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Analog Devices Inc. AD9689BBPZ-2000
- Part No.:
- AD9689BBPZ-2000
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 196-LFBGA Exposed Pad
- Datasheet:
-
AD9689BBPZ-2000.pdf
- Description:
- IC ADC 14BIT PIPELINED 196BGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,724
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Product details
Overview
AD9689BBPZ-2000 from Analog Devices is a dual-channel, 14-bit, 2.0 GSPS analog-to-digital converter with JESD204B Subclass 1 serial interface, 9 GHz analog input bandwidth, −155.3 dBFS/Hz noise density at 2.0 GSPS (2.0 V p-p full-scale), and integrated digital downconverters (DDCs) supporting multiband RF receiver applications in DOCSIS 3.0 CMTS and phased array radar systems.
For engineers reviewing the AD9689BBPZ-2000 datasheet, AD9689BBPZ-2000 pinout, AD9689BBPZ-2000 application, or AD9689BBPZ-2000 equivalent, key selection criteria include deterministic latency (75 clock cycles), dual-channel SFDR ≥78 dBFS at 900 MHz, JESD204B lane rate scalability up to 16 Gbps, and SPI-configurable NCO switching for agile frequency band selection.
Technical Context
The AD9689BBPZ-2000 implements two independent pipelined ADC cores with on-chip sample-and-hold, differential LVDS/LVPECL clock inputs, and programmable full-scale ranges (1.1 V, 1.7 V, or 2.0 V p-p). Each channel feeds into a dedicated crossbar mux routing to four DDCs featuring 48-bit NCOs, cascaded decimation filters, and phase-coherent band switching via GPIO pins.
Its JESD204B Subclass 1 link supports 1–8 lane configurations with deterministic latency alignment using SYSREF± and SYNCINB± inputs; digital outputs use SST logic with 360–770 mV p-p swing into 80–120 Ω termination, and power sequencing is managed across seven supply domains (AVDD1/AVDD2/AVDD3/DVDD/DRVDD1/DRVDD2/SPIVDD).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 8.4–10.5 ENOB across 155 MHz–5.53 GHz input frequencies, enabling high-fidelity digitization of wideband RF signals. |
| Sampling Rate | 2.0 GSPS - fixed maximum sample rate for this variant; supports real-time capture of 5 GHz full-power analog bandwidth signals. |
| Noise Density | −155.3 dBFS/Hz at 2.0 GSPS, 2.0 V p-p - enables high SNR (>62.7 dBFS at 900 MHz) without external amplification in sensitive receiver front ends. |
| SFDR | 78 dBFS at 900 MHz AIN, −2.0 dBFS - suppresses spurious content critical for LTE-A and W-CDMA adjacent-channel interference mitigation. |
| Analog Input Bandwidth | 9 GHz (−3 dB) - allows direct RF sampling of L/S/C-band signals without analog preselection filtering. |
| JESD204B Lane Rate | Up to 16 Gbps per lane - supports high-throughput data streaming to FPGA-based signal processors with minimal serialization overhead. |
| Power Dissipation | 2.45 W total (default mode, no DDCs) - optimized for thermal-constrained 12 mm × 12 mm BGA packaging in dense RF subsystems. |
Pinout & Package
AD9689BBPZ-2000 is housed in a Pb-free, 196-ball, 12 mm × 12 mm BGA package (ball pitch: 0.8 mm), specified for −40°C to +85°C ambient operation. Thermal pad (ball A1) must be soldered to PCB ground plane for thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+A / VIN−A VIN+B / VIN−B |
Differential analog inputs (Channel A/B) | Accepts 1.1–2.0 V p-p differential signals; 9 GHz −3 dB bandwidth enables direct RF sampling up to ~5 GHz. |
| CLK+ / CLK− | Differential sampling clock input | LVDS/LVPECL-compatible; supports 6 GHz clock rate; aperture jitter = 55 fs rms for low-noise sampling. |
| SERDOUT0± to SERDOUT7± | JESD204B serialized data outputs | Eight differential SST lanes; configurable 1–8 lane mapping; lane rate scalable to 16 Gbps for high-throughput FPGA interfacing. |
| SYSREF± | Multi-device synchronization reference | Enables deterministic latency alignment across multiple AD9689BBPZ-2000 or companion devices in time-coherent arrays. |
| FD_A/GPIO_A0 FD_B/GPIO_B0 |
