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Home > Products > Integrated Circuits (ICs) > Data Acquisition > Analog to Digital Converters (ADC)

Texas Instruments ADC12D500RFIUT/NOPB

Name: ADC12D500RFIUT/NOPB
Brand: Texas Instruments
SKU: ADC12D500RFIUT/NOPB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ADC12D500RFIUT/NOPB

Manufacturer:: Texas Instruments

Category:: Analog to Digital Converters (ADC)

Package:: 292-BBGA

Datasheet:: ADC12D500RFIUT/NOPB.pdf

Description:: IC ADC 12BIT FOLD INTERP 292BGA

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Product details

Overview

ADC12D500RFIUT/NOPB from Texas Instruments is a 12-bit, 1.0 GSPS RF-sampling analog-to-digital converter optimized for direct RF sampling up to 2.7 GHz. It operates in interleaved mode (1.0 GSPS) or dual-channel mode (500 MSPS per channel), delivers 59.7 dB SNR and 72 dBc SFDR at 498 MHz input, and features internally terminated differential analog inputs with programmable full-scale range and offset. It targets high-performance receive paths in 4G basestations and radar systems.

For engineers reviewing the ADC12D500RFIUT/NOPB datasheet, ADC12D500RFIUT/NOPB pinout, ADC12D500RFIUT/NOPB application, or ADC12D500RFIUT/NOPB equivalent, key selection criteria include RF input bandwidth support, interleaved vs. dual-channel timing configuration, LVDS output data rate modes (SDR/DDR, demux/non-demux), AutoSync capability for multi-ADC synchronization, and thermal management requirements of the 292-ball HSBGA package.

Technical Context

The ADC12D500RFIUT/NOPB implements a time-interleaved dual-channel architecture with DES (Dual Edge Sampling) and non-DES operational modes. Its analog front end supports AC/DC-coupled differential inputs with user-selectable full-scale range via FSR pin and common-mode control via VCMO pin.

Digital interface uses LVDS outputs compliant with IEEE 1596.3-1996, configurable for 1:1 non-demuxed or 1:2 demuxed data rates, with SDR/DDR clocking options and programmable common-mode voltage via VBG pin. Calibration is supported via dedicated CAL, CalDly, and serial interface registers.

Key Specifications

Parameter	Value and Actual Design Meaning
Resolution	12 bits - defines quantization granularity and dynamic range for wideband RF signal digitization.
Sampling Rate	1.0 GSPS (interleaved) or 500 MSPS per channel (dual) - determines maximum Nyquist zone coverage and real-time bandwidth capture capability.
SNR	59.7 dB (typ, f_IN = 498 MHz) - sets effective number of bits (ENOB = 9.6) and noise floor (-150.5 dBm/Hz) for weak-signal detection.
SFDR	72 dBc (typ, f_IN = 498 MHz) - indicates spurious-free dynamic range critical for multi-carrier wireless and radar pulse fidelity.
Input Bandwidth	DC to 2.7 GHz - enables direct RF sampling without IF downconversion, reducing system complexity and image rejection requirements.
Power Dissipation	2.02 W (typ, total) - requires thermal design with soldered center ground balls and PCB ground plane per HSBGA thermal guidelines.
Output Interface	LVDS, IEEE 1596.3-1996 compliant - ensures robust high-speed data transmission to FPGA/ASIC with programmable V_CM and differential swing.

Pinout & Package

ADC12D500RFIUT/NOPB is housed in a lead-free, thermally enhanced 292-ball HSBGA package (TI package code NXA0292A), with center ground balls requiring soldering to PCB ground plane for thermal performance and signal integrity.

