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Analog Devices Inc. AD8515AKS-REEL7
- Part No.:
- AD8515AKS-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
AD8515AKS-REEL7.pdf
- Description:
- IC AMP GP R-R CMOS 5MHZ SC70-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,507
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Product details
Overview
AD8515AKS-REEL7 from Analog Devices is a single-channel, rail-to-rail input/output CMOS operational amplifier optimized for ultra-low-voltage, low-power operation. It delivers 5 MHz gain bandwidth, 2.7 V/μs slew rate, and 450 μA maximum supply current at 1.8 V, enabling precision signal conditioning in space-constrained, battery-powered sensor interfaces and portable communications systems.
For engineers reviewing the AD8515AKS-REEL7 datasheet, AD8515AKS-REEL7 pinout, AD8515AKS-REEL7 application, or AD8515AKS-REEL7 equivalent, key selection criteria include its 1.8 V minimum supply, 2 pA typical input bias current, −40°C to +125°C operating range, rail-to-rail swing, and SC70-5 package compatibility with high-density PCB layouts.
Technical Context
The AD8515AKS-REEL7 uses a complementary differential pair input stage (PMOS/NMOS) to achieve true rail-to-rail common-mode input range and output swing down to 10 mV from rails. Its 0.6 μm CMOS process enables stable 5 MHz unity-gain bandwidth across 1.8 V–5 V supplies while maintaining <450 μA quiescent current at lowest voltage.
It features no phase reversal under overdrive, robust 4 kV HBM ESD tolerance, and inherent stability driving capacitive loads up to 500 pF in unity gain-critical for sensor buffering and filter stages where external compensation is impractical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 5.0 V - operates through end-of-discharge of Li-ion, NiMH, and alkaline cells without brownout. |
| Gain Bandwidth Product | 5 MHz - supports accurate 100 kHz band-pass filtering and fast settling in data acquisition front-ends. |
| Slew Rate | 2.7 V/μs - enables clean 130 kHz sine-wave generation in Wien bridge oscillators and fast step response. |
| Input Bias Current | 2 pA typical at 1.8 V - minimizes voltage error in high-impedance sensor bridges and photodiode transimpedance stages. |
| Offset Voltage | 6 mV maximum - ensures <1 LSB error in 10-bit ADC driver applications with 1.8 V full-scale reference. |
| Quiescent Current | 450 μA maximum at 1.8 V - extends battery life in always-on wearable health monitors and IoT edge nodes. |
| Operating Temperature | −40°C to +125°C - qualified for automotive cabin electronics, industrial motor control feedback, and outdoor sensor nodes. |
Pinout & Package
AD8515AKS-REEL7 is housed in a 5-lead SC70 (KS-5) package per JEDEC MO-203-AA, measuring 2.00 mm × 1.25 mm × 0.90 mm, with gull-wing leads and 0.65 mm pitch. This ultra-small outline supports high-density placement adjacent to MEMS sensors or ASIC inputs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT | Amplifier Output | Delivers rail-to-rail swing (10 mV to VS − 20 mV) into 100 kΩ load; drives capacitive loads ≤500 pF without instability. |
| 2 - V− | Negative Supply | Ground reference for single-supply operation; must be connected directly to PCB ground plane for noise immunity. |
| 3 - +IN | Noninverting Input | High-impedance node (2 pA bias); accepts common-mode voltages from 0 V to VS; used for reference buffering and active filters. |
| 4 - −IN | Inverting Input | High-impedance node (2 pA bias); configured with feedback network for gain-setting; requires matched layout to +IN for CMRR optimization. |
| 5 - V+ | Positive Supply | Accepts 1.8 V–5.0 V; decoupling capacitor (≥100 nF) required within 2 mm for transient PSRR performance. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Enables full dynamic range utilization in 1.8 V systems-output swings to within 10 mV of either rail, preserving SNR in low-voltage ADC drivers. |
| 2 pA input bias current | Reduces offset drift in high-Z pH electrodes, thermopile amplifiers, and piezoelectric sensor interfaces where leakage dominates error budget. |
| 5 MHz bandwidth @ 1.8 V | Maintains loop stability in closed-loop sensor signal chains requiring >100 kHz closed-loop response, such as laser scanner position feedback. |
| No phase reversal | Prevents latch-up or erroneous output during input overvoltage events (e.g., ESD transients or sensor cable disconnect), improving system robustness. |
| SC70-5 footprint | Reduces board area by 40% vs. SOT-23-5; compatible with standard reflow profiles and automated optical inspection (AOI) for high-yield manufacturing. |
Applications
| Sensor Signal Conditioning | Portable Audio Front-End |
|---|---|
|
Use Scenario: Amplifying microvolt-level outputs from MEMS accelerometers and thermopiles in wearables. IC Role / Device Role / Timing Role: Low-noise, DC-coupled instrumentation amplifier stage with 22 nV/√Hz voltage noise and rail-to-rail output swing. Use Value: Preserves signal integrity without level-shifting circuitry; 450 μA supply current extends charge cycle by >30% vs. legacy op amps. |
Use Scenario: Driving analog inputs of voice codecs in Bluetooth headsets and smart speakers. IC Role / Device Role / Timing Role: Unity-gain buffer with 2.7 V/μs slew rate and 5 MHz bandwidth to preserve audio fidelity up to 20 kHz. Use Value: Eliminates clipping on 1.8 V supply; rail-to-rail swing maximizes codec input dynamic range without external biasing. |
| Battery-Powered Medical Devices | PCMCIA Card Interface |
|
