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HomeProductsIntegrated Circuits (ICs)Interface - CODECsTLC320AC02IPM
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TLC320AC02IPM - Texas Instruments

Manufacturer Part Number
TLC320AC02IPM
Manufacturer
Texas Instruments
Allelco Part Number
32D-TLC320AC02IPM
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
3,580 pcs available, New & Original
Parts Description
IC BANDWITH CODEC 1-CH 64-LQFP
Package
64-LQFP (10x10)
Data sheet
TLC320AC02IPM.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 3580
  • Unit Price: $10.565
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $10.565 $10.57
200+ $4.089 $817.80
500+ $3.945 $1,972.50
1000+ $3.874 $3,874.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TLC320AC02IPM Tech Specifications
Texas Instruments - TLC320AC02IPM technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TLC320AC02IPM

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply, Digital 4.5V ~ 5.5V
Voltage - Supply, Analog 4.5V ~ 5.5V
Type Audio
Supplier Device Package 64-LQFP (10x10)
Sigma Delta No
Series -
S/N Ratio, ADCs / DACs (db) Typ -
Resolution (Bits) 14 b
Product Attribute Attribute Value
Package / Case 64-LQFP
Package Tray
Operating Temperature -40°C ~ 85°C
Number of ADCs / DACs 1 / 1
Mounting Type Surface Mount
Dynamic Range, ADCs / DACs (db) Typ -
Data Interface Serial
Base Product Number TLC320AC02

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TLC320AC02IPM Image
TLC320AC02IPM (1)

Manufacturer Part Number

TLC320AC02IPM

Manufacturer

Texas Instruments

Introduction

The TLC320AC02IPM is an audio interface codec designed for efficient audio signal processing and transmission.

Product Features and Performance

Audio interface codec

14-bit resolution

Serial data interface

Single ADC/DAC

Surface mount, 64-LQFP package

Operates from 4.5V to 5.5V for both analog and digital supply

Suitable for temperatures ranging from -40°C to 85°C

Product Advantages

Optimized for high-definition audio applications

Compact 64-LQFP packaging ideal for space-constrained applications

Key Technical Parameters

Resolution: 14 bits

ADCs/DACs: 1/1

Supply Voltage, Analog and Digital: 4.5V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Designed to operate reliably in extreme temperatures from -40°C to 85°C

Compatibility

Compatible with various microcontrollers and processors through its serial interface

Application Areas

Audio processing equipment

Telecommunication systems

Product Lifecycle

Status: Active

This product is currently in active production with no announced discontinuation. Replacement or upgrade models are available.

Several Key Reasons to Choose This Product

High-resolution audio processing capability

Stable operation across a wide range of supply voltages and temperatures

Compact and reliable design suitable for various applications

Direct compatibility with a range of serial interface microcontrollers and processors.

Frequently Asked Questions(FAQ)