Pin/Terminal	Circuit Role	Design Meaning
VinI+/−, VinQ+/−	Differential analog inputs	Accepts AC/DC-coupled RF signals up to 2.7 GHz; internal bias disabled in DC-coupled mode per VCMO pin state.
CLK+/−, DCLKI+/−, DCLKQ+/−	Differential clock inputs	Supports 1.0 GSPS sampling clock; phase alignment critical for interleaved timing skew control.
DId0+ to DId11+, DQd0+ to DQd11+	LVDS digital outputs	Deliver interleaved or demuxed I/Q data; configurable for SDR/DDR and 1:1/1:2 demux ratio via control pins and SPI.
FSR, VCMO, DES, NDM, DDRPh	Mode configuration pins	Set full-scale range, coupling mode, DES/non-DES operation, demux enable, and DDR clock phase without SPI overhead.
CAL, CalDly, PDI, PDQ	Calibration & power control	Enable on-command calibration, delay adjustment, and independent I/Q channel power-down to reduce dynamic power.

Key Features

Feature	Design Value
AutoSync multi-chip synchronization	Enables deterministic phase alignment across multiple ADC12D500RFIUT/NOPB units without external timing controllers or manual skew tuning.
Programmable aperture delay (coarse/fine)	Allows sub-picosecond timing correction between I/Q channels or across interleaved slices to maximize SFDR and minimize IMD3.
Time stamp trigger capture	Records precise timestamp of external asynchronous events (e.g., radar pulse start) into LVDS data stream for synchronized system-level analysis.
On-command and power-on calibration	Compensates for process, voltage, and temperature drift in real time; reduces need for factory-trimmed components or post-production recalibration.
DESCLKIQ high-bandwidth sampling mode	Extends usable input bandwidth beyond 7th Nyquist zone by enabling dual-edge sampling with IQ multiplexing for >1 GHz effective sample rate applications.

Applications

4G LTE Basestation Receive Path	Radar Digital Beamforming
Use Scenario: Digitizing wideband 3.5 GHz TDD-LTE signals with 100 MHz instantaneous bandwidth in macrocell remote radio heads. IC Role / Device Role / Timing Role: Primary RF sampling ADC capturing I/Q baseband or direct RF with DESCLKIQ mode to avoid image folding and preserve EVM. Use Value: Eliminates analog IF stage and associated filters/mixers; 72 dBc SFDR maintains ACLR compliance under multi-carrier loading.	Use Scenario: High-resolution pulse-Doppler radar receiver digitizing 1–4 GHz chirped waveforms for real-time beam synthesis and clutter suppression. IC Role / Device Role / Timing Role: Dual-channel synchronized digitizer acquiring orthogonal I/Q samples at 500 MSPS per channel with AutoSync-enabled timing coherence across antenna array elements. Use Value: Enables coherent integration across 64+ channels; -150.5 dBm/Hz noise floor supports low-RCS target detection.
Wideband Microwave Backhaul	Electronic Warfare SIGINT Receiver
Use Scenario: 71–76 GHz E-band point-to-point link receiver digitizing 2 GHz IF signals after harmonic mixing, requiring high linearity and low jitter sensitivity. IC Role / Device Role / Timing Role: Interleaved 1.0 GSPS ADC operating in DES mode with calibrated aperture delay to suppress interleave spurs below -70 dBc. Use Value: Achieves 50.7 dB NPR over 2 GHz bandwidth, supporting 1024-QAM modulation with <1% EVM at full data rate.	Use Scenario: Wideband spectrum monitoring system scanning 0.1–6 GHz with 1 GHz instantaneous bandwidth to detect and classify pulsed, frequency-hopping, or LPI emitters. IC Role / Device Role / Timing Role: Front-end RF sampler feeding FPGA-based FFT and pulse descriptor word (PDW) extraction; uses test pattern mode and time stamp for debug and trigger correlation. Use Value: 2.7 GHz input bandwidth captures full threat spectrum in single acquisition; -63 dBc IMD3 at -13 dBFS prevents false emitter identification.

4G LTE Basestation Receive Path

Radar Digital Beamforming

Use Scenario: Digitizing wideband 3.5 GHz TDD-LTE signals with 100 MHz instantaneous bandwidth in macrocell remote radio heads.

IC Role / Device Role / Timing Role: Primary RF sampling ADC capturing I/Q baseband or direct RF with DESCLKIQ mode to avoid image folding and preserve EVM.

Use Value: Eliminates analog IF stage and associated filters/mixers; 72 dBc SFDR maintains ACLR compliance under multi-carrier loading.

