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Analog Devices Inc. ADA4800ACPZ-RL
- Part No.:
- ADA4800ACPZ-RL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 6-UFDFN Exposed Pad, CSP
- Datasheet:
-
ADA4800ACPZ-RL.pdf
- Description:
- IC BUFFER 1 CIRCUIT 6LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:17,186
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Product details
Overview
ADA4800ACPZ-RL from Analog Devices is a low-power, high-speed voltage buffer IC with integrated active load, designed specifically for open-source CCD sensor output buffering. It delivers 400 MHz −3 dB bandwidth, 415 V/μs slew rate, and 4 ns 1% settling time on a 2 V step, operating from 4 V to 17 V supply while consuming only 20 mW static power. Its primary role is to condition CCD analog outputs before feeding into high-resolution AFEs such as AD9928 or AD997x.
For engineers reviewing the ADA4800ACPZ-RL datasheet, ADA4800ACPZ-RL pinout, ADA4800ACPZ-RL application, or ADA4800ACPZ-RL equivalent, key selection criteria include adjustable bandwidth via IDRV pin, programmable active load current via ISF pin, power-save mode control, push-pull output drive capability, and compatibility with industrial-temperature CCD imaging systems requiring fast settling and low noise.
Technical Context
The ADA4800ACPZ-RL integrates two independent functional blocks: a unity-gain buffer with push-pull output stage and an externally adjustable active current load (IAL) connected to the IN pin. The buffer's quiescent current (ICC) and −3 dB bandwidth are set by external resistor-to-voltage configuration on the IDRV pin, enabling precise trade-offs between speed (up to 400 MHz) and power (1.1–4.7 mA ICC).
The active load current (IAL), ranging from 1 μA to 12.7 mA, is controlled via the ISF pin using an external resistor and voltage source - allowing full shutdown of IAL for power save mode or dynamic adjustment across standby, sleep, and active imaging modes. Both IAL and ICC remain stable over −40°C to +85°C and support rail-to-rail input/output swing within 1.4 V of supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (−3 dB) | 400 MHz at 4.7 mA ICC - enables pixel clock rates up to ~200 MSPS in CCD line-scan applications. |
| Slew Rate | 415 V/μs - supports clean reproduction of fast CCD output transitions without distortion. |
| 1% Settling Time | 4 ns (rising), 4.5 ns (falling) on 2 V step - ensures accurate sampling of short-duration CCD video pulses. |
| Supply Range | 4 V to 17 V - compatible with both single-supply (e.g., +15 V) and split-supply (±7.5 V) CCD system architectures. |
| Active Load Current (IAL) | 0 μA (shutdown) to 12.7 mA (at VISF = 7.5 V) - programmable sink current for direct connection to open-drain CCD outputs. |
| Power Consumption | 20 mW typical static - meets stringent power budgets in portable digital still cameras and camcorders. |
| Operating Temperature | −40°C to +85°C - qualified for industrial and consumer imaging environments without derating. |
Pinout & Package
ADA4800ACPZ-RL is housed in a 1.6 mm × 1.6 mm × 0.55 mm, 6-lead LFCSP_UD (CP-6-4) package with exposed pad (EPAD) not internally connected to die. The package supports high-density PCB layouts and thermal dissipation via optional EPAD grounding.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - IN | CCD sensor output node | Direct connection point for open-source CCD output; accepts sink current from IAL block when enabled. |
| 2 - VEE | Negative supply rail | Reference for active load and buffer; supports ground or negative voltage (e.g., −7.5 V) operation. |
| 3 - OUT | Buffered analog output | Drives AFE input (e.g., AD9928) with push-pull capability; 1 kΩ || 22 pF load compliant per spec. |
| 4 - IDRV | Bandwidth and power control | Adjusts ICC and bandwidth via external resistor; logic-low disables buffer entirely. |
| 5 - VCC | Positive supply rail | Primary power for buffer and active load; must be powered before applying signals to any I/O pin. |
| 6 - ISF | Active load current control | Configures IAL magnitude or disables it for power save; compatible with microcontroller GPO logic levels. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated active load + unity-gain buffer | Eliminates need for external current source and op-amp in CCD output stage, reducing component count and layout area. |
