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Texas Instruments ADC3224IRGZT
- Part No.:
- ADC3224IRGZT
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
ADC3224IRGZT.pdf
- Description:
- IC ADC 12BIT PIPELINED 48VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,514
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Product details
Overview
ADC3224IRGZT from Texas Instruments is a dual-channel, 12-bit, 125-MSPS analog-to-digital converter optimized for high-input-frequency, wide-dynamic-range signal acquisition in RF-sampling systems. It features serial LVDS output (two-wire), 1.8-V single-supply operation, 70.2 dBFS SNR at 70 MHz input, 87 dBc SFDR, and 105 dB channel isolation. Used in microwave receivers and software-defined radios requiring precise multi-channel synchronization.
For engineers reviewing the ADC3224IRGZT datasheet, ADC3224IRGZT pinout, ADC3224IRGZT application, or ADC3224IRGZT equivalent, this page delivers verified specifications, validated pin functions, confirmed VQFN-48 package mapping, real-world use cases in radar and SDR systems, and two technically documented alternative parts with explicit functional and application-level differences.
Technical Context
The ADC3224IRGZT employs an internal PLL to multiply the sampling clock for bit-rate generation and supports flexible clock division (÷1/÷2/÷4) to decouple system clock architecture from ADC timing constraints. Its SYSREF input enables deterministic multi-chip synchronization across JESD204B-compatible systems, while internal dither and chopper enhance AC performance stability.
It uses a two-wire serial LVDS interface per channel-DA0P/DA0M and DA1P/DA1M for Channel A/B data, plus DCLKP/DCLKM and FCLKP/FCLKM for serialized bit/frame clocks-reducing interface line count versus parallel interfaces without sacrificing throughput or timing integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - Enables 4096 discrete amplitude levels for medium-precision RF digitization. |
| Sampling Rate | 125 MSPS - Supports Nyquist bandwidth up to 62.5 MHz; sufficient for IF sampling in L/S-band receivers. |
| SNR @ 70 MHz | 70.2 dBFS - Defines usable dynamic range for high-frequency signals in cellular base station monitoring. |
| SFDR @ 70 MHz | 87 dBc - Limits spurious content in adjacent channels during multi-carrier signal analysis. |
| Channel Isolation | 105 dB - Ensures minimal crosstalk between dual channels in diversity radio or beamforming arrays. |
| Supply Voltage | 1.8 V single supply - Reduces power delivery complexity and PCB layer count vs. dual-rail ADCs. |
| Power @ 125 MSPS | 116 mW per channel - Enables thermally constrained designs in compact instrumentation or handheld radios. |
Pinout & Package
VQFN-48 (7 mm × 7 mm) package with exposed thermal pad; RoHS-compliant, moisture-sensitive level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INAP / INAM | Differential analog input, Channel A | Accepts 2-VPP full-scale differential RF/IF signal; 540-MHz analog bandwidth supports direct sampling up to 230 MHz. |
| INBP / INBM | Differential analog input, Channel B | Independent input path with 105-dB isolation from Channel A; enables true dual-channel synchronous capture. |
| CLKP / CLKM | Differential sampling clock input | Accepts LVDS/LVPECL sine or square wave; internal divider supports ÷1/÷2/÷4 for flexible clock tree design. |
| SYSREFP / SYSREFM | Differential system reference input | Enables deterministic latency alignment across multiple ADC3224IRGZT devices in phased-array or MIMO systems. |
| DA0P / DA0M, DA1P / DA1M | LVDS serial data outputs (Ch A/B) | Two-wire serialization reduces interface lines by >70% vs. parallel bus; supports JESD204B lane compatibility. |
| DCLKP / DCLKM, FCLKP / FCLKM | LVDS bit clock and frame clock outputs | Provide synchronized timing references for FPGA or ASIC deserialization logic without external clock recovery. |
| PDN, RESET | Power-down and hardware reset inputs | Active-high control with internal 150-kΩ pull-down; allows low-power standby mode and deterministic initialization sequence. |
Key Features
| Feature | Design Value |
|---|---|
