (Pin 5) and COMP/BAL (Pin 8) pins on the NE5534D provide dual functionality: external frequency compensation and offset voltage nulling. For compensation, a capacitor (typically 22 pF) is placed between COMP and COMP/BAL to adjust the dominant pole and stabilize high-gain configurations (>3×). For nulling, the same pins accept a potentiometer to balance input transistor mismatches. These pins are electrically distinct - COMP is an output node, COMP/BAL is an input node - and must not be shorted or miswired. Their shared use reflects TI's design for flexibility in precision analog circuits.
Is the NE5534D pin-compatible with the NE5534A or SA5534 variants?
Yes, the NE5534D is pin-compatible with NE5534A, SA5534, and SA5534A in the same SOIC-8 package - all share identical pinout, footprint, and basic functionality. However, key differences exist: NE5534A specifies tighter input noise voltage (≤5 nV/√Hz max), SA5534/SA5534A extend temperature range to –40°C to 85°C, and SA5534A adds a maximum noise spec. Electrical parameters such as input offset voltage and slew rate remain consistent across variants. Therefore, direct substitution is electrically valid, but designers must verify temperature, noise, and reliability requirements match the target application before interchange.
NE5534D Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 13V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 500 nA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 4mA
- Current - Output / Channel:
- 38 mA
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
NE5534D FAQ
1.How can I place an order for NE5534D through Aetrix?
Please submit a Request for Quotation (RFQ) for NE5534D on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for NE5534D reliable?
The price and inventory of NE5534D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NE5534D is usually 5 days.
3.What payment methods are accepted for NE5534D?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NE5534D transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NE5534D?
NE5534D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NE5534D order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for NE5534D?
For technical support, including NE5534D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NE5534D requirements.
6.How does Aetrix verify that NE5534D is sourced from the original manufacturer or authorized distributors?
All NE5534D products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that NE5534D meets industry standards.
7.What is the process for return or replacement of NE5534D?
All NE5534D units undergo pre-shipment inspection (PSI). If there is an issue with NE5534D, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The NE5534D part is unused and in its original packaging.
Return procedure for NE5534D:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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