| Adjustable bandwidth (182–400 MHz) | Enables optimization for different CCD pixel rates and resolution classes without changing ICs. |
| Programmable power save mode | Shuts down IAL and/or buffer via ISF/IDRV pins, cutting total current to <1 μA during idle periods. |
| Push-pull output stage | Delivers symmetrical 415 V/μs slew rate for both rising and falling edges, critical for fidelity in bi-directional CCD waveforms. |
| Industrial temperature range | Guarantees performance stability from −40°C to +85°C without calibration or compensation circuits. |
Applications
| Digital Still Camera Sensor Interface | Machine Vision Line-Scan System |
|---|---|
|
Use Scenario: High-resolution DSLR or mirrorless camera using interline-transfer CCD with open-source output. IC Role / Device Role / Timing Role: Acts as first-stage analog buffer between CCD pixel array and 14-bit AFE (e.g., AD9970), providing active load and gain-of-1 signal conditioning. Use Value: Enables sub-5 ns settling on 2 V video pulses while maintaining 1.5 nV/√Hz input-referred noise for >72 dB SNR in raw image data. |
Use Scenario: Industrial inspection system with linear CCD array scanning moving objects at 20 kHz line rate. IC Role / Device Role / Timing Role: Buffers high-speed analog output of monochrome line sensor before digitization by FPGA-based AFE. Use Value: 400 MHz bandwidth supports >100 MHz effective pixel clock, preserving edge integrity in high-contrast bar-code or defect detection. |
| Camcorder Image Signal Chain | Medical Endoscope CCD Interface |
|
Use Scenario: Portable HD camcorder with dual-CCD architecture requiring low-power analog front-end buffering. IC Role / Device Role / Timing Role: Provides isolated, low-noise buffering for RGB channel outputs prior to multiplexing and ADC conversion. Use Value: 20 mW static power and GPO-controllable IAL reduce system-level power by >30% during preview vs. record modes. |
Use Scenario: Miniaturized endoscopic camera using small-format CCD with strict size and thermal constraints. IC Role / Device Role / Timing Role: Interfaces compact CCD to low-jitter, low-distortion AFE in space-constrained PCB layout. Use Value: 1.6 mm × 1.6 mm LFCSP package fits within 3 mm² board area; 0.55 mm profile avoids mechanical interference with lens assembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CCD buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6629MA/NOPB | Higher 1.5 GHz bandwidth but no integrated active load; requires external current source and consumes 50 mW. | Best suited for non-CCD applications where active load is unnecessary or already implemented externally. | Select LMH6629MA/NOPB only if system already provides discrete IAL and demands >500 MHz bandwidth beyond ADA4800ACPZ-RL's 400 MHz limit. |
| THS4304DR | Fixed 1.8 GHz bandwidth, no IAL or power-save control; 3.3 V only supply; 40 mW power. | Designed for high-speed communication receivers, not optimized for CCD sink-current interfacing or wide supply range. | Choose THS4304DR only for 3.3 V systems needing ultra-wideband amplification without CCD-specific features like ISF/IDRV programmability. |
Compared with LMH6629MA/NOPB and THS4304DR, ADA4800ACPZ-RL uniquely combines integrated active load, dual-pin programmability (ISF/IDRV), 4–17 V operation, and 20 mW power - making it the only solution purpose-built for energy-efficient, compact CCD output buffering across consumer and industrial imaging platforms.
Availability
ADA4800ACPZ-RL is available at Aetrix Electronics and suitable for digital still cameras, machine vision inspection systems, and medical endoscope imaging requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for ADA4800ACPZ-RL 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, Inc. 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 ADA4800ACPZ-RL belongs to Analog Devices' high-speed amplifier product line, engineered specifically for charge-coupled device (CCD) signal chain applications demanding low power, fast settling, and integrated active loading without external components.
