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Analog Devices Inc. AD4080BBCZ
- Part No.:
- AD4080BBCZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 49-LFBGA, CSPBGA
- Datasheet:
-
AD4080BBCZ.pdf
- Description:
- 20-BIT, 40 MSPS SAR ADC
- Quantity:
- Payment:
- Shipping:
Inventory:238
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Product details
Overview
AD4080BBCZ from Analog Devices is a 20-bit, 40 MSPS differential successive approximation register (SAR) analog-to-digital converter optimized for precision wideband data acquisition. It delivers ±4 ppm INL (typ), 93.6 dB SNR at 1 kHz, 94.6 dBFS dynamic range, and 167.6 dBFS/Hz noise spectral density - enabling high-fidelity digitization in radar level measurement and electron microscopy systems.
For engineers reviewing the AD4080BBCZ datasheet, AD4080BBCZ pinout, AD4080BBCZ application, or AD4080BBCZ equivalent, this page provides verified technical context, validated pin functions, confirmed digital interface options (LVDS dual-lane DDR or quad-SPI), real-world application constraints, and two documented alternative ADCs with quantified performance trade-offs.
Technical Context
The AD4080BBCZ implements an Easy Drive input architecture that linearizes input current to 5 µA/MSPS and eliminates settling artifacts across the full conversion cycle, reducing driver bandwidth requirements. Its continuous acquisition topology enables stable sampling without dead time between conversions.
Internally, it integrates dual LDO regulators (VDD11 and IOVDD), a low-drift reference buffer, VCM generation, and a 16K-sample FIFO - all supported by on-package decoupling capacitors (470 nF on VDD11, 220 nF on IOVDD/VDDLDO). The digital interface supports configurable LVDS (single/dual lane, DDR) or SPI (single/quad lane), with independent clocking domains for CNV±, CLK±, and DCO±.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 20-bit with no missing codes - guarantees monotonicity and full code coverage for metrology-grade applications. |
| Sampling Rate | 40 MSPS maximum - supports real-time capture of signals up to 272 MHz −3dB input bandwidth. |
| INL | ±4 ppm typical (±8 ppm max) - ensures sub-1 LSB error over full scale at 20-bit resolution. |
| SNR | 93.6 dB typical at 1 kHz, 93.5 dB at 1 MHz - maintains >93 dB signal fidelity even at RF input frequencies. |
| Noise Spectral Density | 167.6 dBFS/Hz - enables oversampling to improve effective resolution without external filtering. |
| Power Dissipation | 79.3 mW typical at 40 MSPS with −0.5 dBFS sine input - balances speed and thermal efficiency in dense PCB layouts. |
| Differential Input Range | 6 V p-p (±VREFIN) - simplifies front-end design with standard 3.0 V reference and rail-to-rail compatibility. |
| Operating Temperature | −40°C to +85°C - qualified for industrial and embedded instrumentation environments. |
Pinout & Package
AD4080BBCZ uses a 49-ball, 5 mm × 5 mm CSP_BGA package with 0.65 mm pitch and integrated supply decoupling capacitors. All ground pins (GND, REFGND, IOGND) must connect to a low-impedance PCB ground plane; VDDLDO powers internal LDOs for VDD11 and IOVDD when active.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN+, IN− | Analog Differential Input | Primary 6 V p-p differential input pair; requires matched trace routing and 50 Ω termination for optimal THD. |
| AUXIN+, AUXIN− | Auxiliary Analog Input | Secondary differential input channel supporting multiplexed acquisition or diagnostic monitoring. |
| CNV+, CNV− | Conversion Start Control | Rising-edge-triggered control; configurable as CMOS (CNV+ only) or LVDS (differential, 100 Ω terminated). |
| CLK+, CLK− | LVDS Data Interface Clock | Differential clock input for LVDS mode; defines timing alignment for DA±/DB± and DCO± outputs. |
| DA+, DA− | Primary LVDS Data Lane A | Default serial data output lane; transmits MSB-aligned 20-bit results in DDR format at 400 MHz clock rate. |
| DB+, DB− | Secondary LVDS Data Lane B | Optional second lane for reduced per-lane data rate; enabled via configuration register for dual-lane operation. |
| DCO+, DCO− | LVDS Echo Clock Output | Buffered, delayed copy of CLK±; used for synchronous capture of DA±/DB± data on host FPGA/ASIC. |