Fast detect output / general-purpose I/O | Low-latency (26-cycle) overrange indication for AGC loop response; configurable as GPIO for NCO band selection. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated DDC per channel | Each channel includes 48-bit NCO, programmable decimation, complex-to-real conversion, and mixed-decimation support-enabling simultaneous multiband demodulation without external DSP. |
| Amplitude detect bits | Real-time fast detect outputs (FD_A/FD_B) with 26-cycle latency allow sub-microsecond AGC response to prevent ADC overrange in burst-mode receivers. |
| Programmable FIR filters | On-chip FIR equalization compensates for analog front-end insertion loss and group delay distortion, reducing post-ADC correction complexity. |
| Flexible JESD204B configuration | Supports L=1/2/4/8, M=2, F=1–24 mappings; Subclass 1 deterministic latency ensures repeatable timing for synchronized multi-ADC systems. |
| Multi-supply domain architecture | Seven independent supplies (0.975 V/1.9 V/2.5 V) isolate analog, digital, and I/O domains-minimizing supply-induced crosstalk and optimizing SNR/SFDR. |
Applications
| Diversity Multiband Receiver | DOCSIS 3.0 CMTS Uplink |
|---|---|
|
Use Scenario: Simultaneous reception of multiple cellular bands (e.g., LTE Band 1 + Band 3 + Band 7) using shared RF front end and antenna array. IC Role / Device Role / Timing Role: Dual-channel ADC digitizes I/Q paths; DDCs independently tune to each band; NCO switching synchronizes to burst TDMA frames. Use Value: Eliminates need for discrete downconverters and IF digitizers; reduces BOM count and board area while maintaining >78 dBFS SFDR per channel. |
Use Scenario: Upstream receive path in cable modem termination systems handling 5–42 MHz reverse-path channels with high dynamic range. IC Role / Device Role / Timing Role: Digitizes composite upstream spectrum; programmable FIR filters compensate for HFC plant tilt; JESD204B streams data to FPGA-based channelizers. Use Value: Achieves >62.7 dBFS SNR at 900 MHz and <1 LSB INL error-meeting DOCSIS 3.0 MER requirements without analog calibration. |
| Phased Array Radar | Electronic Warfare Receiver |
|
Use Scenario: Coherent digitization of 16–64 antenna elements for beamforming and direction-of-arrival estimation in S-band radar. IC Role / Device Role / Timing Role: Multi-AD9689BBPZ-2000 system synchronized via SYSREF±; deterministic latency enables sub-nanosecond inter-channel phase alignment. Use Value: 75-cycle pipeline latency and <55 fs aperture jitter preserve phase coherence across channels for accurate beam steering. |
Use Scenario: Wideband signal intelligence (SIGINT) receiver capturing transient emitters across 100 MHz–6 GHz with instantaneous bandwidth >1 GHz. IC Role / Device Role / Timing Role: ADC core captures full instantaneous bandwidth; fast detect triggers recording on signal onset; DDCs perform real-time channelization. Use Value: −155.3 dBFS/Hz noise density and 5 GHz full-power bandwidth enable detection of low-PW pulses amid high-noise floor environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed dual ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9208BCPZ-3000 | Higher 3.0 GSPS sampling rate; identical pin/package/feature set but requires higher clock and power (3.1 W); no 2.0 GSPS variant option. | Better suited for mmWave 5G NR FR2 or Ka-band radar where >2.5 GSPS instantaneous bandwidth is required. | Select AD9208BCPZ-3000 only if system demands >2.0 GSPS sampling; AD9689BBPZ-2000 offers lower power and optimized 2.0 GSPS performance. |
| ADS54J60IRCP | Texas Instruments 14-bit, 1.0 GSPS dual ADC; JESD204B Subclass 0; 3.5 GHz analog bandwidth; 1.8 W typical power; different pinout and register map. | Targeted at cost-sensitive test equipment and mid-tier communications where 2.0 GSPS is not required. | Choose ADS54J60IRCP for legacy JESD204B Subclass 0 designs or when 1.0 GSPS suffices; AD9689BBPZ-2000 provides superior bandwidth, noise, and Subclass 1 synchronization. |
Compared with AD9208BCPZ-3000, AD9689BBPZ-2000 trades peak sample rate for lower power and enhanced 2.0 GSPS noise/SFDR; versus ADS54J60IRCP, it delivers 2.6× wider analog bandwidth, deterministic latency, and integrated DDCs-making it optimal for next-generation multiband and phased-array systems.