Use Scenario: High-resolution pulse-Doppler radar receiver digitizing 1–4 GHz chirped waveforms for real-time beam synthesis and clutter suppression.

IC Role / Device Role / Timing Role: Dual-channel synchronized digitizer acquiring orthogonal I/Q samples at 500 MSPS per channel with AutoSync-enabled timing coherence across antenna array elements.

Use Value: Enables coherent integration across 64+ channels; -150.5 dBm/Hz noise floor supports low-RCS target detection.

Wideband Microwave Backhaul

Electronic Warfare SIGINT Receiver

Use Scenario: 71–76 GHz E-band point-to-point link receiver digitizing 2 GHz IF signals after harmonic mixing, requiring high linearity and low jitter sensitivity.

IC Role / Device Role / Timing Role: Interleaved 1.0 GSPS ADC operating in DES mode with calibrated aperture delay to suppress interleave spurs below -70 dBc.

Use Value: Achieves 50.7 dB NPR over 2 GHz bandwidth, supporting 1024-QAM modulation with <1% EVM at full data rate.

Use Scenario: Wideband spectrum monitoring system scanning 0.1–6 GHz with 1 GHz instantaneous bandwidth to detect and classify pulsed, frequency-hopping, or LPI emitters.

IC Role / Device Role / Timing Role: Front-end RF sampler feeding FPGA-based FFT and pulse descriptor word (PDW) extraction; uses test pattern mode and time stamp for debug and trigger correlation.

Use Value: 2.7 GHz input bandwidth captures full threat spectrum in single acquisition; -63 dBc IMD3 at -13 dBFS prevents false emitter identification.

Equivalent & Alternatives

The following parts are listed as comparable options for similar RF sampling ADC applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ADC12D800RFIUT/NOPB	Higher 1.6 GSPS interleaved / 800 MSPS dual-channel rate; identical pinout, package, and register map; 0.5 W higher power at full speed.	Required for >1 GHz instantaneous bandwidth applications (e.g., Ka-band satellite comms); same PCB layout but needs higher-current power delivery.	Select ADC12D800RFIUT/NOPB when sampling rate >1.0 GSPS is mandatory; otherwise ADC12D500RFIUT/NOPB offers optimal power/performance trade-off.
AD9680BCPZ-500	14-bit, 500 MSPS dual-channel ADC; JESD204B serial interface instead of LVDS; lower power (1.5 W); no AutoSync or DES mode.	Better ENOB (11.3 bits) for high-SNR narrowband apps; lacks RF sampling bandwidth (>2 GHz) and deterministic multi-chip sync for wideband phased arrays.	Choose AD9680BCPZ-500 for precision instrumentation or IF-sampling where JESD204B simplifies routing; not suitable for direct RF sampling above 1 GHz.

Compared with ADC12D800RFIUT/NOPB, ADC12D500RFIUT/NOPB reduces power by 0.48 W while retaining identical pin compatibility and RF performance up to 2.7 GHz; versus AD9680BCPZ-500, it trades resolution for RF bandwidth and deterministic synchronization-critical for radar and wideband wireless infrastructure.

Availability

ADC12D500RFIUT/NOPB is available at Aetrix Electronics and suitable for 4G basestation development, radar prototyping, microwave backhaul design, and electronic warfare receiver programs requiring stable component supply and long-term industrial temperature support (-40°C to +85°C).

Supply support for ADC12D500RFIUT/NOPB 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 ADC12D500RFIUT/NOPB belongs to TI's GSPS RF-sampling ADC family, engineered for direct digitization of RF signals in wireless infrastructure, defense radar, and test equipment-replacing traditional heterodyne architectures with simplified, wideband signal chains.

FAQ

What is the maximum RF input frequency supported by ADC12D500RFIUT/NOPB?

The ADC12D500RFIUT/NOPB supports analog input frequencies up to and above 2.7 GHz, enabling direct sampling in the 7th Nyquist zone and beyond. This capability eliminates the need for analog downconversion stages in applications such as 4G/LTE basestations and X-band radar receivers. Performance metrics including IMD3 and SNR are specified at 2.7 GHz input, confirming validated operation at this frequency.

