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Texas Instruments NE5534AP
- Part No.:
- NE5534AP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
NE5534AP.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,687
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Product details
Overview
NE5534AP from Texas Instruments is a precision, low-noise operational amplifier in an 8-pin PDIP package, delivering 3.5 nV/√Hz input noise voltage, 10 MHz unity-gain bandwidth, and 13 V/μs slew rate. It operates from ±3 V to ±20 V supplies and supports audio preamplifier, servo error amplifier, and medical instrumentation signal conditioning with offset nulling and external compensation capability.
For engineers reviewing the NE5534AP datasheet, NE5534AP pinout, NE5534AP application, or NE5534AP equivalent, this page provides verified specifications, functional pin definitions, real-world use cases, and validated alternative options for analog signal chain design in high-fidelity and industrial control systems.
Technical Context
The NE5534AP features internally compensated gain ≥3 architecture with dual external adjustment pins (BALANCE and COMP/BAL) enabling precise offset nulling and frequency response tailoring via capacitor networks. Its bipolar input stage delivers low input bias current (20–300 nA typ), high DC open-loop gain (100 V/mV typ), and robust output drive into 600 Ω loads.
It supports dual-supply operation across 0°C to 70°C ambient range, exhibits 100 dB CMRR and 100 dB PSRR, and maintains stable performance with external compensation capacitors (e.g., 22 pF between COMP and COMP/BAL) to optimize bandwidth vs. phase margin trade-offs in closed-loop configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Noise Voltage | 3.5 nV/√Hz typ at 1 kHz - enables high-resolution audio and sensor signal amplification without degrading SNR. |
| Unity-Gain Bandwidth | 10 MHz typ - supports wideband applications including active filters and video signal conditioning up to ~1 MHz closed-loop. |
| Slew Rate | 13 V/μs typ - ensures faithful reproduction of fast transients in audio and pulse-amplification circuits without slew-induced distortion. |
| DC Voltage Gain | 100 V/mV typ (140 dB) - provides high loop gain for precision error correction in servo and instrumentation feedback paths. |
| Output Swing | ±14 V peak (32 V PP) into 600 Ω at ±18 V supply - delivers full-rail dynamic range for line-level audio and industrial analog outputs. |
| Supply Range | ±3 V to ±20 V - accommodates legacy ±15 V systems and modern low-voltage designs while maintaining specified AC performance. |
| CMRR | 100 dB typ - rejects common-mode interference in noisy environments such as motor drives and medical ECG front-ends. |
Pinout & Package
NE5534AP is housed in an 8-pin plastic dual in-line package (PDIP) with 0.3-inch body width and through-hole mounting. Pin 1 is BALANCE; pin 2 is IN−; pin 3 is IN+; pin 4 is VCC−; pin 5 is COMP; pin 6 is OUT; pin 7 is VCC+; pin 8 is COMP/BAL.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BALANCE (Pin 1) | Offset null adjustment terminal | Connects to one end of external potentiometer for trimming input offset voltage to <1 mV in precision DC-coupled stages. |
| IN− (Pin 2) | Inverting input | Primary feedback node in inverting amplifier configurations; accepts differential signals referenced to ground or virtual ground. |
| IN+ (Pin 3) | Noninverting input | Reference input for unity-gain buffers and noninverting amplifiers; high impedance (>30 kΩ) minimizes source loading. |
| VCC− (Pin 4) | Negative supply rail | Accepts −3 V to −20 V; must be decoupled with 0.1 μF ceramic capacitor near pin to suppress power rail noise coupling. |
| COMP (Pin 5) | Compensation output | Provides internal compensation node for external capacitor connection to COMP/BAL to adjust dominant pole and stabilize higher-gain configurations. |
| OUT (Pin 6) | Amplified output | Delivers up to ±14 V swing into 600 Ω; capable of sourcing/sinking >38 mA short-circuit current with thermal foldback protection. |
| VCC+ (Pin 7) | Positive supply rail | Accepts +3 V to +20 V; requires local 0.1 μF bypass to ground to maintain PSRR and prevent oscillation in high-Z feedback networks. |
| COMP/BAL (Pin 8) | Shared compensation/offset node | Connects to other end of offset null pot or to COMP pin via capacitor for frequency compensation; dual-function terminal requiring careful layout separation. |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise bipolar input stage | 3.5 nV/√Hz input voltage noise enables high-SNR amplification of microvolt-level sensor and microphone signals. |
| External offset nulling | Pins 1 (BALANCE) and 8 (COMP/BAL) support <1 mV residual offset after trimming - critical for DC-coupled integrators and precision references. |
| Configurable frequency compensation | Capacitor between Pins 5 (COMP) and 8 (COMP/BAL) allows bandwidth and phase margin tuning for gains ≥3 without stability risk. |
| High output drive into low-Z loads | 32 V PP swing into 600 Ω and 38 mA short-circuit current support line drivers, active crossovers, and piezo actuator interfaces. |
| Robust protection circuitry | Includes input clamp diodes, output short-circuit protection, and thermal shutdown - enhances reliability in unregulated or fault-prone systems. |
Applications
| Audio Preamplifier | Servo Error Amplifier |
|---|---|
Use Scenario: Low-noise amplification of phono cartridge or condenser microphone signals prior to ADC or tone control. IC Role / Device Role / Timing Role: Primary gain stage with DC-coupled input and adjustable offset nulling to eliminate audible hum or DC drift. Use Value: 3.5 nV/√Hz noise floor preserves dynamic range; 13 V/μs slew rate prevents transient intermodulation distortion in music playback. |
Use Scenario: Closed-loop position/velocity control in CNC machines or robotic joints using feedback from encoders or resolvers. IC Role / Device Role / Timing Role: High-gain error amplifier comparing setpoint and feedback signals to drive motor driver inputs. Use Value: 100 V/mV DC gain ensures sub-millivolt tracking error; 100 dB CMRR rejects common-mode noise from PWM motor drivers. |
