AD9826KRSZRL

Analog Devices AD9826KRSZRL — 3‑Channel, 16‑Bit CCD Analog Front End in SSOP‑28 (Tape & Reel)

The Analog Devices AD9826KRSZRL is a dedicated 3‑channel, 16‑bit CCD signal processor (AFE) that integrates a correlated double sampler (CDS), a programmable gain amplifier (PGA), and a high‑resolution 16‑bit A/D converter. Optimized for color CCD imaging pipelines, it delivers low‑noise front‑end conditioning and conversion in a compact SSOP‑28 footprint. The KRSZRL ordering code denotes the K grade, RS‑28 package, lead‑free finish (Z), and tape‑and‑reel supply (RL), making the AD9826KRSZRL a practical choice for both design-in and high‑volume manufacturing.

Engineers working on scanners, digital copiers/MFPs, cameras, and medical or industrial imaging modules will find the AD9826KRSZRL especially useful where three synchronized channels are needed to process R/G/B paths or multi‑output CCD architectures. By combining CDS, PGA, and a precision 16‑bit ADC per channel, the device simplifies the analog front end, shortens design time, and helps maintain image fidelity.

Why choose the AD9826KRSZRL for your CCD imaging front end?

• Integrated signal chain: CDS + PGA + 16‑bit ADC per channel, reducing external components and alignment complexity.
• True 3‑channel architecture: Ideal for color CCD sensors and systems requiring matched parallel paths.
• High dynamic range capture: 16‑bit conversion supports fine tonal gradations and low‑noise measurement.
• Pixel throughput appropriate for scanners and copiers: Typical family pixel rate around 15 MSPS (verify with the datasheet for final design limits).
• Compact, production‑friendly package: SSOP‑28 (RS‑28) with tape‑and‑reel delivery (RL) for automated SMT assembly.
• Lead‑free and RoHS compliant (Z suffix).

Key Specifications

• Brand/Manufacturer: Analog Devices (Analog Devices, Inc.)
• Category: Analog Front End (AFE) / CCD Signal Processor
• Channels: 3
• Resolution: 16‑bit
• Integrated Functions: Correlated Double Sampler (CDS), Programmable Gain Amplifier (PGA), and 16‑bit ADC
• Max Pixel Rate: 15 MSPS (typical family rating; consult datasheet for design validation)
• Package: SSOP‑28 (Package code: RS‑28)
• Pin Count: 28
• Mounting Type: Surface Mount
• Lead Finish: Lead‑free (Z suffix)
• Grade: K
• RoHS Status: RoHS Compliant (Z suffix denotes lead‑free)

Not specified in datasheet (from provided data): detailed power consumption, operating temperature range, and other environmental parameters. Always confirm final specifications in the official datasheet before design freeze.

Ordering Code Breakdown: AD9826KRSZRL

• AD9826: Device family (3‑channel CCD AFE)
• K: Grade (K)
• RS: Package code (RS‑28), corresponding to SSOP‑28
• Z: Lead‑free finish, RoHS compliant
• RL: Tape‑and‑reel packaging for automated assembly

This part number, AD9826KRSZRL, is thus the SSOP‑28, lead‑free, K‑grade variant supplied on tape & reel.

Applications and Use Cases

The Analog Devices AD9826KRSZRL serves as a front‑end building block for color and multi‑channel CCD systems where low‑noise sampling, flexible gain, and precise conversion are critical.

Typical applications include:

• CCD image sensors requiring parallel R/G/B processing
• Flatbed and film scanners needing consistent, low‑noise pixel capture
• Digital copiers and multifunction printers (MFPs)
• Digital still cameras leveraging discrete AFE architectures
• Medical and industrial imaging platforms that demand stable calibration and high dynamic range

In each case, the 3‑channel alignment enables synchronous sampling and closely matched paths, which reduces calibration overhead and helps maintain color balance and linearity across the imaging chain.

Design and Integration Notes

The AD9826KRSZRL integrates the most noise‑sensitive elements of a CCD readout path. While full implementation details reside in the datasheet, the following considerations help teams plan schematic, layout, and verification activities:

• Placement and routing: Position the AD9826KRSZRL close to the CCD sensor outputs to minimize trace length, capacitance, and coupled noise. Keep the analog input paths well isolated from digital clocks.
• Reference and decoupling: Provide local decoupling on each supply pin and follow the datasheet’s recommendations for reference bypassing. Clean references are vital for stable CDS operation and 16‑bit conversion linearity.
• Grounding strategy: Use a solid ground strategy with short return paths. Where the datasheet suggests analog/digital ground partitioning, follow those regions carefully and join grounds at the prescribed point.
• Clocking and pixel rate: The family’s typical pixel rate is 15 MSPS. Validate the chosen pixel clock against system SNR, horizontal/vertical blanking, and downstream bandwidth constraints. Always check timing margins and any duty‑cycle requirements the datasheet specifies.
• PGA configuration: Gain programming is central to leveraging the ADC’s full dynamic range. Define sensor operating points (dark level, typical exposure, highlights) and choose gain settings that avoid clipping while maximizing quantization resolution.
• CDS fundamentals: Correlated double sampling mitigates kTC noise and fixed‑pattern noise from CCD outputs. For best performance, adhere strictly to the timing and sampling window placement described in the datasheet.
• Power integrity: Even though detailed power numbers are not provided here, plan for clean rails with adequate headroom and low impedance across the AFE’s frequency bands. Employ ferrite beads or LC filters where the datasheet recommends.
• Thermal and EMI: The SSOP‑28 package simplifies routing but requires attention to thermal relief and EMI containment. Maintain uninterrupted return paths, minimize loop areas, and avoid running fast digital traces parallel to the analog front end.
• Test and calibration: Create test modes to sweep gain settings, measure noise floors, and confirm linearity. Characterize dark current subtraction and confirm black‑level stability over the system’s operating conditions.

