Texas Instruments TLC876CPWLE

Overview

TLC876CPWLE from Texas Instruments is a 10-bit, 20 MSPS parallel-output CMOS analog-to-digital converter (ADC) with pipelined architecture, 5-V single-supply operation, ±0.5 LSB typical differential nonlinearity, no missing codes, and three-state digital outputs. It supports 3.3-V/5-V logic I/O and features adjustable reference inputs for flexible input span configuration. It is used in high-speed digital video acquisition systems requiring precise real-time sampling.

For engineers reviewing the TLC876CPWLE datasheet, TLC876CPWLE pinout, TLC876CPWLE application, or TLC876CPWLE equivalent, key selection considerations include its 20 MSPS throughput, 8.5-bit ENOB at 3.58 MHz, 50–53 dB S/(THD+N), 200 MHz analog input bandwidth, and compatibility with TMS320C6x DSP front-ends in multimedia and communications systems.

Technical Context

The TLC876CPWLE employs a multistage pipelined ADC architecture with output error correction logic to guarantee no missing codes across 0°C to 70°C. Each stage includes a sample-and-hold amplifier (SHA), enabling concurrent processing of five samples - new input sampled while prior four are refined across successive stages.

It uses force-sense reference terminals (REFTF/REFTS, REFBF/REFBS) to minimize voltage drop errors across the internal 500 Ω reference resistor string, supporting accurate 2 V_PP full-scale spans. Digital I/Os tolerate both 3.3-V and 5-V logic levels, and output enable (OE) and standby (STBY) pins provide independent control of data output impedance and power state.

Key Specifications

Pinout & Package

TLC876CPWLE is housed in a 28-pin Thin Shrink Small Outline Package (TSSOP-PW), 4.4 mm × 9.7 mm body, 0.65 mm pitch, with exposed thermal pad (not electrically connected). Pin 1 marked by beveled corner; top-view orientation as per datasheet SLAS140C.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed 10-bit ADC applications.

Compared with AD876JRZ and MAX1186ETL+, the TLC876CPWLE delivers superior DNL performance, integrated force-sense reference architecture, and dual independent power-control pins - making it optimal for cost-sensitive, high-fidelity video and imaging systems where layout simplicity and dc accuracy are critical.

Availability

TLC876CPWLE is available at Aetrix Electronics and suitable for digital video systems, multimedia capture cards, and high-speed DSP front-ends requiring stable component supply, long-term obsolescence planning, and consistent parametric performance across production lots.

Supply support for TLC876CPWLE 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 digital signal technologies, with decades of heritage in precision data converters and high-speed interface solutions.

The TLC876 series belongs to TI's high-speed precision ADC product line, designed specifically for video, imaging, and communications applications demanding 10-bit resolution at 20 MSPS with low power and robust dc accuracy.

FAQ

What is the operating temperature range for the TLC876CPWLE?

The TLC876CPWLE is characterized for operation from 0°C to 70°C ambient temperature (commercial grade). This range is explicitly defined in the SLAS140C datasheet for the 'C' suffix variant. Operation outside this range may result in degraded INL, DNL, or ENOB performance, and is not guaranteed by Texas Instruments specifications.

Does the TLC876CPWLE require an external reference voltage source?

Yes, the TLC876CPWLE requires an external reference applied to REFTF/REFTS and REFBF/REFBS. It does not include an internal reference. The device draws ~4 mA from the reference source to bias its internal 500 Ω resistor string, and the nominal full-scale span is 2 V_PP (V_REFTS – V_REFBS).

Can the TLC876CPWLE interface directly with a 3.3-V FPGA without level shifters?

Yes - the TLC876CPWLE supports 3.3-V logic I/O via the DRVDD pin. When DRVDD is supplied at 3.3 V, its D0–D9 outputs meet 3.3-V VOH/VOL specifications (e.g., VOH ≥ 2.4 V at IOH = 50 µA), and digital inputs (CLK, OE, STBY) accept 3.3-V logic thresholds, enabling direct FPGA connection.

What is the pipeline latency of the TLC876CPWLE, and how does it affect system timing?

The TLC876CPWLE has a fixed pipeline latency of 3.5 clock cycles (td(pipe)). This means the first valid output corresponding to the initial sample appears after 3.5 CLK periods, and thereafter one new sample is output every clock cycle. System firmware must account for this fixed delay when aligning ADC data with trigger events or DSP processing windows.

How does the force-sense reference interface improve accuracy in the TLC876CPWLE?

The force-sense interface (REFTF/REFTS, REFBF/REFBS) separates current-carrying and voltage-sensing paths, eliminating errors caused by voltage drops across PCB traces or bond wires. This maintains the intended reference voltage across the internal 500 Ω ladder, ensuring specified ±1.5 LSB INL and enabling accurate 2 V_PP input spans without calibration.