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Analog Devices Inc. ADA4800ACPZ-R7
- Part No.:
- ADA4800ACPZ-R7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 6-UFDFN Exposed Pad, CSP
- Datasheet:
-
ADA4800ACPZ-R7.pdf
- Description:
- IC BUFFER 1 CIRCUIT 6LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,595
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Product details
Overview
ADA4800ACPZ-R7 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 in CCD imaging signal chains.
For engineers reviewing the ADA4800ACPZ-R7 datasheet, ADA4800ACPZ-R7 pinout, ADA4800ACPZ-R7 application, or ADA4800ACPZ-R7 equivalent, key selection criteria include adjustable bandwidth via IDRV pin, programmable active load current via ISF pin, push-pull output drive capability, industrial temperature range (−40°C to +85°C), and compatibility with AD9928/AD997x AFE families.
Technical Context
The ADA4800ACPZ-R7 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. Its bandwidth is set by IDRV pin current (IIDRV), which controls quiescent supply current (ICC) - e.g., 4.7 mA ICC yields 400 MHz bandwidth. The active load current (IAL) is scaled 27× from ISF pin current (IISF), enabling precise sink-current control for CCD biasing.
Power save mode is implemented by driving ISF with microcontroller GPO logic: high-Z or negative voltage disables IAL, while logic high enables it. The buffer remains operational unless IDRV is pulled to −VS, allowing independent control of load and buffer sections for dynamic power management in imaging systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (−3 dB) | 400 MHz at 4.7 mA ICC - supports high-resolution, high-frame-rate CCD readout without signal distortion. |
| Slew Rate | 415 V/μs - ensures faithful reproduction of fast CCD pixel transitions without slew-induced settling error. |
| 1% Settling Time | 4 ns (rising edge), 4.5 ns (falling edge) on 2 V step - critical for sub-microsecond pixel sampling intervals. |
| Supply Voltage Range | 4 V to 17 V - accommodates both single-supply (e.g., +15 V) and split-supply (±7.5 V) CCD system architectures. |
| Active Load Current (IAL) | 0 μA (power-down) to 12.7 mA (at VISF = 7.5 V) - programmable sink current for optimal CCD output biasing. |
| Quiescent Power | 20 mW typical - enables battery-powered or thermally constrained digital still cameras and camcorders. |
| Operating Temperature | −40°C to +85°C - qualified for industrial and consumer imaging environments without derating. |
Pinout & Package
ADA4800ACPZ-R7 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 - may be left floating or tied to low-impedance ground for thermal enhancement.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | CCD Sensor Output Input | Accepts open-source CCD output; sinks current via IAL when enabled - no external load resistor required. |
| 2 (VEE) | Negative Supply Rail | Supports single-supply (0 V) or dual-supply (e.g., −7.5 V) operation; referenced for ISF/IDRV voltage inputs. |
| 3 (OUT) | Buffered Output | Drives AFE input (e.g., AD9928) with low output impedance and fast transient response. |
| 4 (IDRV) | Bandwidth & Power Control | Adjusts ICC (1.1–4.7 mA) via external resistor/voltage; pulling to −VS disables buffer entirely. |
| 5 (VCC) | Positive Supply Rail | Supplies main buffer and active load circuitry; requires 0.1 µF ceramic bypass within 3 mm. |
| 6 (ISF) | Active Load Current Control | Sets IAL (0–12.7 mA) via external resistor/voltage; driven by MCU GPO for power-save sequencing. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated active load + unity-gain buffer | Eliminates need for external load resistor and discrete op-amp, reducing board area and component count in CCD signal path. |
| Adjustable bandwidth via IDRV pin | Enables dynamic trade-off between power (1.1 mA ICC → 182 MHz) and speed (4.7 mA ICC → 400 MHz) without changing layout. |
| Programmable active load current via ISF pin | Allows precise CCD output biasing across varying sensor types and operating conditions using simple resistor or MCU control. |
| Push-pull output stage | Delivers symmetrical 415 V/μs slew rate for both rising and falling edges - essential for accurate CCD waveform fidelity. |
| Power save mode with GPO interface | Reduces total system power by disabling IAL during standby or monitoring modes using standard microcontroller GPIO. |
Applications
| CCD Image Sensor Buffering | Digital Still Camera Signal Chain |
|---|---|
Use Scenario: Driving analog front-end input after CCD pixel readout in high-resolution image sensors. IC Role / Device Role / Timing Role: Acts as unity-gain buffer with programmable active load to condition open-drain CCD output before ADC sampling. Use Value: 4 ns settling time and 400 MHz bandwidth enable >30 fps full-frame capture at 12+ bits resolution without pixel smearing. |
Use Scenario: Interfacing interline-transfer CCDs in compact DSLR or mirrorless camera modules. IC Role / Device Role / Timing Role: Provides low-noise, low-power buffering between CCD and AD9928/AD997x AFE with minimal PCB footprint. Use Value: 20 mW static power and GPO-controlled power save extend battery life during preview and capture sequences. |
| Camcorder Video Acquisition | Machine Vision Inspection Systems |
Use Scenario: Real-time analog video signal conditioning in HD camcorders with progressive-scan CCDs. IC Role / Device Role / Timing Role: Buffers high-speed CCD output while maintaining DC accuracy and low THD for broadcast-quality video. Use Value: 1.5 nV/√Hz input voltage noise and <41 mV offset ensure clean luminance/chrominance separation in analog video path. |
Use Scenario: High-speed line-scan or area-scan CCD interfacing in automated optical inspection equipment. IC Role / Device Role / Timing Role: Serves as precision output driver for industrial CCDs requiring stable bias and fast settling under temperature variation. Use Value: −40°C to +85°C rating and <30 ppm/°C VOS drift maintain calibration integrity across factory floor environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CCD buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4895-1ARZ | Higher power (50 mW), fixed-gain 1 amplifier; no integrated active load; 1 GHz bandwidth. | Requires external load resistor; suited for low-noise post-amplification rather than direct CCD output buffering. | Select when higher bandwidth and lower noise are prioritized over power savings and integration. |
| LMH6629MA/NOPB | Fixed 1-GHz bandwidth, no active load; 12 V max supply; 3.5 mA quiescent current; no ISF/IDRV control pins. | Lacks programmable load/bandwidth; requires external bias network; limited to single-supply ≤12 V systems. | Choose for simpler designs where fixed high-speed buffering suffices and CCD-specific integration is unnecessary. |
Compared with ADA4800ACPZ-R7, ADA4895-1ARZ offers superior bandwidth and noise but sacrifices power efficiency and CCD-specific integration, while LMH6629MA/NOPB provides raw speed without programmability or active load - making ADA4800ACPZ-R7 uniquely optimized for power-constrained, multi-mode CCD imaging systems.
