Texas Instruments TLC0832IPE4

Overview

TLC0832IPE4 from Texas Instruments is an 8-bit successive-approximation analog-to-digital converter (ADC) with software-configurable dual-channel multiplexer, single-ended or differential input support, and serial interface for microprocessor connectivity. It operates ratiometrically with VCC = 5 V as reference, delivers ±1 LSB total unadjusted error, and achieves 32 µs conversion time at 250 kHz clock - used in industrial sensor signal conditioning and embedded data acquisition systems.

For engineers reviewing the TLC0832IPE4 datasheet, TLC0832IPE4 pinout, TLC0832IPE4 application, or TLC0832IPE4 equivalent, this page provides verified technical context, validated pin functions, confirmed operating temperature range (–40°C to +85°C), package-specific timing behavior, and real-world design implications of its MSB-first/LSB-first dual-data-output mode and multiplexer-addressing protocol.

Technical Context

The TLC0832IPE4 implements a sample-and-compare SAR architecture with integrated analog multiplexer controlled via serial DI input. Its 2-bit address word (start bit + SGL/DIF + ODD/EVEN) selects channel polarity and input configuration before conversion begins, enabling flexible analog front-end routing without external switches.

It features dual-output timing modes: MSB-first data stream during conversion (for immediate processing), followed by LSB-first data (for post-conversion verification). The DO output remains high-impedance until CS goes low and stays low throughout conversion, while DI is only sampled during the addressing interval - allowing bidirectional I/O sharing on a single processor line.

Key Specifications

Pinout & Package

Package: PDIP-8 (Plastic Dual In-line Package), 0.300-inch body width, through-hole mount. RoHS-compliant NIPDAU lead finish, no moisture sensitivity rating (MSL N/A).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit serial ADC applications.

Compared with ADC0832CCN/NOPB, TLC0832IPE4 offers lower typical supply current (2.5 mA vs. 3.5 mA) and guaranteed –40°C to +85°C operation, while TLC0832CP shares identical performance but lacks E4 traceability - making TLC0832IPE4 optimal for new industrial designs requiring documented RoHS compliance and extended temp validation.

Availability

TLC0832IPE4 is available at Aetrix Electronics and suitable for industrial sensor interfaces, PLC analog input modules, and portable data loggers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLC0832IPE4 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 expertise in precision data converters and industrial-grade ICs.

The TLC083x family was designed for cost-sensitive, microprocessor-connected data acquisition in industrial and instrumentation applications - emphasizing ease of interface, ratiometric accuracy, and robust operation without external references or calibration.

FAQ

What is the maximum clock frequency supported by the TLC0832IPE4?

The TLC0832IPE4 supports clock frequencies from 10 kHz to 600 kHz per datasheet SLAS107B. At 600 kHz, conversion still completes in exactly 8 clock cycles (13.3 µs), but setup/hold timing margins tighten - design validation at max frequency requires verifying tsu ≥ 350 ns and th ≥ 90 ns under actual board conditions. The TLC0832IPE4 maintains ±1 LSB error across this full range.

Does the TLC0832IPE4 require an external voltage reference?

No, the TLC0832IPE4 does not require an external voltage reference. Its VCC/REF pin accepts 4.5–5.5 V and serves as the internal reference source, enabling true ratiometric conversion. When VCC = 5 V, the full-scale input range is 0–5 V; deviations in VCC proportionally scale both reference and input range, preserving measurement accuracy without external components.

How is differential input configured on the TLC0832IPE4?

Differential input on the TLC0832IPE4 is configured via the 2-bit multiplexer address sent on DI: SGL/DIF = L (low) and ODD/EVEN = H (high) selects CH0(+) and CH1(–). Polarity is software-defined - either channel can be assigned positive or negative. The TLC0832IPE4 performs true differential subtraction (CH0 – CH1) with common-mode rejection, and outputs zero code if CH0 < CH1.

Can the TLC0832IPE4 operate from a 3.3-V supply?

No, the TLC0832IPE4 is not specified for 3.3-V operation. Its absolute maximum VCC is 6.5 V, but recommended operating range is 4.5–5.5 V. At 3.3 V, the internal reference and comparator margins fall outside specification, resulting in undefined conversion behavior and potential code errors. For 3.3-V systems, consider the ADS7822 or similar 3.3-V-native 8-bit serial ADCs instead of the TLC0832IPE4.

What does the "IPE4" suffix indicate in TLC0832IPE4?

The "IPE4" suffix in TLC0832IPE4 denotes a specific packaging and marking variant: "I" = industrial temperature grade (–40°C to +85°C), "P" = plastic DIP package, and "E4" = TI's internal tape-and-reel packaging code indicating tube-packaged PDIP-8 units with NIPDAU finish and RoHS compliance. It is functionally identical to TLC0832IP but carries TI's E4 traceability designation.