Texas Instruments ADS62P22IRGCT

Overview

ADS62P22IRGCT from Texas Instruments is a dual-channel, 12-bit analog-to-digital converter (ADC) with 65 MSPS maximum sampling rate, DDR LVDS or parallel CMOS outputs, and integrated digital processing block including offset correction, fine gain adjustment (0.05 dB steps), decimation (×2/4/8), and programmable 24-tap filters. It operates from –40°C to 85°C and targets high-fidelity signal acquisition in software-defined radio baseband receivers.

For engineers reviewing the ADS62P22IRGCT datasheet, ADS62P22IRGCT pinout, ADS62P22IRGCT application, or ADS62P22IRGCT equivalent, this page delivers verified specifications, package-validated pin functions, real-world use cases in wireless infrastructure, and two confirmed alternative parts with documented functional and application-level differences.

Technical Context

The ADS62P22IRGCT implements a pipelined ADC architecture with internal sample-and-hold and low-jitter clock buffer, enabling 71.5 dBFS SINAD at 10 MHz input and 69.2 dBFS at 190 MHz with 3.5 dB coarse gain. Its digital processing block supports configurable decimation and filter coefficients, while default operation bypasses all digital functions for minimal latency (10 clock cycles).

It supports multiple clock inputs (LVPECL, LVDS, LVCMOS, sine) down to 400 mV_PP, includes a clock duty cycle stabilizer, and offers dual output interface modes-DDR LVDS (with 225–350 mV differential swing) and parallel CMOS (1.8 V to 3.3 V DRVDD)-with independent channel A/B output enable via CTRL pins.

Key Specifications

Pinout & Package

ADS62P22IRGCT is housed in a thermally enhanced 64-pin QFN package (9 mm × 9 mm, RGC designation) with exposed thermal pad. Pin functions are validated per TI SLAS576C Rev. October 2011.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ADS62P22IRGCT, ADS62P23IRGCT trades 80 MSPS speed and slightly better SFDR at 190 MHz for +80 mW power, while ADS62P42IRGCT provides +2-bit resolution and +3 dB SINAD at 10 MHz but increases power by 110 mW and cost significantly - making ADS62P22IRGCT optimal for cost- and power-sensitive SDR and WiMAX designs.

Availability

ADS62P22IRGCT is available at Aetrix Electronics and suitable for software-defined radio baseband receivers, power amplifier linearization feedback loops, and portable test instrumentation requiring stable component supply, long-term industrial temperature support (–40°C to 85°C), and QFN-64 packaging compatibility.

Supply support for ADS62P22IRGCT 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 digital processing, and seamless migration across resolution and speed grades.

FAQ

What is the maximum sampling rate supported by the ADS62P22IRGCT?

The ADS62P22IRGCT supports a maximum sampling rate of 65 MSPS, as specified in its datasheet (SLAS576C). This rate is fixed for the ADS62P22 variant and cannot be increased via configuration. At this rate, it achieves 71.5 dBFS SINAD with 10 MHz input and maintains 69.2 dBFS at 190 MHz using 3.5 dB coarse gain. The ADS62P22IRGCT is part of the pin-compatible ADS62P2X family, where higher-speed variants (e.g., ADS62P23 at 80 MSPS) share the same 64-QFN package but require different ordering codes.

Does the ADS62P22IRGCT support both LVDS and CMOS output interfaces?

Yes, the ADS62P22IRGCT supports both DDR LVDS and parallel CMOS output interfaces. Interface selection is controlled via the SEN pin voltage level during power-up (per Table 5 in SLAS576C): AVDD or 0 V selects 2's complement CMOS or DDR LVDS respectively, while (3/8)AVDD and (5/8)AVDD configure straight-binary format with corresponding interface. Both modes operate simultaneously - e.g., Channel A on CMOS and Channel B on LVDS is not supported; the entire device uses one selected interface mode.

What digital processing functions are available in the ADS62P22IRGCT?

The ADS62P22IRGCT includes an integrated digital processing block featuring offset correction, fine gain adjustment in 0.05 dB steps, decimation by factors of 2, 4, or 8, and built-in or custom-programmable 24-tap low-/high-/band-pass FIR filters. These functions are disabled by default and enabled via serial register programming. When active, they reduce FPGA/DSP computational load - for example, decimation ×4 lowers output data rate to 16.25 MSPS, easing downstream interface timing constraints in the ADS62P22IRGCT-based system.

What is the power consumption of the ADS62P22IRGCT at its rated sampling rate?

At its maximum rated sampling rate of 65 MSPS, the ADS62P22IRGCT consumes 515 mW of analog power (AVDD = 3.3 V) and up to 32 mW of digital power (DRVDD = 1.8 V, 10 pF load). Total typical power is 547 mW. Power scales with sampling rate and input frequency; for example, at 40 MSPS, analog power drops to ~400 mW. The device also supports global powerdown mode, reducing total power to 50–75 mW for standby operation - a key feature for burst-mode wireless receivers using the ADS62P22IRGCT.

Is the ADS62P22IRGCT pin-compatible with other devices in the ADS62P2X family?

Yes, the ADS62P22IRGCT is fully pin-compatible with ADS62P23IRGCT, ADS62P24IRGCT, and ADS62P25IRGCT - all use the same 64-pin QFN (RGC) package with identical pinout and footprint. It is also pin-compatible with the 14-bit ADS62P4X family (e.g., ADS62P42IRGCT), enabling hardware reuse across resolution and speed grades. This compatibility allows designers to prototype with ADS62P22IRGCT and upgrade to higher-speed or higher-resolution variants without PCB layout changes - a core design advantage of the ADS62P22IRGCT platform.