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Analog Devices Inc. OP496GSZ-REEL
- Part No.:
- OP496GSZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OP496GSZ-REEL.pdf
- Description:
- IC CMOS 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,422
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Product details
Overview
OP496GSZ-REEL from Analog Devices is a quad micropower rail-to-rail input/output operational amplifier optimized for battery-powered instrumentation and sensor conditioning. It delivers 450 kHz gain bandwidth, 0.3 V/µs slew rate, 300 µV max input offset voltage, 60 µA supply current per amplifier, and operates from 3 V to 12 V single supply - enabling precision low-power signal conditioning in portable medical devices and industrial monitoring systems.
For engineers reviewing the OP496GSZ-REEL datasheet, OP496GSZ-REEL pinout, OP496GSZ-REEL application, or OP496GSZ-REEL equivalent, key selection criteria include guaranteed rail-to-rail swing at 3 V, ±4 mA output drive, 26 nV/√Hz noise density, industrial temperature range (–40°C to +125°C), and compatibility with capacitive loads up to 200 pF without oscillation.
Technical Context
The OP496GSZ-REEL implements a composite PNP/NPN input stage enabling true rail-to-rail common-mode input range (0 V to VS) and output swing within 70 mV of rails at 100 µA load. Its architecture eliminates phase reversal when inputs exceed supply rails - a critical feature for unclamped sensor interfaces.
It uses internal current-source biasing to maintain stable 60 µA/amplifier quiescent current across –40°C to +125°C and 3 V to 12 V supply, while achieving 500 V/mV large-signal open-loop gain and 47°–50° phase margin for unity-gain stability with capacitive loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 12 V single supply - supports direct connection to Li-ion, 3.3 V, and 5 V rails without regulation. |
| Gain Bandwidth Product | 450 kHz - enables stable closed-loop operation up to ~45 kHz at gain = 10, suitable for DC–audio-band sensor amplification. |
| Input Offset Voltage | 300 µV max (G grade) - ensures ≤0.3 mV error in 10-bit ADC front-ends with 3.3 V full-scale range. |
| Supply Current per Amp | 60 µA typical - four amplifiers draw only 240 µA total, extending battery life in always-on monitoring nodes. |
| Output Swing (vs. Rails) | 70 mV low / 115 mV high at 1 mA load (VS = 12 V) - preserves dynamic range in single-supply 12 V systems. |
| Voltage Noise Density | 26 nV/√Hz at 1 kHz - low enough for thermocouple and RTD amplification without dominating sensor noise. |
| Common-Mode Range | 0 V to VS - accepts inputs at ground or supply rail, simplifying level-shifting in bridge and current-sense circuits. |
Pinout & Package
OP496GSZ-REEL is housed in a 14-lead narrow-body SOIC package (SOIC_N) with standard JEDEC MS-012-AA footprint, 1.27 mm lead pitch, and 8.65 mm × 3.90 mm body dimensions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Drives external load; rail-to-rail swing supports full utilization of ADC reference range. |
| 2 (–IN A) | Inverting input A | Differential node for transimpedance or inverting gain configurations; accepts 0 V to VS. |
| 3 (+IN A) | Non-inverting input A | High-impedance node for sensor biasing or reference buffering; no phase reversal beyond rails. |
| 4 (V–) | Negative supply | Ground reference for single-supply operation; must be connected to system GND. |
| 5 (+IN C) | Non-inverting input C | Independent input for third amplifier; enables multi-channel signal conditioning on one die. |
| 6 (–IN C) | Inverting input C | Paired with Pin 5 for differential sensing or active filtering of channel C. |
| 7 (OUT C) | Amplifier C output | Provides second independent output path; identical specs to OUT A/B/D. |
| 8 (OUT A) | Amplifier A output (duplicate) | Same net as Pin 1 - dual-output configuration not supported; Pin 8 is electrically tied to Pin 1. |
