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NXP Semiconductors SA5234D,512
- Part No.:
- SA5234D,512
- Manufacturer:
- NXP Semiconductors
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
SA5234D,512.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:4,704
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Product details
Overview
SA5234D,512 from NXP Semiconductors (formerly Philips) is a matched quad low-voltage operational amplifier with rail-to-rail input and output operation, 2.5 MHz unity-gain bandwidth, 0.8 V/µs slew rate, and 700 µA per amplifier supply current. It delivers 5.5 VPP into 600 Ω and supports 1.8 V minimum supply, making it suitable for portable instrumentation and automotive sensor signal conditioning.
For engineers reviewing the SA5234D,512 datasheet, SA5234D,512 pinout, SA5234D,512 application, or SA5234D,512 equivalent, key selection criteria include rail-to-rail I/O capability at ≤2.5 V supply, matched amplifier offset (≤0.4 mV typical), 1.4 µs 1% settling time, and –40 °C to +85 °C industrial temperature rating.
Technical Context
The SA5234D,512 integrates four precision op-amps on a single die with matched transistor pairs to minimize inter-amplifier offset and drift-critical for multi-channel sensing and error amplification. Its input stage operates down to 250 mV beyond both rails, and its output swings within 50 mV of each rail across the full 2–5.5 V single-supply range.
It features output inversion prevention circuitry that avoids phase reversal during common-mode overdrive, unlike conventional op-amps. The device includes ESD protection (2000 V HBM), short-circuit protection, and is specified for stable operation with capacitive loads up to 100 pF.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply voltage | 2 V to 5.5 V single supply; enables direct interface with 3.3 V and 2.5 V logic and ADCs |
| Unity-gain bandwidth | 2.5 MHz typical; supports stable closed-loop gain ≥1 with ≤1.4 µs settling to 1% |
| Slew rate | 0.8 V/µs typical; sufficient for 10 kHz sine wave output at 5 VPP without distortion |
| Input offset voltage | ±0.4 mV max (typical) over full temperature range; ensures <0.1% gain error in precision transducer buffers |
| Output swing | Within 50 mV of both rails at 5.5 V supply; maximizes dynamic range in low-voltage systems |
| Supply current | 700 µA per amplifier (typical); allows four-channel operation under 3 mA total at 5.5 V |
| Input voltage noise | 25 nV/√Hz at 1 kHz; suitable for low-level sensor amplification without added noise floor |
Pinout & Package
SA5234D,512 is housed in a 14-pin plastic small outline (SO) package (SOT108-1), 3.9 mm body width, surface-mount compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTPUT1 | Amplifier 1 output; rail-to-rail capable, ±15 mA drive |
| 2 | –INPUT1 | Inverting input of Amp 1; supports common-mode down to VEE – 0.25 V |
| 3 | +INPUT1 | Non-inverting input of Amp 1; wide common-mode range (250 mV beyond rails) |
| 4 | VCC | Positive supply pin; accepts 2–5.5 V single supply or +VS in dual-supply mode |
| 5 | +INPUT2 | Non-inverting input of Amp 2; electrically matched to other inputs for offset tracking |
| 6 | –INPUT2 | Inverting input of Amp 2; same matched characteristics as Pin 2 |
| 7 | OUTPUT2 | Amplifier 2 output; identical performance and drive capability as Pin 1 |
| 8 | OUTPUT3 | Amplifier 3 output; fully independent channel with rail-to-rail swing |
| 9 | –INPUT3 | Inverting input of Amp 3; matched to all other inputs for multi-channel consistency |
| 10 | +INPUT3 | Non-inverting input of Amp 3; supports same extended common-mode as Pins 2/3/5/6 |
| 11 | GND | Ground reference; shared return for all four amplifiers and supply |
| 12 | +INPUT4 | Non-inverting input of Amp 4; completes matched quad set |
| 13 | –INPUT4 | Inverting input of Amp 4; matched offset and bias current to other channels |
| 14 | OUTPUT4 | Amplifier 4 output; enables simultaneous 4-channel signal processing in compact layout |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full utilization of 2–5.5 V supply range; eliminates level-shifting in battery-powered systems |
| Matched quad architecture | Inter-amplifier offset difference ≤0.4 mV (typical); critical for differential sensing and multi-channel error amplifiers |
| Output inversion prevention | Prevents phase reversal during input overdrive-eliminates latch-up risk in feedback loops with large transients |
| Low 1.8 V functional threshold | Guaranteed operation down to 1.8 V supply; supports ultra-low-power microcontroller interfaces |
| ESD and short-circuit protection | 2000 V HBM ESD rating and internal current limiting enable robustness in production handling and field environments |
Applications
| Automotive Sensor Signal Conditioning | Portable Medical Monitor Front-End |
|---|---|
Use Scenario: Amplifying low-level signals from pressure, temperature, and position sensors in engine control units and ADAS modules. IC Role / Device Role / Timing Role: Quad op-amp configured as matched instrumentation amplifier stages and reference buffers. Use Value: Rail-to-rail I/O and matched offsets ensure accurate DC-coupled gain across –40 °C to +85 °C without calibration drift. | Use Scenario: Biopotential signal amplification (ECG, EEG) in handheld diagnostic devices powered by single-cell Li-ion batteries. IC Role / Device Role / Timing Role: Low-noise, low-power front-end amplifier with high CMRR and rail-to-rail output driving 12-bit SAR ADCs. Use Value: 25 nV/√Hz noise and 700 µA per amplifier enable >80 dB SNR at 1 kHz while extending battery life. |
| Industrial Remote Metering Interface | 5 V Datacom Bus Error Amplifier |
