Texas Instruments TLC876IPW

Overview

TLC876IPW from Texas Instruments is a 10-bit, 20 MSPS parallel-output CMOS analog-to-digital converter (ADC) designed for high-speed signal acquisition in video and digital imaging systems. It operates from a single 5-V analog/digital supply, delivers ±0.5 LSB typical differential nonlinearity, supports 3.3-V/5-V digital I/O compatibility, and features three-state outputs with standby mode reducing power to 15 mW.

For engineers reviewing the TLC876IPW datasheet, TLC876IPW pinout, TLC876IPW application, or TLC876IPW equivalent, this page provides verified technical context, validated pin functions, real-world timing and dynamic performance data (ENOB = 8.5 bits at 3.58 MHz), and confirmed alternatives for CCD input systems, DSP front-ends, and multimedia digitization.

Technical Context

The TLC876IPW employs a pipelined multistage architecture with output error correction logic to guarantee no missing codes across its –40°C to 85°C industrial temperature range. Its 3.5-clock-cycle pipeline latency and 4 ns aperture delay enable deterministic sampling timing for synchronous video capture and real-time signal processing.

It integrates force-sense reference inputs (REFTF/REFTS/REFBF/REFBS) to compensate for internal 5-Ω wiring resistance, ensuring stable 2 V_PP full-scale span accuracy. The analog input accepts up to 200 MHz full-power bandwidth signals, while digital outputs drive 50 Ω loads with 5–20 ns output delay under 20 pF load.

Key Specifications

Pinout & Package

TLC876IPW is housed in a 28-pin TSSOP (Thin Small Outline Package) with 0.65 mm pitch, JEDEC MO-153 compliant, body size 9.7 × 4.4 mm.

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 TLC876IPW uniquely combines TSSOP packaging, force-sense reference flexibility, and true parallel 10-bit output - making it optimal for cost-sensitive, high-volume CCD digitizers where layout simplicity and analog accuracy are prioritized.

Availability

TLC876IPW is available at Aetrix Electronics and suitable for color scanners, digital copiers, and electronic still cameras requiring stable component supply across extended industrial temperature operation.

Supply support for TLC876IPW 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 connectivity technologies, with decades of heritage in precision data converters.

The TLC876 series was developed specifically for high-speed, low-power digitization in CCD-based imaging systems - targeting applications demanding 10-bit resolution, 20 MSPS throughput, and robust operation from –40°C to 85°C.

FAQ

What is the operating temperature range for the TLC876IPW?

The TLC876IPW is characterized for industrial operation from –40°C to +85°C. This range is explicitly defined in the SLAS140E datasheet and validated across all electrical specifications including INL, DNL, and ENOB. Unlike the C-suffix (0°C to 70°C) or M-suffix (–55°C to 125°C) variants, the 'I' grade ensures guaranteed performance across the full industrial span - critical for outdoor or factory-floor imaging equipment where ambient temperatures fluctuate widely. The TLC876IPW maintains ±0.5 LSB DNL and 8.5-bit ENOB within this range.

Does the TLC876IPW support 3.3-V logic interfaces?

Yes, the TLC876IPW supports 3.3-V logic through its dedicated DRVDD (Pin 2) and DRGND (Pin 13) supply pair. Digital inputs (CLK, OE, STBY) accept 2.4 V high-level and 0.6 V low-level thresholds when DRVDD = 3 V, and outputs (D0–D9) drive to 2.4 V VOH under 0.5 mA load. This dual-voltage capability allows direct interfacing with 3.3-V FPGAs or DSPs like the TMS320C64x without level shifters - a key design advantage confirmed in the "Digital Inputs" and "Logic Outputs" sections of the SLAS140E datasheet.

How does the force-sense reference architecture improve accuracy in the TLC876IPW?

The TLC876IPW uses separate force (REFTF/REFBF) and sense (REFTS/REFBS) terminals to eliminate voltage drops across internal 5-Ω wiring resistance. When external reference sources connect to REFTF/REFBF and their feedback loops tie to REFTS/REFBS, the internal DAC ladder sees the exact intended reference voltage - not a degraded version reduced by IR drop. This architecture reduces gain error to <0.2% and enables stable 2 V_PP full-scale spans even with long PCB traces, as verified in the "Driving the Reference Terminals" section of SLAS140E.

What is the pipeline latency of the TLC876IPW, and how does it affect system timing?

The TLC876IPW has a fixed pipeline latency of 3.5 clock cycles, meaning the first valid output sample appears 3.5 CLK periods after the corresponding analog sample is acquired. Once the pipeline is full, new data is available every clock cycle. This deterministic latency simplifies synchronization in frame-based systems like CCD line scanners - engineers can align downstream processing (e.g., FPGA-based demosaicing) by adding a 3.5-cycle offset. The value is measured and specified in the "Timing Requirements" table of SLAS140E under td(pipe).

Can the TLC876IPW be used with AC-coupled analog inputs?

Yes, the TLC876IPW supports AC-coupled inputs using configurations like those in Figure 14 of SLAS140E - with series R1/R2 and shunt capacitors C1/C2. However, AC coupling introduces a bias current (~30 µA at 20 MSPS) that creates an offset error proportional to (R1 + R2). For a 2 V_PP signal centered at 1 V, careful selection of R1 (50 Ω) and R2 (1 kΩ) limits offset to ~31.5 mV, which remains within the device's ±0.4%FSR offset error spec. DC coupling with op-amp level-shifting (Figure 16) avoids this issue entirely.