Availability
ADA4800ACPZ-R7 is available at Aetrix Electronics and suitable for CCD imaging, digital still camera design, and machine vision systems requiring stable component supply, long-term manufacturability, and RoHS-compliant packaging.
Supply support for ADA4800ACPZ-R7 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 semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision instrumentation, industrial, and communications markets.
The ADA4800ACPZ-R7 belongs to Analog Devices' high-speed amplifier product line, engineered specifically to address the demanding signal integrity, power, and integration requirements of CCD-based imaging systems.
FAQ
What is the primary function of the ADA4800ACPZ-R7 in a CCD imaging system?
The ADA4800ACPZ-R7 serves as a unity-gain voltage buffer with integrated active load, directly interfacing open-source CCD sensor outputs to analog front-end inputs. Its core function is to provide fast, low-distortion signal conditioning - delivering 400 MHz bandwidth, 415 V/μs slew rate, and 4 ns settling time - while eliminating the need for external load resistors and discrete amplifiers in the CCD signal path.
How does the IDRV pin affect the performance of the ADA4800ACPZ-R7?
The IDRV pin sets the ADA4800ACPZ-R7's quiescent supply current (ICC), directly controlling both bandwidth and power consumption. With RIDRV = 50 kΩ, ICC reaches 4.7 mA, enabling 400 MHz −3 dB bandwidth; at RIDRV = 300 kΩ, ICC drops to 1.1 mA, reducing bandwidth to 182 MHz. Pulling IDRV to −VS disables the buffer entirely, providing hardware-level shutdown capability.
Can the ADA4800ACPZ-R7 operate from a single 5 V supply?
Yes, the ADA4800ACPZ-R7 supports single-supply operation from 4 V to 17 V. At 5 V, it maintains full functionality including adjustable bandwidth and active load control, though maximum bandwidth and slew rate are reduced versus 15 V operation. The input/output voltage range spans VEE + 1.4 V to VCC − 1.4 V, permitting rail-to-rail signal handling with appropriate headroom.
What is the role of the ISF pin in ADA4800ACPZ-R7 power management?
The ISF pin controls the ADA4800ACPZ-R7's integrated active load current (IAL), enabling dynamic power optimization. By connecting ISF to a microcontroller GPO through an external resistor, IAL can be switched between 0 mA (standby), ~1.9 mA (monitoring), and ~3.4 mA (active) - reducing total system power without disabling the buffer. This allows selective power gating of the CCD load while preserving signal path readiness.
Which Analog Devices AFEs are explicitly compatible with the ADA4800ACPZ-R7?
The ADA4800ACPZ-R7 is explicitly designed to drive Analog Devices' 12-bit and 14-bit CCD analog front ends, including the AD9928, AD9990, AD9920A, AD9923A, and AD997x family. These AFEs share compatible input voltage ranges, timing requirements, and noise budgets - validated in Analog Devices' reference designs where ADA4800ACPZ-R7 drives their differential input stages with minimal external components.
ADA4800ACPZ-R7 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-R7 FAQ
1.How can I place an order for ADA4800ACPZ-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADA4800ACPZ-R7 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-R7 reliable?
The price and inventory of ADA4800ACPZ-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4800ACPZ-R7 is usually 5 days.
3.What payment methods are accepted for ADA4800ACPZ-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4800ACPZ-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADA4800ACPZ-R7?
ADA4800ACPZ-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADA4800ACPZ-R7 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-R7?
For technical support, including ADA4800ACPZ-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4800ACPZ-R7 requirements.
6.How does Aetrix verify that ADA4800ACPZ-R7 is sourced from the original manufacturer or authorized distributors?
All ADA4800ACPZ-R7 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-R7 meets industry standards.
7.What is the process for return or replacement of ADA4800ACPZ-R7?
All ADA4800ACPZ-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADA4800ACPZ-R7, 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-R7 part is unused and in its original packaging.
Return procedure for ADA4800ACPZ-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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