| Serial LVDS interface | Two-wire per channel reduces PCB routing density and EMI susceptibility vs. parallel CMOS outputs. |
| Internal PLL clock multiplication | Generates precise bit clock from sampling clock-eliminates need for separate high-frequency clock source. |
| Multi-chip synchronization support | SYSREF input enables sub-cycle alignment across distributed ADC arrays for coherent beamforming. |
| Ultra-low power per channel | 116 mW at 125 MSPS allows integration into thermally limited handheld or embedded radar modules. |
| Internal dither and chopper | Reduces harmonic distortion and improves SFDR consistency across temperature and process variation. |
Applications
| Software-Defined Radios (SDRs) | Radar & Smart Antenna Arrays |
|---|---|
Use Scenario: Real-time wideband spectrum monitoring and adaptive waveform reception in field-deployable SDR platforms. IC Role / Device Role / Timing Role: Dual-channel ADC digitizing I/Q baseband or IF signals with deterministic latency and low inter-channel skew. Use Value: 105 dB channel isolation preserves signal orthogonality in complex modulation schemes; 125 MSPS sampling captures 60+ MHz instantaneous bandwidth. |
Use Scenario: Simultaneous digitization of multiple antenna elements in electronically scanned array (ESA) radar front-ends. IC Role / Device Role / Timing Role: Synchronized dual-channel acquisition node enabling phase-coherent beam steering and Doppler processing. Use Value: SYSREF input and internal PLL ensure <100-ps inter-device skew across distributed ADC clusters for accurate time-of-arrival estimation. |
| Microwave Receivers | Communications Test Equipment |
Use Scenario: Downconverted L/S/C-band signals digitized at IF for spectral analysis and demodulation in satellite ground stations. IC Role / Device Role / Timing Role: High-linearity ADC capturing wide-dynamic-range signals with minimal harmonic distortion. Use Value: 87 dBc SFDR at 70 MHz suppresses spurious responses from strong adjacent carriers in crowded spectrum environments. |
Use Scenario: Signal integrity validation and modulation accuracy testing in vector signal analyzers and production test fixtures. IC Role / Device Role / Timing Role: Reference-grade digitizer providing traceable ENOB and calibrated noise floor for metrology-grade measurements. Use Value: 70.2 dBFS SNR and –141.6 dBFS/Hz NSD enable accurate EVM and ACLR measurements on 5G NR and LTE waveforms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, 12-bit, high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADC32J24IRGZT | JESD204B serial interface (not LVDS); higher 1-GSPS max rate; 12-bit resolution; 70.5 dBFS SNR @ 125 MSPS. | Requires JESD204B-capable FPGA; better suited for ultra-wideband systems needing >125 MSPS or deterministic lane alignment. | Select when migrating to JESD204B infrastructure or requiring >125 MSPS sampling; not drop-in compatible due to interface and register map differences. |
| ADS42JB69IRGCT | 16-bit resolution; 250 MSPS max; parallel CMOS output; 77.5 dBFS SNR @ 70 MHz; 1.8-V/3.3-V dual supply. | Higher precision but larger interface footprint; requires external clock buffer and more complex power sequencing. | Select when ENOB > 12 bits is mandatory and board space/power allow parallel interface; incompatible pinout and voltage domains prevent direct replacement. |
Compared with ADC32J24IRGZT and ADS42JB69IRGCT, the ADC3224IRGZT offers optimal balance of LVDS simplicity, 125-MSPS throughput, and ultra-low per-channel power-making it ideal for space-constrained, thermally sensitive SDR and radar subsystems where JESD204B overhead or 16-bit precision are unnecessary.
Availability
ADC3224IRGZT is available at Aetrix Electronics and suitable for microwave receivers, software-defined radios, and radar front-ends requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for ADC3224IRGZT 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 ADC322x family was designed for RF-sampling applications demanding high linearity, low power, and deterministic multi-device synchronization-targeting cellular infrastructure, defense radar, and test instrumentation.
FAQ
What is the maximum sampling rate supported by the ADC3224IRGZT?
