Texas Instruments TLV0834CPWRG4

Overview

TLV0834CPWRG4 from Texas Instruments is a 4-channel, 8-bit successive-approximation analog-to-digital converter (ADC) with serial interface, operating from 2.7 V to 3.6 V supply, delivering ±1 LSB total unadjusted error and 32 µs conversion time at 250 kHz clock. It supports single-ended, differential, and pseudodifferential input configurations and is used in sensor signal conditioning for industrial monitoring systems.

For engineers reviewing the TLV0834CPWRG4 datasheet, TLV0834CPWRG4 pinout, TLV0834CPWRG4 application, or TLV0834CPWRG4 equivalent, key selection criteria include its TSSOP-16 package, –40°C to 85°C temperature rating, ratiometric operation with V_CC reference, software-configurable multiplexer addressing, and compatibility with TTL/MOS logic levels.

Technical Context

The TLV0834CPWRG4 implements a sample-data comparator architecture with internal successive-approximation register (SAR) and resistive ladder DAC. Its serial control interface uses a 5-bit shift register for channel and mode selection, with start-bit–driven initiation and MSB-first data output.

It features dual ground separation (ANLG GND and DGTL GND), independent REF input for flexible voltage scaling, and SARS status flag signaling conversion progress. Input configuration-single-ended, differential (adjacent pairs only), or pseudodifferential-is fully determined by the 3–4 bit address word shifted in via DI.

Key Specifications

Pinout & Package

TSSOP-16 package (PW), 4.4 mm × 5.0 mm body, 0.65 mm pitch, exposed pad not electrically connected.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLV0834IPWR, TLV0834CPWRG4 offers identical performance and form factor but with updated tape-and-reel packaging and RoHS-compliant finish; compared with ADC0834CN, it enables modern low-voltage operation, smaller footprint, and extended temperature range-critical for industrial and automotive deployments.

Availability

TLV0834CPWRG4 is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive cabin monitoring systems, and portable data acquisition equipment requiring stable component supply and long-term production continuity.

Supply support for TLV0834CPWRG4 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 over 90 years of innovation in precision signal chain components.

The TLV0834CPWRG4 belongs to TI's low-voltage precision ADC product line, designed specifically for 3-V embedded systems where power efficiency, small footprint, and robust serial interfacing are essential for sensor data acquisition.

FAQ

What is the maximum clock frequency supported by TLV0834CPWRG4?

The TLV0834CPWRG4 supports up to 600 kHz clock frequency when V_CC = 3.3 V, and 250 kHz when V_CC = 2.7 V. At 600 kHz, conversion time reduces to ~13.3 µs (8 clock periods). Operation outside recommended duty cycle (40–60%) requires minimum 1 µs pulse width for reliable timing. The TLV0834CPWRG4 datasheet specifies these limits under recommended operating conditions.

Does TLV0834CPWRG4 require an external reference voltage?

No, TLV0834CPWRG4 operates ratiometrically using V_CC as the reference, eliminating the need for an external reference in many applications. However, an external REF voltage (0 V to V_CC) can be applied to scale the input range-for example, to encode a 0–1.5 V sensor output across all 256 codes. The TLV0834CPWRG4 maintains full 8-bit resolution regardless of REF setting.

Can TLV0834CPWRG4 perform differential measurements between non-adjacent channels?

No, the TLV0834CPWRG4 only supports differential measurements between adjacent channel pairs: CH0–CH1 and CH2–CH3. This is enforced by internal multiplexer addressing logic. Pseudodifferential mode uses the COM input (not present on TLV0834CPWRG4; only on TLV0838 variants) - so true differential operation is limited to those two pairs. The TLV0834CPWRG4 functional description confirms this constraint.

What is the meaning of "G4" in TLV0834CPWRG4?

The "G4" suffix in TLV0834CPWRG4 denotes TI's green packaging standard: lead-free (Pb-free), RoHS-compliant, and halogen-free construction. It indicates NIPDAU (nickel-palladium-gold) lead finish, Level-1 moisture sensitivity rating, and compliance with JEDEC J-STD-020 reflow profiles. The TLV0834CPWRG4 part marking on the device body is "TV0834" per TI's packaging addendum.

How does the TLV0834CPWRG4 handle input overvoltage conditions?

The TLV0834CPWRG4 includes on-chip diodes at each analog input that conduct when voltage exceeds V_CC by ~0.5 V. To prevent errors near full scale, analog inputs must stay within –0.3 V to V_CC + 0.05 V per datasheet Note 3. At V_CC = 3.3 V, this implies a safe input range of 0 V to 3.35 V. Exceeding this may cause forward conduction and code inaccuracies - the TLV0834CPWRG4 is not fault-protected beyond absolute maximum ratings.