| Medical Instrumentation | Telephone Channel Amplifier |
Use Scenario: Front-end amplification of biopotential signals (ECG, EEG) with high common-mode rejection and minimal added noise. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier input buffer with balanced offset adjustment for patient safety compliance. Use Value: 100 dB CMRR suppresses 50/60 Hz mains interference; ±14 V output swing accommodates clinical-grade signal scaling ranges. |
Use Scenario: Line interface amplifier in analog telephone exchange equipment handling 2-wire to 4-wire conversion and echo cancellation. IC Role / Device Role / Timing Role: High-fidelity voice-band amplifier (300 Hz–3.4 kHz) with low THD and wide supply tolerance for legacy telecom infrastructure. Use Value: 0.9 dB noise figure at 5 kΩ source matches telephone hybrid coil impedances; ±3 V to ±20 V operation supports varied central office supply rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NE5534DR | SOIC-8 surface-mount package; identical electrical specs but different thermal resistance (97°C/W vs. PDIP's 85°C/W) and reflow compatibility. | Preferred for automated PCB assembly and space-constrained layouts; not suitable for through-hole prototyping or breadboarding. | Select NE5534DR when board area and manufacturing scalability outweigh manual test/debug flexibility. |
| OPA2134PA | FET-input architecture (0.2 pA IB), lower noise current (0.2 pA/√Hz), but higher voltage noise (8 nV/√Hz); rail-to-rail output not supported. | Better for ultra-high-impedance sources (e.g., piezoelectric sensors); less optimal for low-source-impedance audio where NE5534AP's 3.5 nV/√Hz dominates. | Choose OPA2134PA only when input bias current <1 pA is mandatory and voltage noise penalty is acceptable. |
Compared with NE5534DR and OPA2134PA, the NE5534AP offers superior voltage noise performance and through-hole accessibility for lab validation, while retaining full functional equivalence in gain, bandwidth, and offset nulling capability for legacy analog designs.
Availability
NE5534AP is available at Aetrix Electronics and suitable for audio preamplifier design, servo error amplifier implementation, and medical instrumentation signal conditioning requiring stable component supply across long-lifecycle industrial programs.
Supply support for NE5534AP 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 amplifiers and signal chain solutions.
The NE5534AP belongs to TI's legacy high-performance op-amp product line, engineered specifically for low-noise, wideband analog signal conditioning in professional audio, industrial control, and medical diagnostics equipment.
FAQ
What is the maximum supply voltage rating for the NE5534AP?
The NE5534AP has an absolute maximum supply voltage rating of ±22 V, but its recommended operating range is ±3 V to ±20 V. Operation beyond ±20 V risks permanent damage and violates the device's specified electrical characteristics per the TI SLOS070D datasheet. For reliable long-term performance, maintain supply rails within ±15 V unless transient testing confirms margin under controlled conditions.
Does the NE5534AP require external compensation for unity-gain stability?
No - the NE5534AP is internally compensated for stable operation at gains ≥3. At unity gain, external compensation (e.g., 22 pF capacitor between COMP and COMP/BAL pins) is required to ensure phase margin and prevent oscillation. This configuration reduces bandwidth but guarantees stability in voltage-follower and gain-of-one applications.
How is offset voltage adjusted on the NE5534AP?
Offset voltage on the NE5534AP is adjusted using a 10-kΩ potentiometer connected between BALANCE (Pin 1) and COMP/BAL (Pin 8), with the wiper grounded. Applying ±15 V supplies, this network trims input offset to <1 mV. The procedure is detailed in Figure 10 of the TI SLOS070D datasheet and requires no additional components beyond the potentiometer.
Can the NE5534AP drive a 600 Ω load effectively?
Yes - the NE5534AP delivers ±14 V (32 V PP) into a 600 Ω load at ±18 V supplies, with total harmonic distortion maintained below specification limits. Its 38 mA short-circuit output current and low 0.3 Ω open-loop output impedance enable robust line-driving capability, making it suitable for professional audio interconnects and telecom channel amplifiers.
What is the operating temperature range of the NE5534AP?
The NE5534AP is rated for operation from 0°C to 70°C ambient temperature, consistent with its commercial-grade NE-prefix designation. This range covers standard laboratory, office, and indoor industrial environments. For extended temperature operation (–40°C to 85°C), the SA5534AP variant must be selected instead.
NE5534AP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- 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:
- Through Hole
- Supplier Device Package:
- 8-PDIP
NE5534AP FAQ
1.How can I place an order for NE5534AP through Aetrix?
Please submit a Request for Quotation (RFQ) for NE5534AP 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 NE5534AP reliable?
The price and inventory of NE5534AP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NE5534AP is usually 5 days.
3.What payment methods are accepted for NE5534AP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NE5534AP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NE5534AP?
NE5534AP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NE5534AP 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 NE5534AP?
For technical support, including NE5534AP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NE5534AP requirements.
6.How does Aetrix verify that NE5534AP is sourced from the original manufacturer or authorized distributors?
All NE5534AP 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 NE5534AP meets industry standards.
7.What is the process for return or replacement of NE5534AP?
All NE5534AP units undergo pre-shipment inspection (PSI). If there is an issue with NE5534AP, 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 NE5534AP part is unused and in its original packaging.
Return procedure for NE5534AP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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