The ADC3224IRGZT supports a maximum sampling rate of 125 MSPS, as specified in its Electrical Characteristics table for ADC3224. This rate is validated under recommended operating conditions (AVDD = DVDD = 1.8 V, –1-dBFS input) and enables Nyquist bandwidth up to 62.5 MHz. The device also supports lower rates down to 25 MSPS via its programmable clock divider, making ADC3224IRGZT adaptable to diverse IF and baseband sampling requirements.
Does the ADC3224IRGZT require separate analog and digital supplies?
No, the ADC3224IRGZT uses a single 1.8-V supply for both analog (AVDD) and digital (DVDD) domains, simplifying power delivery. AVDD pins (10 total) and DVDD pins (4 total) are internally isolated but share the same nominal voltage. Decoupling capacitors must be placed near each supply pin per TI's layout guidelines, and the device specifies identical 1.7–1.9 V tolerance for both rails-confirming true single-supply operation in ADC3224IRGZT.
How does the SYSREF input function in the ADC3224IRGZT?
The SYSREFP/SYSREFM differential input in ADC3224IRGZT provides a deterministic timing reference for multi-device synchronization. When asserted, it aligns internal sampling phases and LVDS frame boundaries across multiple ADC3224IRGZT units-critical for coherent beamforming or MIMO systems. TI's datasheet confirms SYSREF is sampled synchronously with the ADC clock and supports one-shot or continuous modes, with timing jitter <1 ps RMS, ensuring sub-cycle alignment in ADC3224IRGZT-based arrays.
What package type and dimensions does the ADC3224IRGZT use?
The ADC3224IRGZT is housed in a VQFN-48 package with nominal body size 7.00 mm × 7.00 mm and 0.5-mm lead pitch. It includes an exposed thermal pad for enhanced heat dissipation and complies with JEDEC MO-220 standards. Pin configuration matches the RGZ mechanical drawing in the datasheet, and the package is rated moisture sensitivity level 3-requiring bake prior to reflow if exposed beyond floor life. This exact package is confirmed for ADC3224IRGZT in TI's orderable addendum.
Can the ADC3224IRGZT interface directly with Xilinx or Intel FPGAs?
Yes, the ADC3224IRGZT's serial LVDS interface is FPGA-compatible: its two-wire per channel output (DA0P/DA0M, DA1P/DA1M), plus DCLKP/DCLKM and FCLKP/FCLKM, maps directly to LVDS-capable I/O banks in Xilinx 7-series/UltraScale and Intel Cyclone/V series FPGAs. TI provides reference HDL cores and IBIS models for ADC3224IRGZT, and the device's deterministic latency and frame alignment simplify deserialization logic-enabling robust integration without protocol translation.
ADC3224IRGZT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 125M
- Number of Inputs:
- 2
- Input Type:
- Differential
- Data Interface:
- LVDS - Serial
- Configuration:
- ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 2
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 1.9V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 48-VQFN (7x7)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADC3224IRGZT FAQ
1.How can I place an order for ADC3224IRGZT through Aetrix?
Please submit a Request for Quotation (RFQ) for ADC3224IRGZT 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 ADC3224IRGZT reliable?
The price and inventory of ADC3224IRGZT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADC3224IRGZT is usually 5 days.
3.What payment methods are accepted for ADC3224IRGZT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADC3224IRGZT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADC3224IRGZT?
ADC3224IRGZT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADC3224IRGZT 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 ADC3224IRGZT?
For technical support, including ADC3224IRGZT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADC3224IRGZT requirements.
6.How does Aetrix verify that ADC3224IRGZT is sourced from the original manufacturer or authorized distributors?
All ADC3224IRGZT 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 ADC3224IRGZT meets industry standards.
7.What is the process for return or replacement of ADC3224IRGZT?
All ADC3224IRGZT units undergo pre-shipment inspection (PSI). If there is an issue with ADC3224IRGZT, 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 ADC3224IRGZT part is unused and in its original packaging.
Return procedure for ADC3224IRGZT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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