Texas Instruments ADS62P48IRGCT

Overview

ADS62P48IRGCT from Texas Instruments is a dual-channel, 14-bit, 210-MSPS analog-to-digital converter with DDR LVDS and parallel CMOS digital outputs. It features internal/external reference support, programmable gain up to 6 dB for SFDR optimization, DC offset correction, and operates over –40°C to +85°C. It targets wideband communications infrastructure requiring high dynamic performance in compact form factor.

For engineers reviewing the ADS62P48IRGCT datasheet, ADS62P48IRGCT pinout, ADS62P48IRGCT application, or ADS62P48IRGCT equivalent, this page delivers verified specifications, validated pin functions, confirmed industrial-temperature operation, and real-world timing behavior under 210-MSPS LVDS and CMOS output modes - critical for RF sampling, multi-carrier baseband, and software-defined radio design.

Technical Context

The ADS62P48IRGCT implements two independent 14-bit SAR-based ADC cores with sample-and-hold front-ends, each driven by a shared differential clock input (CLKP/CLKM). Its digital output path supports either DDR LVDS (with 100-Ω differential termination) or parallel CMOS (14-bit per channel), selectable via hardware pins or serial register configuration.

It integrates a DC offset correction loop per channel, programmable gain control (0 dB or 6 dB), and flexible reference architecture - supporting internal 1.5-V reference or external reference with 1.5 V ± 50 mV common-mode compliance. Power sequencing requires AVDD (3.15–3.6 V) to lead DRVDD (1.7–1.9 V) during power-up.

Key Specifications

Pinout & Package

ADS62P48IRGCT uses a 64-pin QFN package (RGC), 9 mm × 9 mm, with exposed thermal pad. Pin functions are validated per TI SLAS635B Rev. January 2011.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ADS62P48IRGCT, ADS62P49IRGCT offers higher speed and SFDR at increased power and cost, while ADS42JB69IRGCT trades parallel interface simplicity for JESD204B scalability and resolution - making ADS62P48IRGCT optimal for cost-constrained, space-limited 210-MSPS dual-channel systems needing hardware configurability.

Availability

ADS62P48IRGCT is available at Aetrix Electronics and suitable for wireless infrastructure, radar signal processing, and test & measurement equipment requiring stable component supply, long-term industrial temperature support, and validated high-speed ADC performance.

Supply support for ADS62P48IRGCT 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 ADS62Pxx family was designed for wideband communications infrastructure, delivering dual-channel, high-SFDR ADCs in compact QFN packages to replace discrete sampling solutions in base station and defense RF front-ends.

FAQ

What is the maximum sampling rate supported by ADS62P48IRGCT?

The ADS62P48IRGCT supports a maximum sampling rate of 210 MSPS. This limit applies specifically to both DDR LVDS and parallel CMOS output modes per TI SLAS635B. Exceeding 210 MSPS may cause timing violations or data corruption, especially in CMOS mode where TI specifies 210 MSPS as the absolute maximum recommended rate.

Does ADS62P48IRGCT support external reference operation?

Yes, ADS62P48IRGCT supports external reference operation. When configured via SCLK pin voltage (e.g., (3/8)AVDD or (5/8)AVDD), it disables the internal 1.5-V reference and accepts an external reference applied to the VREF pin (not explicitly labeled but functionally mapped per datasheet Figure 1). The external reference must be stable, low-noise, and comply with 1.5 V ± 50 mV common-mode specification.

What is the ADC latency of ADS62P48IRGCT in DDR LVDS mode?

The ADS62P48IRGCT exhibits a fixed ADC latency of 22 clock cycles in DDR LVDS mode, as specified in TI SLAS635B timing tables. This latency is deterministic and independent of input signal frequency or gain setting, enabling precise time-of-flight calculations in radar and synchronized multi-ADC systems.

Can ADS62P48IRGCT operate with a 1.5-V input clock amplitude?

Yes, ADS62P48IRGCT supports differential input clock amplitudes from 0.2 VPP to 1.5 VPP in sine-wave or LVDS mode. A 1.5-VPP clock falls within the specified maximum and ensures robust sampling margin, especially under process/voltage/temperature variation - though lower amplitudes (e.g., 400 mVPP) are also validated for low-jitter clock sources.

What package type and thermal characteristics does ADS62P48IRGCT use?

ADS62P48IRGCT uses a 64-pin QFN package (RGC, 9 mm × 9 mm) with exposed thermal pad. Its junction-to-board thermal resistance (qJB) is 4.2 °C/W, and junction-to-ambient (qJA) is 23.0 °C/W on a JEDEC-standard high-K board - requiring a minimum 4-layer PCB with thermal vias under the pad for reliable operation at full 1.05-W power dissipation.