| REFIN | Reference Voltage Input | 3.000 V ±5 mV input; supplies internal reference buffer and sets full-scale range for analog inputs. |
| VDD33, VDD11, IOVDD, VDDLDO | Supply Rails | VDD33 = 3.3 V core; VDD11 = 1.1 V ADC core (LDO-generated or external); IOVDD = 1.1 V digital interface; VDDLDO = 1.5–2.7 V LDO input. |
| CMO | Common-Mode Output | 1.51 V typical output; provides buffered VCM for driving ADC drivers or external circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Easy Drive Input Architecture | Linearized 5 µA/MSPS input current minimizes distortion and relaxes driver amplifier slew rate requirements. |
| Integrated Reference Buffer | Low-drift buffer eliminates need for external op-amp, reduces layout sensitivity, and improves long-term gain stability. |
| Configurable Digital Interface | Hardware-selectable LVDS (1 or 2 lanes) or SPI (1 or 4 lanes) - enables flexible host processor interfacing without redesign. |
| On-Package Decoupling | Integrated 470 nF (VDD11) and 220 nF (IOVDD/VDDLDO) capacitors reduce PCB footprint and eliminate discrete bypass capacitor placement errors. |
| 16K-Depth FIFO | Reduces host processor interrupt load and enables burst-mode acquisition without data loss at sustained 40 MSPS rates. |
| Digital Filtering Engine | Sinc1/Sinc5/Sinc5+compensation filters with up to 210 decimation - allows SNR improvement to 102.5 dBFS at lower output data rates. |
Applications
| Radar Level Measurement | Electron Microscopy |
|---|---|
|
Use Scenario: Digitizing GHz-range IF signals from FMCW radar receivers for precise distance and velocity calculation. IC Role / Device Role / Timing Role: High-speed, low-noise ADC capturing 40 MSPS samples with <94 dBFS dynamic range to resolve microsecond-level time-of-flight differences. Use Value: 272 MHz −3dB input bandwidth and 93.5 dB SNR at 1 MHz enable direct IF sampling without downconversion, reducing system complexity and phase noise. |
Use Scenario: Capturing secondary electron detector outputs in scanning electron microscopes requiring sub-nanosecond timing fidelity. IC Role / Device Role / Timing Role: Precision SAR ADC providing 20-bit resolution and 46.25 ns conversion latency for pixel-level intensity mapping. Use Value: ±4 ppm INL and 167.6 dBFS/Hz NSD ensure accurate grayscale representation across 1M+ pixel frames without calibration drift. |
| Power Quality Analysis | Automated Test Equipment |
|
Use Scenario: Monitoring harmonic content and transient events on 50/60 Hz AC mains with IEEE 1159 compliance. IC Role / Device Role / Timing Role: High-linearity ADC acquiring synchronized voltage/current waveforms at ≥10× fundamental frequency for THD and interharmonic analysis. Use Value: −110 dB THD at 1 kHz and 114 dB SFDR support detection of 0.001% harmonic distortion levels required for Class A PQ analyzers. |
Use Scenario: High-throughput parametric testing of analog ICs using digitized stimulus-response waveforms. IC Role / Device Role / Timing Role: Low-latency ADC feeding real-time DSP engines for pass/fail decision logic at production test speeds. Use Value: 46.25 ns fixed conversion latency and FIFO-based burst readout enable deterministic timing control for sub-millisecond test cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-resolution, high-speed SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD4070BCPZ | 18-bit, 40 MSPS, same package; 2-bit lower resolution, 91.5 dB SNR (typ), no integrated FIFO. | Lacks 16K FIFO and digital filter engine; suitable for cost-sensitive designs where 18-bit resolution suffices. | Select when system-level SNR budget allows 2 dB reduction and host processor handles data buffering. |
| ADS9234RIRHBT | Texas Instruments 18-bit, 40 MSPS SAR ADC; 92.5 dB SNR (typ), 1.8 V supply, no integrated reference buffer. | Requires external reference buffer and decoupling; offers lower power (55 mW) but higher layout sensitivity. | Choose for TI-ecosystem designs prioritizing ultra-low power over integrated analog support. |
Compared with AD4080BBCZ, AD4070BCPZ trades 2 bits of resolution and FIFO capability for lower cost and identical speed, while ADS9234RIRHBT reduces power by 30% but increases board-level design effort due to missing on-chip reference and decoupling.