These practices help preserve the low‑noise intent of the Analog Devices AD9826KRSZRL and shorten debug cycles from first articles through production.

Lifecycle, Supply, and Sourcing

• Lifecycle Status: Not specified in the provided data. Consult the Analog Devices product page for the latest status and longevity planning.
• Availability: The provided inventory shows non‑stock (quantity 0). For current stock and lead times, check Analog Devices directly or authorized distributors.
• Packaging: Tape & Reel (RL) for automated assembly lines; SSOP‑28 (RS‑28) package facilitates compact board layouts.
• Logistics fit: The combination of lead‑free finish (Z) and tape‑and‑reel supply makes the AD9826KRSZRL straightforward to integrate into RoHS‑compliant, high‑volume SMT workflows.

If your project needs multi‑year availability, request a Product Change Notification (PCN)/Product Discontinuance Notice (PDN) monitoring setup with your distributor and verify lifecycle assurance with Analog Devices.

Compliance and Environmental

• RoHS: RoHS Compliant. The Z suffix indicates a lead‑free finish.
• Additional environmental and reliability data: Not specified in the provided data. Consult the datasheet and product page for temperature range, ESD handling, MSL, and long‑term reliability information as applicable.

For regulated industries (medical, industrial safety, or imaging for inspection), ensure your compliance documentation chain includes the latest datasheet revision and any relevant quality reports from Analog Devices.

Alternatives and Cross‑References

• Approved alternates: None listed in the provided data.
• Replacements: None specified.

When considering alternatives, evaluate:

• Channel count and matching (must be true 3‑channel for many color CCD paths)
• ADC resolution and ENOB across the intended pixel rate
• CDS implementation details and timing flexibility
• PGA range, step size, and gain linearity
• Package availability and drop‑in fit (pinout and timing compatibility)

If your design window allows, consult Analog Devices’ broader portfolio or seek distributor guidance for second‑source strategies, but confirm pin‑compatibility and performance equivalence before substitution.

Frequently Asked Questions (FAQs)

Q: What is the Analog Devices AD9826KRSZRL?
A: It is a 3‑channel, 16‑bit CCD analog front end (AFE) that integrates CDS, PGA, and a 16‑bit ADC, intended for color CCD imaging pipelines.

Q: How many channels are available?
A: Three channels, suited to R/G/B or multi‑output CCD readouts.

Q: What resolution does the ADC provide?
A: 16‑bit conversion on each channel.

Q: What is the maximum pixel rate?
A: The family’s typical rating is about 15 MSPS. Verify the exact limits and timing in the official datasheet for your operating conditions.

Q: What package does the AD9826KRSZRL use?
A: SSOP‑28 (RS‑28 code) with a 28‑pin count.

Q: Is the device RoHS compliant?
A: Yes. The Z suffix denotes a lead‑free finish and RoHS compliance.

Q: What does each part of the ordering code mean?
A: AD9826 = device family; K = grade; RS = SSOP‑28 package code; Z = lead‑free; RL = tape‑and‑reel.

Q: Are detailed power consumption and operating temperature range available?
A: Not specified in the provided data. Refer to the datasheet for power, thermal, and environmental limits.

Q: Are there recommended replacements or approved alternates?
A: None are listed in the provided data. Evaluate other AFEs only after confirming pinout and performance requirements.

Q: Is inventory available now?
A: The provided inventory shows 0 units. Check Analog Devices or authorized distributors for current stock and lead times.

Resources

• Product Page: https://www.analog.com/en/products/ad9826.html
• Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/AD9826.pdf

These resources contain the definitive specifications, timing diagrams, and layout guidance necessary for final design decisions.

Summary

The Analog Devices AD9826KRSZRL provides a clean, integrated path from CCD sensor outputs to digital data with three synchronized channels, CDS, a flexible PGA, and precise 16‑bit conversion in a compact SSOP‑28 package. Its focus on low‑noise acquisition and color imaging workflows makes it a strong fit for scanners, digital copiers, cameras, and industrial/medical imaging systems. With RoHS‑compliant, lead‑free finishing and tape‑and‑reel availability, it also aligns with modern SMT production requirements. While certain parameters such as detailed power and environmental limits are not included here, the linked datasheet and product page supply the authoritative guidance needed to finalize timing, power, and performance in your design. For teams seeking a dependable, 3‑channel CCD AFE that balances integration, precision, and manufacturability, the Analog Devices AD9826KRSZRL is a compelling option.