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Texas Instruments RC4559P
- Part No.:
- RC4559P
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
RC4559P.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:353
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Product details
Overview
RC4559P from Texas Instruments is a dual high-performance operational amplifier designed for low-noise signal conditioning in audio preamplifiers and precision analog circuits. It delivers unity-gain bandwidth ≥3 MHz, slew rate ≥1.5 V/µs, input offset voltage ≤6 mV at 25°C, common-mode rejection ratio ≥80 dB, and operates across 0°C to 70°C with ±15 V supplies.
For engineers reviewing the RC4559P datasheet, RC4559P pinout, RC4559P application, or RC4559P equivalent, key selection criteria include guaranteed matched gain/offset between amplifiers, no external frequency compensation required, unlimited output short-circuit duration, low 2 µV/√Hz input noise (20 Hz–20 kHz), and compatibility with Raytheon RC4559 designs.
Technical Context
The RC4559P integrates two independent high-slew-rate op-amps in a single PDIP-8 package, each featuring internally compensated DC-coupled architecture with rail-to-rail input voltage range up to ±13 V under ±15 V supply. Its matched amplifier pair enables precise differential signal processing without external trimming.
It supports stable operation with capacitive loads up to 100 pF and delivers ±10 V peak output swing into 2 kΩ, maintaining >90 dB crosstalk attenuation at 10 kHz - critical for stereo audio channel separation and instrumentation amplifier front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-Gain Bandwidth | ≥3 MHz - ensures stable closed-loop operation at audio and control loop frequencies without external compensation. |
| Slew Rate | ≥1.5 V/µs - supports clean 20 kHz full-scale audio output with <1% distortion into 2 kΩ. |
| Input Offset Voltage | ≤6 mV at 25°C - enables DC-coupled sensor interfaces with sub-10 mV error budget. |
| Common-Mode Rejection | ≥80 dB - rejects power supply ripple and EMI in single-supply-derived bipolar systems. |
| Input Noise Voltage | ≤2 µV/√Hz (20 Hz–20 kHz) - preserves dynamic range in microphone preamplifier stages. |
| Supply Current | 4–6.6 mA total - balances performance and power efficiency in battery-adjacent analog signal chains. |
| Operating Temperature | 0°C to 70°C - qualified for commercial-grade embedded audio and industrial control environments. |
Pinout & Package
RC4559P 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 marked by a notch or dot; leads are tin-lead (NIPDAU) finish, RoHS-compliant, and rated for 260°C soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (Amp 1) | Accepts feedback network connection for standard inverting configuration. |
| 2 | Non-Inverting Input (Amp 1) | Provides high-impedance reference point for sensor or signal source coupling. |
| 3 | Output (Amp 1) | Delivers buffered, low-impedance output capable of driving 2 kΩ loads to ±10 V. |
| 4 | VCC− | Negative supply rail connection; must be referenced to system ground midpoint in split-supply designs. |
| 5 | Inverting Input (Amp 2) | Independent input for second channel; matched offset enables differential pair use. |
| 6 | Non-Inverting Input (Amp 2) | Enables dual-channel synchronous signal conditioning without inter-channel drift. |
| 7 | Output (Amp 2) | Electrically isolated output path; >90 dB crosstalk prevents channel bleed in stereo applications. |
| 8 | VCC+ | Positive supply rail; supports up to +18 V absolute maximum for transient headroom. |
Key Features
| Feature | Design Value |
|---|---|
| Matched Gain & Offset | ±0.2 mV max input offset voltage mismatch between amplifiers - eliminates need for per-channel calibration in differential receivers. |
| No External Compensation | Internally compensated for unity-gain stability - reduces BOM count and PCB area versus discrete-compensated op-amps. |
| Wide Common-Mode Range | ±13 V input voltage range with ±15 V supplies - accommodates signals near supply rails without clipping. |
| No Latch-Up | Immune to CMOS-like latch-up during overvoltage transients - improves reliability in unregulated or noisy supply environments. |
| Unlimited Short-Circuit Duration | Output can be shorted to ground indefinitely per amplifier - simplifies protection circuit design in test equipment interfaces. |
Applications
| Audio Preamplifier | Instrumentation Signal Conditioning |
|---|---|
Use Scenario: Low-noise amplification of electret microphone or phono cartridge outputs prior to ADC sampling. IC Role / Device Role / Timing Role: Dual-channel voltage amplifier providing gain, DC blocking, and common-mode rejection in analog front-end stage. Use Value: 2 µV/√Hz noise floor preserves SNR in 16-bit audio systems; matched amplifiers enable balanced-to-unbalanced conversion with <0.01% gain error. | Use Scenario: Amplifying millivolt-level outputs from strain gauges or thermocouples in data acquisition modules. IC Role / Device Role / Timing Role: Precision dual op-amp configured as differential input stage and reference buffer in 3-op-amp INA topology. Use Value: ≤6 mV input offset and ≥80 dB CMRR minimize zero-drift errors; wide input range supports ±10 mV sensor spans without level-shifting. |
| Active Filter Stage | DC Motor Current Sensing |