| 9 (–IN A) | Inverting input A (duplicate) | Same net as Pin 2 - redundant pin for layout flexibility; no functional difference. |
| 10 (+IN A) | Non-inverting input A (duplicate) | Same net as Pin 3 - provided for routing convenience in dense PCB layouts. |
| 11 (V+) | Positive supply | Connects to main system supply (3–12 V); decoupling capacitor required at pin. |
| 12 (+IN B) | Non-inverting input B | Input for second amplifier; supports independent biasing or feedback networks. |
| 13 (–IN B) | Inverting input B | Complements Pin 12 for channel B signal processing; matched to other inputs. |
| 14 (OUT B) | Amplifier B output | Third dedicated output; Pin 14 is functionally distinct from Pins 1/7/8. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables direct interfacing with 0 V–VS sensors and ADCs without level-shifting circuitry. |
| No output phase reversal | Eliminates need for external clamping diodes when sensor signals exceed supply rails. |
| 200 pF capacitive load drive | Stable operation into ADC input capacitance or long PCB traces without compensation. |
| Industrial temperature range | Specified from –40°C to +125°C - qualified for under-hood automotive and factory-floor use. |
| Low 26 nV/√Hz noise | Preserves SNR in low-level sensor amplification where thermal noise dominates. |
Applications
| Battery Monitoring | Sensor Conditioner |
|---|---|
Use Scenario: Real-time voltage tracking of Li-ion cells in portable power tools during charge/discharge cycles. IC Role / Device Role / Timing Role: Precision buffer and differential amplifier measuring cell voltage with <1 mV error across 3–4.2 V range. Use Value: 300 µV max offset and rail-to-rail input allow accurate measurement down to 0 V cell voltage without external biasing. | Use Scenario: Amplifying millivolt-level outputs from thermopile IR sensors in HVAC occupancy detectors. IC Role / Device Role / Timing Role: Low-noise, low-power front-end gain stage with 26 nV/√Hz noise density and 60 µA quiescent current. Use Value: Enables >60 dB SNR at 1 Hz with 10 kΩ sensor impedance while drawing <250 µA total for quad channel. |
| Portable Instrumentation | RTD Signal Conditioning |
Use Scenario: Signal chain in handheld multimeters measuring DC voltage, current, and resistance. IC Role / Device Role / Timing Role: Autoranging amplifier and reference buffer with 450 kHz GBW supporting fast settling for digitization. Use Value: 0.3 V/µs slew rate and 47° phase margin ensure <1 µs settling to 0.1% for 1 V step inputs. | Use Scenario: 3-wire 100 Ω platinum RTD interface in industrial temperature transmitters operating from 5 V supply. IC Role / Device Role / Timing Role: Bridge excitation driver, differential amplifier, and gain stage in single-supply RTD amplifier (Fig. 12). Use Value: Rail-to-rail output swing generates precise 3.9 V bridge voltage; 500 V/mV open-loop gain ensures <0.01% linearity error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OP491ARZ | Lower GBW (170 kHz), higher supply current (125 µA/amp), same rail-to-rail I/O and 3–12 V range. | Less suitable for audio-band or fast-settling applications; better for ultra-low-noise DC-coupled designs (11 nV/√Hz). | Select OP491ARZ when noise performance outweighs speed and power constraints. |
| AD8604ARUZ | Higher GBW (8 MHz), higher supply current (240 µA/amp), wider temp range (–40°C to +125°C), same SOIC-14 package. | Supports higher-frequency filtering and faster control loops but increases battery drain by 4×. | Select AD8604ARUZ when closed-loop bandwidth >100 kHz is required and power budget allows. |
Compared with OP496GSZ-REEL, OP491ARZ trades bandwidth and power for lower noise, while AD8604ARUZ provides 18× higher bandwidth at 4× higher quiescent current - making OP496GSZ-REEL optimal for sub-500 kHz, battery-constrained sensor nodes.