Availability
AD4080BBCZ is available at Aetrix Electronics and suitable for radar level measurement, electron microscopy, and power quality analysis requiring stable component supply, long-term lifecycle assurance, and guaranteed traceability.
Supply support for AD4080BBCZ 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 technologies, serving industrial, communications, automotive, and healthcare markets since 1965.
The AD4080BBCZ belongs to Analog Devices' Precision High-Speed SAR ADC product line, designed specifically for applications demanding simultaneous high resolution, wide bandwidth, and low power - such as scientific instrumentation and advanced test systems.
FAQ
What is the absolute maximum input voltage for AD4080BBCZ analog inputs?
The absolute maximum analog input voltage for AD4080BBCZ is −0.3 V to +3.6 V relative to GND, as specified in Table 3 of the Rev. B datasheet. This applies to IN+, IN−, AUXIN+, and AUXIN− pins. Exceeding these limits risks permanent damage, even if operating conditions otherwise comply with specifications. Always maintain differential input within ±3.0 V and common-mode within 1.45 V to 1.55 V for valid operation.
Does AD4080BBCZ support single-ended analog input configurations?
No, AD4080BBCZ does not support true single-ended analog inputs. Its input structure is fully differential, with dedicated IN+/IN− and AUXIN+/AUXIN− pairs. While the datasheet permits tying AUXIN− to GND and applying signal to AUXIN+, this remains a pseudo-differential configuration and does not change the internal sampling architecture. Full performance - including 94.6 dBFS dynamic range and ±4 ppm INL - is only guaranteed under balanced differential drive.
Can AD4080BBCZ operate without an external reference voltage source?
No, AD4080BBCZ requires an external 3.0 V reference applied to the REFIN pin. The device includes an integrated reference buffer but no internal reference generator. The REFIN input must be stable within ±5 mV (2.995 V to 3.005 V) and sourced from a low-noise, low-impedance supply. Using an inaccurate or noisy reference directly degrades INL, SNR, and gain error - all key specs of the AD4080BBCZ.
What is the function of the CMO pin on AD4080BBCZ?
The CMO (Common-Mode Output) pin on AD4080BBCZ provides a buffered 1.51 V typical output that tracks the internal common-mode voltage used by the analog input stage. It serves as a stable bias reference for external ADC drivers or signal conditioning circuits, eliminating the need for a separate VCM generator. The CMO output has 71 µV RMS noise and 26.1 nV/√Hz spectral density, making it suitable for precision applications where common-mode stability affects system THD.
How does the AD4080BBCZ digital filter affect output data rate and latency?
The AD4080BBCZ digital filter (Sinc1/Sinc5/Sinc5+compensation) reduces output data rate via decimation - e.g., decimate-by-8 lowers 40 MSPS to 5 MSPS - while improving SNR up to 102.5 dBFS. Latency increases proportionally: Sinc1 adds ~1.5 conversion cycles, Sinc5 adds ~5.5 cycles, and Sinc5+compensation adds ~6.5 cycles. This trade-off is explicit in the AD4080BBCZ's timing model and must be accounted for in real-time control loops or hardware-in-the-loop systems.
AD4080BBCZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 49-LFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 20
- Sampling Rate (Per Second):
- 40M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- LVDS, SPI
- Configuration:
- ADC
- Ratio - S/H:ADC:
- 0:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 1.045V ~ 1.155V, 3.135V ~ 3.465V
- Voltage - Supply, Digital:
- 1.045V ~ 1.155V, 3.135V ~ 3.465V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 49-CSPBGA (5x5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD4080BBCZ FAQ
1.How can I place an order for AD4080BBCZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD4080BBCZ 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 AD4080BBCZ reliable?
The price and inventory of AD4080BBCZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD4080BBCZ is usually 5 days.
3.What payment methods are accepted for AD4080BBCZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD4080BBCZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD4080BBCZ?
AD4080BBCZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD4080BBCZ 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 AD4080BBCZ?
For technical support, including AD4080BBCZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD4080BBCZ requirements.
6.How does Aetrix verify that AD4080BBCZ is sourced from the original manufacturer or authorized distributors?
All AD4080BBCZ 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 AD4080BBCZ meets industry standards.
7.What is the process for return or replacement of AD4080BBCZ?
All AD4080BBCZ units undergo pre-shipment inspection (PSI). If there is an issue with AD4080BBCZ, 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 AD4080BBCZ part is unused and in its original packaging.
Return procedure for AD4080BBCZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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