Texas Instruments TLV2553EVM-PDK

Overview

TLV2553EVM-PDK from Texas Instruments is an evaluation module designed to accelerate characterization and validation of the TLV2553 12-bit, 200-kSPS SAR ADC. It integrates the TLV2553 device in a TSSOP-20 package, precision op-amp input buffers (OPA4322), onboard 4.096-V reference (REF3240), low-noise 5-V LDO (TPS7A4901), and bidirectional 5-V/3.3-V level translation (TXB0106) for USB-connected performance analysis.

For engineers reviewing the TLV2553EVM-PDK datasheet, TLV2553EVM-PDK setup, TLV2553EVM-PDK GUI software, or TLV2553EVM-PDK hardware interface, this page delivers verified functional context, USB-powered operation details, multichannel acquisition capabilities, FFT-based dynamic metrics (SNR, THD, ENOB), and LabVIEW-based Windows-compatible tooling - all confirmed from TI's official SBAU247A user's guide.

Technical Context

The TLV2553EVM-PDK comprises two tightly coupled PCBs: the TLV2553EVM board hosting the ADC, analog front-end, reference, and power regulation; and the Precision Host Interface (PHI) board providing USB 2.0 connectivity, digital I/O translation, and regulated 3.3-V/5-V supplies. Communication between host PC and TLV2553 occurs via SPI over the PHI, with EEPROM (BR24G32FVT-3AGE2) pre-programmed for platform initialization.

Analog signal integrity is maintained through 11-channel OPA4322 unity-gain buffers (1 MΩ input impedance), onboard dc voltage sources (≈100 mV and ≈4 V), and heavy low-pass filtering of the REF3240 reference output. The system supports all TLV2553 interface modes (8-/12-/16-bit, MSB/LSB-first) and enables real-time histogram, FFT, and transient capture via its Windows GUI.

Key Specifications

Availability

TLV2553EVM-PDK is available at Aetrix Electronics and suitable for ADC validation, mixed-signal test bench development, sensor signal chain prototyping, and embedded data acquisition system design requiring stable component supply and full technical support.

Supply support for TLV2553EVM-PDK 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 company specializing in analog, embedded processing, and digital signal processing technologies, with leadership in precision data converters and evaluation platforms.

The TLV2553EVM-PDK belongs to TI's Performance Demonstration Kit (PDK) product line, engineered to provide turnkey, USB-powered evaluation of high-fidelity SAR ADCs for design engineers validating signal chain accuracy, noise performance, and dynamic range in lab and pre-production environments.

FAQ

What is the TLV2553EVM-PDK used for?

The TLV2553EVM-PDK is a complete evaluation system for the TLV2553 12-bit, 200-kSPS SAR ADC. It enables engineers to perform real-time multichannel data capture, histogram-based effective resolution analysis, and FFT-driven dynamic performance evaluation (including SNR, THD, and ENOB) directly from a Windows PC via USB - without external power or additional instrumentation. The TLV2553EVM-PDK includes all necessary hardware, firmware, and GUI software to characterize the ADC under realistic signal conditions.

Does the TLV2553EVM-PDK require an external power supply?

No, the TLV2553EVM-PDK operates entirely from USB 2.0 power delivered through the PHI board. The PHI provides regulated 3.3-V and 5-V supplies to the TLV2553EVM board - including clean 5-V output from the TPS7A4901 LDO for the ADC and analog circuitry. No wall adapter, bench supply, or auxiliary power source is needed for standard operation of the TLV2553EVM-PDK.

Which software is required to operate the TLV2553EVM-PDK?

The TLV2553EVM-PDK requires the official Texas Instruments GUI software, distributed as TLV2553EVM-PDK installer. It depends on the LabVIEW Run-Time Engine and includes a signed USB device driver. The software runs on all Windows operating systems and provides three core tools: Data Capture (for time-domain visualization), Histogram (for effective resolution and noise analysis), and FFT (for dynamic metrics like SINAD and SFDR). All functionality is accessible without modifying firmware or writing custom code.

How are analog inputs connected to the TLV2553EVM-PDK?

Analog inputs connect to the even-numbered pins (J2.Pin2 through J2.Pin22) of the 28-pin header J2 on the TLV2553EVM-PDK. Each channel is individually buffered by an OPA4322 op-amp, providing 1 MΩ input impedance. The odd-numbered pins (J2.Pin1–J2.Pin27) must be jumpered to GND (J2.Pin28), PFS (≈4 V), or NFS (≈100 mV) depending on signal source configuration - per Table 1 in the SBAU247A user's guide. Default operation uses J2.Pin28 (GND) for externally driven inputs.

What ADC interface modes does the TLV2553EVM-PDK support?

The TLV2553EVM-PDK supports all native interface modes of the TLV2553: 8-bit, 12-bit, and 16-bit data formats, with configurable MSB-first or LSB-first transmission order. In 16-bit LSB-first mode, the four most significant bits are zero-padded - a behavior explicitly documented for the TLV2553EVM-PDK in the SBAU247A guide. The SPI clock (SCLK) frequency is dynamically adjusted by the PHI's PLL to meet target sampling rates, enabling precise control over acquisition timing within the GUI.