Use Scenario: Signal conditioning for analog outputs (4–20 mA, 0–10 V) in smart flow meters and environmental sensors deployed in harsh industrial sites. IC Role / Device Role / Timing Role: Precision buffer and level translator interfacing field transducers to isolated microcontrollers. Use Value: Matched quad topology allows simultaneous scaling, offset correction, and reference buffering on one SO-14 footprint. | Use Scenario: Regulating bus voltage and compensating line loss in 5 V data communication backplanes (e.g., RS-485 repeaters, LAN PHY interfaces). IC Role / Device Role / Timing Role: High-speed error amplifier in closed-loop DC-DC control for bus power regulation. Use Value: 2.5 MHz bandwidth and 1.4 µs settling support fast transient response to load steps on shared 5 V data lines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad low-voltage rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2464IDR | Higher supply current (850 µA/amplifier), lower noise (17 nV/√Hz), wider temp range (–40 to +125 °C) | Preferred for high-precision, high-temp industrial control where noise dominates error budget | Choose TLV2464IDR when 17 nV/√Hz noise and 125 °C rating outweigh 150 µA higher quiescent current |
| LMV324DT | Lower bandwidth (1 MHz), no guaranteed rail-to-rail input, higher offset (±3 mV max), but AEC-Q200 qualified | Used in cost-sensitive automotive body electronics where full rail-to-rail I/O is not required | Choose LMV324DT only for non-critical automotive applications requiring AEC-Q200 compliance and lower BOM cost |
Compared with TLV2464IDR and LMV324DT, the SA5234D,512 uniquely balances rail-to-rail input/output, matched quad performance, and industrial temperature range at sub-1 mA/quadrant current-making it optimal for portable instrumentation and multi-sensor signal chains where channel matching and supply headroom are critical.
Availability
SA5234D,512 is available at Aetrix Electronics and suitable for automotive electronics, portable medical diagnostics, and industrial remote metering requiring stable component supply and long-term lifecycle continuity.
Supply support for SA5234D,512 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
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications.
The SA5234D,512 belongs to NXP's legacy precision analog portfolio, originally developed by Philips for high-fidelity, low-voltage signal conditioning in resource-constrained embedded systems.
FAQ
What is the minimum operating supply voltage for the SA5234D,512?
The SA5234D,512 is specified to operate down to 1.8 V typical, with guaranteed functionality across the recommended 2 V to 5.5 V single-supply range. Below 2 V, parameters such as bandwidth, slew rate, and output swing degrade progressively; operation below 1.8 V is not characterized and may result in undefined behavior. For designs targeting 1.8 V systems, validation under actual load and temperature conditions is advised.
Does the SA5234D,512 support true rail-to-rail input operation?
Yes, the SA5234D,512 supports rail-to-rail input operation with a common-mode voltage range extending 250 mV beyond both supply rails (VEE – 0.25 V to VCC + 0.25 V). This enables direct interfacing with sensors and DACs operating at the supply extremes, eliminating the need for external level-shifting circuitry in low-voltage applications.
What is the maximum capacitive load the SA5234D,512 can drive stably?
The SA5234D,512 is characterized for stable operation with up to 100 pF capacitive load, as confirmed in the AC Electrical Characteristics table. Driving larger loads (e.g., >200 pF) may cause peaking or oscillation unless compensated via series resistance (typically 10–50 Ω) placed close to the output pin. Layout parasitics must also be minimized to preserve phase margin.
How does the output inversion prevention feature work in the SA5234D,512?
The SA5234D,512 incorporates internal circuitry that prevents output phase reversal when the input common-mode voltage exceeds the supply rails-a failure mode common in standard op-amps. As shown in Figure 2 of the datasheet, this is achieved via auxiliary clamping and bias control, ensuring the output remains monotonic and predictable even during transient overdrive events in feedback configurations.
Is the SA5234D,512 pin-compatible with other members of the NE/SA5234 family?
Yes, the SA5234D,512 shares identical pinout and footprint with NE5234D, SA5234N, and NE5234N-all use the same SO-14 (SOT108-1) or DIP-14 (SOT27-1) packages. Electrical differences are limited to temperature grade and initial offset specifications; no PCB redesign is needed when upgrading from NE5234D to SA5234D,512 for extended temperature operation.
SA5234D,512 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.8V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 2.5 MHz
- Current - Input Bias:
- 25 nA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 2.8mA (x4 Channels)
- Current - Output / Channel:
- 12 mA
- Voltage - Supply Span (Min):
- 2 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
SA5234D,512 FAQ
1.How can I place an order for SA5234D,512 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA5234D,512 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 SA5234D,512 reliable?
The price and inventory of SA5234D,512 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA5234D,512 is usually 5 days.
3.What payment methods are accepted for SA5234D,512?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA5234D,512 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA5234D,512?
SA5234D,512 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA5234D,512 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 SA5234D,512?
For technical support, including SA5234D,512 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA5234D,512 requirements.
6.How does Aetrix verify that SA5234D,512 is sourced from the original manufacturer or authorized distributors?
All SA5234D,512 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 SA5234D,512 meets industry standards.
7.What is the process for return or replacement of SA5234D,512?
All SA5234D,512 units undergo pre-shipment inspection (PSI). If there is an issue with SA5234D,512, 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 SA5234D,512 part is unused and in its original packaging.
Return procedure for SA5234D,512:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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