Use Scenario: Biopotential amplification in ECG patches and pulse oximeters powered by coin-cell batteries. IC Role / Device Role / Timing Role: First-stage amplifier with 2 pA input bias current and 6 mV max offset to minimize electrode polarization errors. Use Value: Enables >7-day continuous monitoring on CR2032; −40°C to +125°C rating supports sterilization and body-worn thermal cycling. |
Use Scenario: Level-shifting and signal conditioning for legacy PCMCIA card I/O in industrial laptops. IC Role / Device Role / Timing Role: Rail-to-rail buffer isolating 3.3 V host logic from variable peripheral supply voltages (1.8 V–5 V). Use Value: Single-device solution replaces dual-supply op amps; SC70-5 footprint fits tight PCMCIA card edge spacing constraints. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP6001T-E/OT | Lower GBP (1 MHz), higher ISY (100 μA typ), same SC70-5 package; 6 mV max VOS identical. | Not rated for +125°C; limited to 0°C–70°C commercial grade-unsuitable for under-hood or industrial ambient. | Select when cost sensitivity outweighs temperature range and bandwidth requirements. |
| TSV911ICT | Higher GBP (8 MHz), higher ISY (880 μA max at 1.8 V), same rail-to-rail I/O; 1.8 V min supply confirmed. | Wider offset drift (5 μV/°C vs. 4 μV/°C); SC70-5 pinout matches but thermal resistance differs (θJA = 350°C/W vs. 376°C/W). | Choose when higher speed justifies 95% higher quiescent current and reduced thermal margin. |
Compared with MCP6001T-E/OT and TSV911ICT, AD8515AKS-REEL7 uniquely balances 5 MHz bandwidth, 450 μA max supply current at 1.8 V, and extended −40°C to +125°C qualification-making it optimal for automotive-grade sensor nodes and industrial battery systems where thermal robustness and speed coexist.
Availability
AD8515AKS-REEL7 is available at Aetrix Electronics and suitable for portable communications, sensor interfaces, and battery-powered devices requiring stable component supply across automotive, industrial, and medical design cycles.
Supply support for AD8515AKS-REEL7 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 precision instrumentation, industrial automation, and communications markets since 1965.
The AD8515AKS-REEL7 belongs to Analog Devices' low-voltage, micropower op amp family-designed specifically for energy-constrained, high-accuracy signal chains in portable and embedded systems operating down to 1.8 V.
FAQ
What is the minimum supply voltage for reliable operation of the AD8515AKS-REEL7?
The AD8515AKS-REEL7 is fully specified and guaranteed to operate from 1.8 V to 5.0 V. At 1.8 V, it maintains 5 MHz gain bandwidth, 2.7 V/μs slew rate, and rail-to-rail input/output swing across −40°C to +125°C-enabling direct interface with discharged lithium and alkaline cells.
Does the AD8515AKS-REEL7 support rail-to-rail input and output simultaneously?
Yes, the AD8515AKS-REEL7 supports true rail-to-rail input common-mode range (0 V to VS) and rail-to-rail output swing (within 10 mV of either rail at 100 µA load). This capability is verified across all supply voltages (1.8 V–5.0 V) and temperature extremes (−40°C to +125°C).
Can the AD8515AKS-REEL7 drive capacitive loads without external compensation?
Yes, the AD8515AKS-REEL7 is internally compensated to drive ≥500 pF capacitive loads in unity-gain configuration without oscillation or excessive ringing-verified in Figure 32 of the Rev. E datasheet. This eliminates need for isolation resistors in sensor buffer and filter applications.
What is the input bias current of the AD8515AKS-REEL7 at 1.8 V supply?
The AD8515AKS-REEL7 exhibits 2 pA typical input bias current at 1.8 V and 25°C, with a maximum of 30 pA. This ultra-low value remains stable across temperature and supply voltage, making it ideal for high-impedance sensor interfaces like pH electrodes and photodiodes.
Is the AD8515AKS-REEL7 pin-compatible with other SC70-5 op amps?
The AD8515AKS-REEL7 uses standard SC70-5 pinout (OUT, V−, +IN, −IN, V+), matching industry conventions. However, functional equivalence (e.g., bandwidth, supply current) must be verified per application-pinout compatibility does not guarantee drop-in replacement without circuit validation.
AD8515AKS-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 2.7V/µs
- Gain Bandwidth Product:
- 5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 5 pA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 410µA
- Current - Output / Channel:
- 20 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-5
AD8515AKS-REEL7 FAQ
1.How can I place an order for AD8515AKS-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8515AKS-REEL7 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 AD8515AKS-REEL7 reliable?
The price and inventory of AD8515AKS-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8515AKS-REEL7 is usually 5 days.
3.What payment methods are accepted for AD8515AKS-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8515AKS-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8515AKS-REEL7?
AD8515AKS-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8515AKS-REEL7 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 AD8515AKS-REEL7?
For technical support, including AD8515AKS-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8515AKS-REEL7 requirements.
6.How does Aetrix verify that AD8515AKS-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD8515AKS-REEL7 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 AD8515AKS-REEL7 meets industry standards.
7.What is the process for return or replacement of AD8515AKS-REEL7?
All AD8515AKS-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD8515AKS-REEL7, 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 AD8515AKS-REEL7 part is unused and in its original packaging.
Return procedure for AD8515AKS-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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