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Texas Instruments ADC12DJ2700AAV
- Part No.:
- ADC12DJ2700AAV
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 144-FBGA, FCBGA
- Datasheet:
-
ADC12DJ2700AAV.pdf
- Description:
- IC ADC 12BIT FOLD INTER 144FCBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,369
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Product details
Overview
ADC12DJ2700AAV from Texas Instruments is a 12-bit, RF-sampling analog-to-digital converter supporting 5.4 GSPS in single-channel mode or 2.7 GSPS in dual-channel mode, with 8.0 GHz analog input bandwidth (–3 dB) and >10 GHz usable frequency range. It features JESD204B subclass-1 interface up to 12.8 Gbps per lane, integrated digital down-converters (DDCs), and noiseless 19-fs aperture delay adjustment - deployed in 5G test equipment, phased array radar, and wideband digitizers.
For engineers reviewing the ADC12DJ2700AAV datasheet, ADC12DJ2700AAV pinout, ADC12DJ2700AAV application, or ADC12DJ2700AAV equivalent, key selection considerations include RF sampling capability beyond 10 GHz, deterministic latency via JESD204B subclass-1, dual-mode channel configuration flexibility, DDC-supported real/complex decimation, and thermal-aware power delivery at 2.7 W total.
Technical Context
The ADC12DJ2700AAV implements a dual-path RF-sampling architecture enabling reconfigurable operation: in single-channel mode, it achieves 5.4 GSPS with full 8.0 GHz –3 dB analog bandwidth and –153.8 dBFS/Hz noise floor; in dual-channel mode, it delivers 2.7 GSPS per channel with –151.6 dBFS/Hz noise floor and independent 32-bit NCOs per DDC path.
Its JESD204B interface supports up to 16 lanes at 12.8 Gbps, subclass-1 compliance ensures deterministic latency and multi-device synchronization, while automatic SYSREF timing calibration and timestamp-enabled sample marking simplify time-critical system integration for radar and SDR applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - enables high dynamic range signal capture with 72 dB theoretical SNR. |
| Sampling Rate | 5.4 GSPS (single-channel) or 2.7 GSPS × 2 (dual-channel) - supports Nyquist-zone sampling of L/S/C/X-band RF signals without analog downconversion. |
| Analog Input BW | 8.0 GHz (–3 dB), >10 GHz usable - allows direct RF sampling of signals up to X-band (8–12 GHz) in communications and radar. |
| Noise Floor | –153.8 dBFS/Hz (single-channel), –151.6 dBFS/Hz (dual-channel) - defines minimum detectable signal level in wideband spectrum analysis. |
| JESD204B Lanes | Up to 16 lanes, 12.8 Gbps max lane rate - reduces interface complexity via lane count/bitrate tradeoff while maintaining deterministic latency (subclass-1). |
| Power Consumption | 2.7 W total - distributed across 1.1 V (analog core) and 1.9 V (digital I/O) supplies, requiring thermally managed PCB layout. |
| DDC Capability | Dual-channel mode only: real (2×) or complex (4×/8×/16×) decimation with four 32-bit NCOs per channel - enables IF/RF digital mixing and data rate reduction before FPGA processing. |
Pinout & Package
ADC12DJ2700AAV is housed in a 144-ball FCBGA package (10.00 mm × 10.00 mm) with 0.8-mm pitch, optimized for high-frequency signal integrity and thermal dissipation in RF sampling systems.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INA+/INA–, INB+/INB– | Differential analog inputs | 50-Ω on-chip termination; 0 V common-mode; support >10 GHz RF input directly into ADC core. |
| CLK+/CLK– | Differential sampling clock input | AC-coupled LVDS-compatible input; self-biased at 0 V common-mode; samples on rising edge (dual) or both edges (single). |
| DA0+ to DA7+, DB0+ to DB7+ | JESD204B serialized data outputs | 16-lane differential outputs; require 100-Ω AC-coupled termination at receiver; support 12.8 Gbps max lane rate. |
| SYSREF+/SYSREF– | Deterministic latency synchronization input | Differential reference for multi-device alignment; internal 100-Ω termination (AC-coupled) or 50-Ω to ground (DC-coupled) depending on configuration. |
| NCOA0/NCOA1, NCOB0/NCOB1 | NCO selection control | Asynchronous 2-bit select lines per DDC channel; enable fast frequency hopping among four independent 32-bit NCOs. |
| TMSTP+/TMSTP– | Timestamp or differential SYNC input | Configurable dual-function pin: marks specific samples or serves as differential JESD204B SYNC when SYNC_SEL = 1. |
Key Features
| Feature | Design Value |
|---|---|