FAQ
What is the function of the ISF pin on the ADA4800ACPZ-RL?
The ISF pin on the ADA4800ACPZ-RL controls the magnitude of the integrated active load current (IAL), which sinks current from the CCD sensor output connected to the IN pin. By applying a voltage (0 V to 7.5 V) through an external resistor, IAL can be set from 1 μA to 12.7 mA - or fully disabled for power save mode. This eliminates the need for an external current source and allows dynamic control via microcontroller GPIO.
How does the IDRV pin affect bandwidth and power in the ADA4800ACPZ-RL?
The IDRV pin on the ADA4800ACPZ-RL sets the buffer's quiescent supply current (ICC), directly determining both bandwidth and power consumption. With RIDRV = 50 kΩ, ICC reaches 4.7 mA and bandwidth peaks at 400 MHz; with RIDRV = 300 kΩ, ICC drops to 1.1 mA and bandwidth reduces to 182 MHz. Applying logic-low to IDRV shuts down the buffer entirely, reducing ICC to near-zero.
Can the ADA4800ACPZ-RL operate from a single 5 V supply?
Yes, the ADA4800ACPZ-RL supports single-supply operation from 4 V to 17 V. At 5 V, it maintains full functionality including 400 MHz bandwidth (with appropriate ICC setting), 4 ns settling time, and active load control - provided VEE is tied to ground and input/output voltage ranges (VEE + 1.4 V to VCC − 1.4 V) are respected. Decoupling and layout guidelines must be followed for optimal noise performance.
Which AFEs are explicitly supported by the ADA4800ACPZ-RL according to its datasheet?
The ADA4800ACPZ-RL datasheet explicitly lists compatibility with Analog Devices' 12-bit and 14-bit high-resolution analog front ends, including AD9928, AD9990, AD9920A, AD9923A, and the AD997x family (e.g., AD9970, AD9971). These AFEs share compatible input voltage ranges, timing requirements, and noise sensitivity profiles that align with ADA4800ACPZ-RL's 1.5 nV/√Hz noise and fast settling behavior.
Does the ADA4800ACPZ-RL require external passive components for basic operation?
Yes - the ADA4800ACPZ-RL requires external resistors on ISF and IDRV pins to set active load current and bandwidth, plus 0.1 µF ceramic bypass capacitors on VCC, VEE, ISF, and IDRV pins. A 1 kΩ || 22 pF load is specified for dynamic testing, and bulk decoupling (e.g., 47 µF tantalum) is recommended near the supply rails. No external feedback network is needed due to fixed gain-of-1 architecture.
ADA4800ACPZ-RL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 6-UFDFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Buffer
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 145V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 400 MHz
- Current - Input Bias:
- 1 µA
- Voltage - Input Offset:
- 30 mV
- Current - Supply:
- 1.4mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 17 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-LFCSP-UD (1.6x1.6)
ADA4800ACPZ-RL FAQ
1.How can I place an order for ADA4800ACPZ-RL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADA4800ACPZ-RL 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 ADA4800ACPZ-RL reliable?
The price and inventory of ADA4800ACPZ-RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4800ACPZ-RL is usually 5 days.
3.What payment methods are accepted for ADA4800ACPZ-RL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4800ACPZ-RL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADA4800ACPZ-RL?
ADA4800ACPZ-RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADA4800ACPZ-RL 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 ADA4800ACPZ-RL?
For technical support, including ADA4800ACPZ-RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4800ACPZ-RL requirements.
6.How does Aetrix verify that ADA4800ACPZ-RL is sourced from the original manufacturer or authorized distributors?
All ADA4800ACPZ-RL 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 ADA4800ACPZ-RL meets industry standards.
7.What is the process for return or replacement of ADA4800ACPZ-RL?
All ADA4800ACPZ-RL units undergo pre-shipment inspection (PSI). If there is an issue with ADA4800ACPZ-RL, 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 ADA4800ACPZ-RL part is unused and in its original packaging.
Return procedure for ADA4800ACPZ-RL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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