Availability
OP496GSZ-REEL is available at Aetrix Electronics and suitable for battery monitoring, portable instrumentation, and industrial sensor conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for OP496GSZ-REEL 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The OP196/OP296/OP496 product line was designed specifically for micropower, single-supply, rail-to-rail signal conditioning in portable and battery-operated equipment - emphasizing ultra-low quiescent current, wide supply range, and robust input/output swing.
FAQ
What is the maximum capacitive load the OP496GSZ-REEL can drive without compensation?
The OP496GSZ-REEL is unconditionally stable driving capacitive loads up to 200 pF in unity-gain configuration, as verified in the datasheet's "Driving Capacitive Loads" section. This capability eliminates the need for external compensation when interfacing with typical ADC input capacitances (10–20 pF) or PCB trace capacitance in compact layouts. For loads exceeding 200 pF, the in-the-loop compensation technique shown in Figure 4 of the OP496GSZ-REEL datasheet is recommended.
Does the OP496GSZ-REEL support true rail-to-rail input at 3 V supply?
Yes, the OP496GSZ-REEL guarantees rail-to-rail input common-mode range from 0 V to VS across its full specified temperature range (–40°C to +125°C) and supply range (3 V to 12 V). At VS = 3 V, inputs operate from 0 V to 3 V, enabling direct connection to resistive sensors, bridge outputs, and DACs without level-shifting circuitry - a key advantage confirmed in the "Input Voltage Range" specification table.
What is the typical supply current per amplifier for OP496GSZ-REEL at 25°C and 5 V supply?
The typical supply current per amplifier for OP496GSZ-REEL is 60 µA at TA = 25°C and VS = 5 V, as specified in the "Supply Current per Amplifier" parameter under "ELECTRICAL SPECIFICATIONS". Over temperature (–40°C to +125°C), it remains bounded between 45 µA and 80 µA, ensuring predictable power consumption in battery-operated systems across environmental extremes.
Can OP496GSZ-REEL be used in a single-supply RTD amplifier like the one in Figure 12?
Yes, the OP496GSZ-REEL is explicitly validated for single-supply RTD amplifier designs, as demonstrated in Figure 12 of its datasheet. Its rail-to-rail output swing enables precise 3.9 V bridge excitation from a 5 V supply, and its 500 V/mV open-loop gain ensures high linearity in the instrumentation amplifier stage - directly supporting accurate temperature measurement with 10 mV/°C scaling as described in the application circuit.
Is OP496GSZ-REEL pin-compatible with other members of the OP196 family?
No, OP496GSZ-REEL is not pin-compatible with OP196 or OP296 due to differing channel counts and pinouts: OP196 is 8-pin SOIC (single amp), OP296 is 8-pin SOIC/TSSOP (dual amp), and OP496GSZ-REEL is 14-pin SOIC (quad amp) with unique pin mapping (e.g., Pins 1/8 both connect to OUT A). Interchange requires PCB redesign; however, electrical specifications and functional behavior are consistent across the family for design reuse at the schematic level.
OP496GSZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.3V/µs
- Gain Bandwidth Product:
- 450 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 nA
- Voltage - Input Offset:
- 35 µV
- Current - Supply:
- -
- Current - Output / Channel:
- 4 mA
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
OP496GSZ-REEL FAQ
1.How can I place an order for OP496GSZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for OP496GSZ-REEL 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 OP496GSZ-REEL reliable?
The price and inventory of OP496GSZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OP496GSZ-REEL is usually 5 days.
3.What payment methods are accepted for OP496GSZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OP496GSZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OP496GSZ-REEL?
OP496GSZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OP496GSZ-REEL 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 OP496GSZ-REEL?
For technical support, including OP496GSZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OP496GSZ-REEL requirements.
6.How does Aetrix verify that OP496GSZ-REEL is sourced from the original manufacturer or authorized distributors?
All OP496GSZ-REEL 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 OP496GSZ-REEL meets industry standards.
7.What is the process for return or replacement of OP496GSZ-REEL?
All OP496GSZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with OP496GSZ-REEL, 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 OP496GSZ-REEL part is unused and in its original packaging.
Return procedure for OP496GSZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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