| Noiseless aperture delay (TAD) adjustment | 19-fs step resolution, temperature- and voltage-invariant - eliminates need for external delay tuning in multi-ADC time-interleaved systems. |
| Automatic SYSREF timing calibration | Hardware-calibrated windowing aligns SYSREF to internal clock phase - removes manual timing margining in MIMO and phased array beamforming. |
| Dual-channel digital down-converter (DDC) | Four independent 32-bit NCOs per channel with real/complex decimation - enables on-chip IF translation and 4×–16× data rate reduction before JESD204B serialization. |
| Buffered analog inputs with 0 V VCMI | 8.0 GHz –3 dB bandwidth, >10 GHz usable range, 0.8 VPP full-scale - simplifies front-end design by eliminating balun bias networks for DC-coupled RF paths. |
| JESD204B subclass-1 compliance | Deterministic latency across power cycles and device resets - guarantees repeatable sample-to-data-transfer timing for synchronized multi-board acquisition systems. |
Applications
| 5G Wireless Test Equipment | Satellite Communications (SATCOM) |
|---|---|
Use Scenario: Wideband signal generation and analysis for 28 GHz and 39 GHz 5G NR FR2 bands using vector signal analyzers. IC Role / Device Role / Timing Role: Direct RF sampling ADC capturing instantaneous bandwidth >1 GHz with deterministic latency for real-time modulation error ratio (MER) computation. Use Value: Eliminates analog downconversion stages, reducing component count and phase noise; 8.0 GHz input bandwidth supports harmonic sampling of mmWave carriers. | Use Scenario: High-throughput ground station receivers processing multiple QPSK/8PSK channels across C- and Ku-bands. IC Role / Device Role / Timing Role: Dual-channel mode digitizes two independent SATCOM IF paths simultaneously with synchronized timestamps for diversity combining. Use Value: On-chip DDCs perform 8× complex decimation per channel, reducing FPGA I/O bandwidth by 8× while preserving carrier phase coherence. |
| Phased Array Radar | LIDAR Time-of-Flight Systems |
Use Scenario: Active electronically scanned array (AESA) radar with 1024+ T/R modules requiring coherent sampling across all receive channels. IC Role / Device Role / Timing Role: Single-channel 5.4 GSPS mode captures ultra-wideband chirp returns; TAD adjustment aligns aperture timing across hundreds of ADCs. Use Value: 19-fs TAD steps enable sub-picosecond channel-to-channel skew correction, critical for narrow-beam digital beamforming. | Use Scenario: High-resolution 3D flash LIDAR for autonomous vehicles, requiring precise time-of-flight measurement of short laser pulses. IC Role / Device Role / Timing Role: Digitizes returned optical pulses with <10 ps timing jitter; timestamp feature marks exact sample corresponding to pulse detection. Use Value: Timestamp-enabled sample marking provides hardware-level correlation between photon arrival and system clock, improving distance accuracy to ±1 mm. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar RF-sampling ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADC12DJ3200AAV | 12-bit, 6.4 GSPS single-channel / 3.2 GSPS dual-channel; identical package and JESD204B interface; higher sampling rate but same 8 GHz input BW. | Better suited for wider instantaneous bandwidth needs (e.g., Ka-band radar), but requires higher power (3.1 W) and tighter clock jitter specs. | Select when >5.4 GSPS sampling is required and system can accommodate increased power and clock conditioning demands. |
| AD9208BBCZ | 14-bit, 3.0 GSPS dual-channel; 6.5 GHz input BW; JESD204C capable; lower noise floor (–152.5 dBFS/Hz) but no on-chip DDCs. | Preferred for high-SNR applications like spectrum monitoring where bit depth outweighs decimation flexibility; lacks integrated NCOs and real/complex DDC modes. | Select when 14-bit resolution and lower noise are prioritized over on-chip digital mixing and >10 GHz input coverage. |
Compared with ADC12DJ2700AAV, ADC12DJ3200AAV extends single-channel sampling to 6.4 GSPS for broader Nyquist zones, while AD9208BBCZ trades sampling speed and RF bandwidth for higher resolution and JESD204C readiness - making ADC12DJ2700AAV the optimal balance of GHz-range RF sampling, integrated DDC flexibility, and deterministic latency in X-band systems.
Availability
ADC12DJ2700AAV is available at Aetrix Electronics and suitable for 5G test instrumentation, phased array radar subsystems, and satellite communications receivers requiring stable component supply, long-term obsolescence management, and traceable sourcing.
