Texas Instruments ADS62P24IRGCT

Overview

ADS62P24IRGCT from Texas Instruments is a dual-channel, 12-bit analog-to-digital converter with 105 MSPS maximum sampling rate, DDR LVDS or parallel CMOS outputs, and integrated digital processing block (offset correction, fine gain in 0.05 dB steps, decimation by 2/4/8, 24-tap programmable filters). It operates from –40°C to 85°C and targets high-performance signal acquisition in software-defined radio and power amplifier linearization.

For engineers reviewing the ADS62P24IRGCT datasheet, ADS62P24IRGCT pinout, ADS62P24IRGCT application, or ADS62P24IRGCT equivalent, this page delivers verified technical context, exact package mapping (64-QFN), confirmed pin functions, real-world application constraints, and two validated alternative parts for design flexibility and supply continuity.

Technical Context

The ADS62P24IRGCT implements a dual-sampling architecture with independent analog front-ends per channel, internal sample-and-hold, and low-jitter clock buffer enabling 71.3 dBFS SINAD at 10 MHz input and 69.5 dBFS at 190 MHz with 3.5 dB coarse gain. Its digital processing block is configurable via serial interface or parallel control pins (CTRL1–CTRL3, SEN, SCLK) and supports bypass mode by default.

It supports multiple clock inputs (LVPECL, LVDS, LVCMOS, sine) down to 400 mV_PP, includes a clock duty cycle stabilizer, and offers flexible reference options-internal 1 V/2 V reference or external reference via VCM pin-with no external decoupling required. Output interface selection (CMOS or DDR LVDS) is determined at power-up via analog voltage levels on SEN/SCLK pins.

Key Specifications

Pinout & Package

ADS62P24IRGCT is housed in a 64-pin QFN package (RGC designation) with 0.5 mm pitch and exposed thermal pad. The package supports reflow soldering per JEDEC J-STD-020 and requires controlled impedance routing for LVDS pairs and proper grounding of the thermal pad.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-channel, 12-bit ADC applications.

Compared with ADS62P24IRGCT, ADS62P23IRGCT trades speed for lower power and cost, while ADS62P44IRGCT upgrades resolution within the same pinout and sampling rate-enabling drop-in migration only if 1.8 V DRVDD and higher precision are acceptable.

Availability

ADS62P24IRGCT is available at Aetrix Electronics and suitable for software-defined radio, power amplifier linearization, and test instrumentation requiring stable component supply, long-term industrial temperature support (–40°C to 85°C), and qualified QFN packaging.

Supply support for ADS62P24IRGCT 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, communications, and automotive markets.

The ADS62P2X family was designed for high-speed, dual-channel digitization in wireless infrastructure and instrumentation-emphasizing low power, flexible interface options, and integrated digital signal conditioning to reduce FPGA resource usage.

FAQ

What is the maximum sampling rate supported by the ADS62P24IRGCT?

The ADS62P24IRGCT supports a maximum sampling rate of 105 MSPS, as specified in its recommended operating conditions and electrical characteristics tables. This rate is validated across the full industrial temperature range (–40°C to 85°C) with AVDD = 3.3 V and appropriate clock amplitude (e.g., ≥0.4 V_PP for sine input). Exceeding 105 MSPS may result in degraded AC performance including reduced SFDR and increased jitter-induced noise floor. The ADS62P24IRGCT datasheet SLAS576C explicitly lists FS = 105 MSPS as the rated maximum for this variant.

Does the ADS62P24IRGCT require external reference components?

No, the ADS62P24IRGCT does not require external reference components when using its internal reference. It integrates a precision 1 V/2 V internal reference with VREFT = 2 V and VREFB = 1 V, eliminating the need for external decoupling capacitors or reference buffers. The device can also operate with an external reference applied to the VCM pin (1.45–1.55 V), but that configuration still avoids dedicated reference ICs or trimming networks. All reference-related pins (VREFP/VREFN) are omitted from the ADS62P24IRGCT pinout per the datasheet.

How is output interface mode (LVDS vs. CMOS) selected on the ADS62P24IRGCT?

Output interface mode on the ADS62P24IRGCT is selected at power-up via analog voltage levels on the SEN and SCLK pins, as defined in Tables 4 and 5 of the datasheet. For example, applying (5/8)AVDD to SEN and AVDD to SCLK configures straight binary format with parallel CMOS output. No register write or serial programming is needed for basic mode selection-this is a hardware-configured function. The mode remains active until reset or power cycle, and the digital processing block defaults to bypass unless enabled via serial interface.

What is the channel-to-channel aperture delay variation for the ADS62P24IRGCT?

The ADS62P24IRGCT specifies a channel-to-channel aperture delay variation of ±80 ps across temperature and process corners, as documented in the Timing Characteristics table (page 7 of SLAS576C). This tight matching enables coherent dual-channel operation essential for I/Q sampling, beamforming, and time-interleaved architectures. The value is measured under standard conditions (25°C, AVDD = DRVDD = 3.3 V, 105 MSPS, sine clock) and holds across the full industrial temperature range (–40°C to 85°C).

Can the ADS62P24IRGCT operate with a 1.8 V DRVDD supply?

Yes, the ADS62P24IRGCT supports DRVDD = 1.8 V for CMOS output operation, as confirmed in the Recommended Operating Conditions table (page 4 of SLAS576C). At 1.8 V, CMOS output drive strength is programmable for loads ≤5 pF or >5 pF, and timing parameters (e.g., t_START, t_DV) are characterized accordingly. However, LVDS output mode requires DRVDD = 3.0–3.6 V per specification-1.8 V DRVDD is invalid for LVDS operation. The device's pin compatibility with the 14-bit ADS62P4X family assumes 1.8 V DRVDD for CMOS use cases.