Availability
AD9689BBPZ-2000 is available at Aetrix Electronics and suitable for DOCSIS 3.0 CMTS infrastructure, phased array radar subsystems, and 4G/5G diversity receiver designs requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for AD9689BBPZ-2000 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, headquartered in Norwood, MA, with design centers and manufacturing facilities worldwide.
The AD9689 belongs to Analog Devices' high-speed data converter product line, engineered specifically for direct RF sampling in communications infrastructure, defense electronics, and test instrumentation where wide bandwidth, low noise, and deterministic digital interface timing are critical.
FAQ
What is the maximum analog input frequency supported by the AD9689BBPZ-2000?
The AD9689BBPZ-2000 supports a full-power analog input bandwidth of 5 GHz and a −3 dB small-signal analog input bandwidth of 9 GHz. This enables direct RF sampling of signals up to approximately 5 GHz without analog pre-downconversion, making it suitable for L-, S-, and C-band applications in radar and wireless infrastructure.
Does the AD9689BBPZ-2000 support deterministic latency for multi-device synchronization?
Yes, the AD9689BBPZ-2000 implements JESD204B Subclass 1 with deterministic latency. Using SYSREF± and SYNCINB± inputs, it achieves precise multi-device alignment with a fixed pipeline latency of 75 clock cycles and sub-nanosecond inter-device phase coherence-essential for phased array radar and beamforming systems.
What are the supported full-scale input voltage ranges for the AD9689BBPZ-2000?
The AD9689BBPZ-2000 supports three differential full-scale input voltage ranges: 1.1 V p-p, 1.7 V p-p, and 2.0 V p-p. Performance metrics-including noise density (−155.3 dBFS/Hz at 2.0 V p-p) and SFDR (78 dBFS at 900 MHz)-are specified per range, allowing optimization for SNR, headroom, or dynamic range based on front-end signal chain design.
Can the AD9689BBPZ-2000 operate without external memory or FPGA-based post-processing?
Yes, the AD9689BBPZ-2000 integrates two wideband digital downconverters (DDCs) per channel, each with a 48-bit NCO, programmable decimation, and FIR filtering. These on-chip processors enable real-time channelization, frequency translation, and equalization-reducing dependency on external FPGA resources for baseband processing in compact receiver designs.
What power supply voltages does the AD9689BBPZ-2000 require?
The AD9689BBPZ-2000 requires seven independent supply rails: AVDD1/AVDD1_SR (0.975 V), AVDD2 (1.9 V), AVDD3 (2.5 V), DVDD (0.975 V), DRVDD1/DRVDD2 (0.975 V/1.9 V), and SPIVDD (1.9 V). Proper sequencing and decoupling per Analog Devices' layout guidelines are mandatory to achieve specified SNR and SFDR performance.
AD9689BBPZ-2000 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 196-LFBGA Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 2G
- Number of Inputs:
- 2
- Input Type:
- Differential
- Data Interface:
- JESD204B
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 2
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 0.95V ~ 1V, 1.85V ~ 1.95V, 2.44V ~ 2.56V
- Voltage - Supply, Digital:
- 0.95V ~ 1V, 1.85V ~ 1.95V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 196-BGA-ED (12x12)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9689BBPZ-2000 FAQ
1.How can I place an order for AD9689BBPZ-2000 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9689BBPZ-2000 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 AD9689BBPZ-2000 reliable?
The price and inventory of AD9689BBPZ-2000 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9689BBPZ-2000 is usually 5 days.
3.What payment methods are accepted for AD9689BBPZ-2000?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9689BBPZ-2000 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9689BBPZ-2000?
AD9689BBPZ-2000 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9689BBPZ-2000 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 AD9689BBPZ-2000?
For technical support, including AD9689BBPZ-2000 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9689BBPZ-2000 requirements.
6.How does Aetrix verify that AD9689BBPZ-2000 is sourced from the original manufacturer or authorized distributors?
All AD9689BBPZ-2000 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 AD9689BBPZ-2000 meets industry standards.
7.What is the process for return or replacement of AD9689BBPZ-2000?
All AD9689BBPZ-2000 units undergo pre-shipment inspection (PSI). If there is an issue with AD9689BBPZ-2000, 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 AD9689BBPZ-2000 part is unused and in its original packaging.
Return procedure for AD9689BBPZ-2000:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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