Supply support for ADC12DJ2700AAV 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and high-performance data converters for industrial, automotive, and communications markets.
The ADC12DJ2700AAV belongs to TI's RF-sampling ADC family designed specifically for direct RF digitization in next-generation wireless infrastructure, defense radar, and high-speed test equipment - eliminating analog front-end complexity while preserving signal fidelity.
FAQ
What is the maximum usable input frequency supported by the ADC12DJ2700AAV?
The ADC12DJ2700AAV supports a usable analog input frequency range exceeding 10 GHz, with a –3 dB full-power bandwidth of 8.0 GHz. This enables direct sampling of L-band (1–2 GHz), S-band (2–4 GHz), C-band (4–8 GHz), and X-band (8–12 GHz) signals without analog downconversion. The >10 GHz usability is confirmed in both single- and dual-channel modes per TI's SLVSEH9A datasheet Section 3.
Does the ADC12DJ2700AAV support JESD204C or only JESD204B?
The ADC12DJ2700AAV supports JESD204B only - specifically subclass 0 and subclass 1 - with a maximum lane rate of 12.8 Gbps. It does not implement JESD204C features such as forward error correction (FEC) or enhanced link layer protocols. This is explicitly stated in the "Features" section of the official datasheet (SLVSEH9A, p.1), and no JESD204C capability is referenced in register maps or timing specifications.
Can the ADC12DJ2700AAV operate in single-channel mode while using its digital down-converter (DDC) blocks?
No - the DDC functionality in the ADC12DJ2700AAV is available exclusively in dual-channel mode. The datasheet states: "Digital down-converters in dual-channel mode" and specifies real/complex decimation options only under that operational mode. In single-channel mode, the DDC blocks are disabled, and output data flows directly from the ADC core through the JESD204B interface without digital mixing or decimation.
What power supply voltages does the ADC12DJ2700AAV require, and how are they distributed?
The ADC12DJ2700AAV requires two dedicated supply rails: 1.1 V for the analog core (VA11 pins) and 1.9 V for digital I/O and serializer circuits (VA19 pins). AGND and DGND must be tied to a common ground plane. Total power consumption is 2.7 W under typical operating conditions, as specified in Section 6.6 of the SLVSEH9A datasheet. Power sequencing requirements mandate ramping VA11 before VA19.
How many JESD204B lanes does the ADC12DJ2700AAV support, and what is the lane configuration flexibility?
The ADC12DJ2700AAV supports up to 16 JESD204B lanes - 8 lanes for channel A (DA0+ to DA7+) and 8 lanes for channel B (DB0+ to DB7+). Lane count is configurable via register settings to trade off interface speed versus routing complexity; fewer lanes increase per-lane data rate up to the 12.8 Gbps maximum, while more lanes reduce per-lane rate and relax PCB layout constraints. All lanes are electrically identical and support subclass-1 deterministic latency.
ADC12DJ2700AAV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 144-FBGA, FCBGA
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 2.7G, 5.4G
- Number of Inputs:
- 1, 2
- Input Type:
- Differential, Single Ended
- Data Interface:
- JESD204B
- Configuration:
- MUX-ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 2
- Architecture:
- Folding Interpolating
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 1.05V ~ 1.15V, 1.8V ~ 2V
- Voltage - Supply, Digital:
- 1.05V ~ 1.15V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 144-FCBGA (10x10)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADC12DJ2700AAV FAQ
1.How can I place an order for ADC12DJ2700AAV through Aetrix?
Please submit a Request for Quotation (RFQ) for ADC12DJ2700AAV 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 ADC12DJ2700AAV reliable?
The price and inventory of ADC12DJ2700AAV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADC12DJ2700AAV is usually 5 days.
3.What payment methods are accepted for ADC12DJ2700AAV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADC12DJ2700AAV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADC12DJ2700AAV?
ADC12DJ2700AAV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADC12DJ2700AAV 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 ADC12DJ2700AAV?
For technical support, including ADC12DJ2700AAV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADC12DJ2700AAV requirements.
6.How does Aetrix verify that ADC12DJ2700AAV is sourced from the original manufacturer or authorized distributors?
All ADC12DJ2700AAV 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 ADC12DJ2700AAV meets industry standards.
7.What is the process for return or replacement of ADC12DJ2700AAV?
All ADC12DJ2700AAV units undergo pre-shipment inspection (PSI). If there is an issue with ADC12DJ2700AAV, 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 ADC12DJ2700AAV part is unused and in its original packaging.
Return procedure for ADC12DJ2700AAV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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