Use Scenario: Second-order low-pass filtering of PWM-derived analog control signals in servo drives. IC Role / Device Role / Timing Role: Dual op-amp implementing Sallen-Key topology with unity-gain stable response. Use Value: 3 MHz bandwidth allows filter cutoffs up to 100 kHz; internal compensation ensures monotonic step response without tuning. | Use Scenario: Bidirectional current sensing across shunt resistor in H-bridge motor driver feedback loop. IC Role / Device Role / Timing Role: High-common-mode-voltage difference amplifier using one RC4559P amplifier per polarity detection path. Use Value: ±13 V input range accommodates 12 V bus common-mode; matched offset ensures <100 µV error in bidirectional zero-crossing detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL072CP | Higher 18 V/µs slew rate but higher 18 pA input bias current; 10 µV/√Hz noise vs. RC4559P's 2 µV/√Hz. | Better for high-speed AC-coupled circuits; less suitable for low-level DC-coupled sensor amps due to higher noise and bias current. | Select TL072CP when speed outweighs noise sensitivity; RC4559P preferred for audio preamp and precision DC gain stages. |
| NE5532P | Higher 9 V/µs slew rate, lower 0.9 µV/√Hz noise, but requires external compensation above 10 kHz and has narrower ±12 V input range. | Superior for professional audio line drivers; incompatible with RC4559P's uncompensated unity-gain use case without redesign. | Choose NE5532P for ultra-low-noise line-level distribution; retain RC4559P where simplicity, stability, and matched dual-channel performance are prioritized. |
Compared with TL072CP and NE5532P, RC4559P uniquely combines guaranteed amplifier matching, no-compensation operation, and optimized 2 µV/√Hz noise within a cost-effective PDIP package - making it ideal for production audio and industrial signal conditioning where layout simplicity and channel consistency are critical.
Availability
RC4559P is available at Aetrix Electronics and suitable for audio preamplifiers, instrumentation signal conditioners, and active filter stages requiring stable component supply across commercial temperature ranges and long-lifecycle production programs.
Supply support for RC4559P 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, embedded processing, and digital signal technologies, with decades of heritage in high-reliability op-amp design.
The RC4559P belongs to TI's legacy high-performance dual op-amp product line, engineered specifically for low-noise, matched-channel analog signal processing in audio, test equipment, and industrial measurement systems.
FAQ
What is the maximum supply voltage rating for RC4559P?
The RC4559P has absolute maximum supply voltage ratings of +18 V on VCC+ and −18 V on VCC−. Operation at ±15 V is specified in all electrical characteristics tables, and the device is characterized for reliable performance across the full 0°C to 70°C range under these conditions. Exceeding ±18 V risks permanent damage to the RC4559P internal circuitry.
Does RC4559P require external frequency compensation?
No, RC4559P does not require external frequency compensation. It is internally compensated for stable unity-gain operation, as confirmed in its datasheet features and operating characteristics. This eliminates the need for external capacitors or resistors in standard inverting or non-inverting configurations, simplifying design and reducing board space for the RC4559P.
Is RC4559P pin-compatible with Raytheon RC4559?
Yes, RC4559P is explicitly designed to be interchangeable with Raytheon RC4559, as stated in the official Texas Instruments datasheet. Both share identical PDIP-8 pinout, electrical specifications, and functional behavior - enabling direct replacement in legacy designs originally specifying the Raytheon part without PCB or schematic modification for the RC4559P.
What is the typical input offset voltage mismatch between the two amplifiers in RC4559P?
The RC4559P guarantees a maximum input offset voltage mismatch of ±0.2 mV between its two amplifiers at 25°C, as documented in the "Matching Characteristics" table. This tight matching supports precision differential applications such as instrumentation amplifiers and balanced signal processing where channel-to-channel tracking directly impacts measurement accuracy of the RC4559P.
Can RC4559P drive a 600 Ω load effectively?
Yes, RC4559P delivers ±9.5 V peak output swing into a 600 Ω load at 25°C, as specified in the "Maximum Peak Output Voltage Swing" parameter. While output voltage compliance decreases slightly under heavy loading, the RC4559P maintains usable linearity and low distortion in professional audio line-driving applications where 600 Ω termination is standard.
RC4559P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 2V/µs
- Gain Bandwidth Product:
- 4 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 40 nA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 3.3mA (x2 Channels)
- Current - Output / Channel:
- 10 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
RC4559P FAQ
1.How can I place an order for RC4559P through Aetrix?
Please submit a Request for Quotation (RFQ) for RC4559P 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 RC4559P reliable?
The price and inventory of RC4559P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RC4559P is usually 5 days.
3.What payment methods are accepted for RC4559P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RC4559P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RC4559P?
RC4559P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RC4559P 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 RC4559P?
For technical support, including RC4559P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RC4559P requirements.
6.How does Aetrix verify that RC4559P is sourced from the original manufacturer or authorized distributors?
All RC4559P 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 RC4559P meets industry standards.
7.What is the process for return or replacement of RC4559P?
All RC4559P units undergo pre-shipment inspection (PSI). If there is an issue with RC4559P, 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 RC4559P part is unused and in its original packaging.
Return procedure for RC4559P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RC4559P Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
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