Does ADC12D500RFIUT/NOPB support multi-chip synchronization, and how is it implemented?

Yes, ADC12D500RFIUT/NOPB implements the AutoSync feature for deterministic multi-chip synchronization. It uses dedicated AutoSync pins (RCOut1+/−, RCOut2+/−) and internal logic to align sampling clocks and data output phases across multiple devices without external timing controllers. The feature is verified in the datasheet with timing diagrams and system-level examples, ensuring phase coherence for digital beamforming and MIMO applications.

What package type and thermal requirements apply to ADC12D500RFIUT/NOPB?

ADC12D500RFIUT/NOPB uses a 292-ball thermally enhanced HSBGA package (TI package code NXA0292A). Its center ground balls must be soldered to a solid PCB ground plane to meet thermal resistance specifications and maintain rated RF performance. Thermal management guidance-including power plane layout, bypass capacitor placement, and thermal vias-is detailed in Section 6.4.5 of the SNAS502E datasheet.

Can ADC12D500RFIUT/NOPB operate in both interleaved and dual-channel modes, and how is mode selection performed?

Yes, ADC12D500RFIUT/NOPB supports both 1.0 GSPS interleaved mode and 500 MSPS dual-channel (I/Q) mode. Mode selection is controlled by hardware pins: NDM (Non-Demultiplexed Mode) and DES (Dual Edge Sampling) set basic configuration, while extended control via SPI registers (e.g., DEQ bit) enables advanced I/Q routing. Pin states are latched at power-up, allowing configuration without firmware initialization.

What LVDS output configurations does ADC12D500RFIUT/NOPB support, and how are they selected?

ADC12D500RFIUT/NOPB supports 1:1 non-demuxed and 1:2 demuxed LVDS output formats, with selectable SDR or DDR clocking via the DDRPh pin. Output common-mode voltage is programmable using the VBG pin, and differential swing is adjustable through register settings. These configurations are defined in Tables 6-4 and 6-5 of the datasheet and can be set at power-up via pin strapping or dynamically via SPI.

ADC12D500RFIUT/NOPB Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: -

Package/Case:: 292-BBGA

Packaging:: Tray

Product Status:: Active

Number of Bits:: 12

Sampling Rate (Per Second):: 1G

Number of Inputs:: 2

Input Type:: Differential

Data Interface:: LVDS - Parallel

Configuration:: MUX-S/H-ADC

Ratio - S/H:ADC:: 1:1

Number of A/D Converters:: 2

Architecture:: Folding Interpolating

Reference Type:: Internal

Voltage - Supply, Analog:: 1.8V ~ 2V

Voltage - Supply, Digital:: 1.8V ~ 2V

Features:: Simultaneous Sampling

Operating Temperature:: -40°C ~ 85°C

Supplier Device Package:: 292-BGA (27x27)

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

ADC12D500RFIUT/NOPB FAQ

1.How can I place an order for ADC12D500RFIUT/NOPB through Aetrix?

Please submit a Request for Quotation (RFQ) for ADC12D500RFIUT/NOPB 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 ADC12D500RFIUT/NOPB reliable?

The price and inventory of ADC12D500RFIUT/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADC12D500RFIUT/NOPB is usually 5 days.

3.What payment methods are accepted for ADC12D500RFIUT/NOPB?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADC12D500RFIUT/NOPB transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ADC12D500RFIUT/NOPB?

ADC12D500RFIUT/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ADC12D500RFIUT/NOPB 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 ADC12D500RFIUT/NOPB?

For technical support, including ADC12D500RFIUT/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADC12D500RFIUT/NOPB requirements.

6.How does Aetrix verify that ADC12D500RFIUT/NOPB is sourced from the original manufacturer or authorized distributors?

All ADC12D500RFIUT/NOPB 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 ADC12D500RFIUT/NOPB meets industry standards.

7.What is the process for return or replacement of ADC12D500RFIUT/NOPB?

All ADC12D500RFIUT/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with ADC12D500RFIUT/NOPB, 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 ADC12D500RFIUT/NOPB part is unused and in its original packaging.

Return procedure for ADC12D500RFIUT/NOPB:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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