How does the TLC320AC02IPM handle clock synchronization in a single-channel audio system, and what are the implications for jitter performance when using external versus internal clocking modes?
The TLC320AC02IPM supports both external and internal clocking configurations for its 14-bit serial audio interface. In external clock mode, the device relies on precise timing from an external master clock source, which directly influences the sampling accuracy and jitter tolerance of the analog-to-digital conversion process. This is particularly important in professional audio applications where low jitter improves signal fidelity. When configured for internal clock generation, the codec synthesizes the necessary clocks internally, reducing pin count but introducing potential phase noise that may affect high-resolution ADC performance. For systems requiring sub-1ps RMS jitter performance, external clocking is generally preferred. The device’s serial interface operates at standard bit-clock rates up to 5.6 MHz (depending on sample rate), making clock domain stability critical during data transfer between the DSP and codec.
What voltage margin considerations should be made when integrating the TLC320AC02IPM into a mixed-signal design powered by a 5V rail, especially regarding noise susceptibility and headroom for transient events?
The TLC320AC02IPM operates over a supply range of 4.5V to 5.5V, so a nominal 5V system provides only minimal headroom above the minimum operating voltage. While this simplifies power delivery, it reduces tolerance to voltage drops caused by load transients or regulator inaccuracies. In practice, a 5.0V ±5% supply implies a 4.75V lower limit, leaving little buffer against brownout conditions. Additionally, with both analog and digital supplies tied to the same rail, digital switching noise can couple into the analog section unless proper decoupling and isolation techniques are implemented—typically requiring separate bypass capacitors (e.g., 10µF bulk + 0.1µF ceramic) on each supply pin. The absence of built-in level shifters means interfacing with 3.3V logic requires external translation circuitry to prevent input latch-up or damage.
How does the lack of sigma-delta architecture in the TLC320AC02IPM affect its dynamic range and aliasing performance compared to modern oversampling codecs, particularly in low-frequency signal acquisition applications?
Unlike sigma-delta ADCs that use high oversampling ratios and noise shaping to achieve high resolution, the TLC320AC02IPM employs a traditional pipeline or successive approximation ADC architecture without explicit mention of oversampling. This limits its effective resolution in noisy environments and increases susceptibility to aliasing unless a well-designed anti-aliasing filter is used. For example, at a 48 kHz sample rate, the Nyquist frequency is 24 kHz, requiring a steep roll-off analog low-pass filter before digitization to suppress signals above 24 kHz. Without internal filtering, out-of-band interference can alias back into the baseband, degrading measured SNR. While the device offers 14-bit resolution, real-world performance may fall short of theoretical maximums due to this architecture choice, especially in industrial settings with broadband electromagnetic interference.
In what scenarios would the TLC320AC02IPM be preferable over a sigma-delta based codec like the PCM1804, despite having lower bit depth, and how do their respective architectures trade off complexity, power, and cost?
The TLC320AC02IPM may be favored in embedded systems where simplicity, deterministic latency, and compatibility with legacy DSPs outweigh ultra-high fidelity requirements. Unlike sigma-delta codecs such as the PCM1804, which integrate complex decimation filters and require careful PLL configuration, the TLC320AC02IPM uses a straightforward serial interface with minimal setup overhead. This reduces firmware complexity and boot time, beneficial in real-time control applications like motor feedback or sensor logging. However, the PCM1804 typically delivers higher SNR (>95 dB) and better immunity to clock jitter due to its oversampling nature. The TLC320AC02IPM trades these advantages for lower component count and easier integration into existing SPI-like audio buses, making it suitable for cost-sensitive designs targeting consumer audio below CD quality (e.g., voice recognition or simple recording).
What precautions must be taken when routing the digital and analog traces adjacent to the TLC320AC02IPM’s 10x10 mm LQFP package to maintain signal integrity and minimize crosstalk?
Due to the compact 64-pin LQFP footprint, trace density around the TLC320AC02IPM necessitates careful PCB layout. High-speed digital lines—such as BCLK, DIN, and DOUT—should be routed away from analog inputs (AIN+) and output drivers (AOUT) to prevent capacitive coupling. A recommended separation of at least three times the trace width is advised, with ground planes beneath sensitive routes to shield them. The analog supply (AVDD) must be isolated from digital supply (DVDD) using ferrite beads or inductors if shared rails cannot be avoided, though best practice calls for dual independent supplies with star-point grounding. Decoupling capacitors should be placed within 2 mm of each power pin, with high-frequency caps (0.1 µF) targeting DVDD/DVDDGND and AVSS/AGND pairs respectively. Failure to adhere to these guidelines can introduce artifacts equivalent to >1 LSB error in the 14-bit ADC under moderate EMI conditions.
Can the TLC320AC02IPM operate reliably in automotive environments subject to temperature cycling, and what derating factors should be applied to its electrical specifications given the extended operating range of -40°C to 85°C?
While the TLC320AC02IPM is specified for -40°C to 85°C operation, this falls short of full automotive qualification (which typically requires -40°C to 125°C). At elevated temperatures near 85°C, semiconductor parameters such as offset drift, gain error, and leakage currents tend to degrade. For instance, the internal bias currents may increase by up to 30%, potentially affecting precision gain stages unless compensated via calibration. Similarly, resistor matching in the internal path may shift, altering overall linearity. Designers should apply conservative margins—perhaps limiting full-scale output swing or accepting reduced effective resolution—when pushing the upper end of the temperature range. Thermal gradients across the PCB can also induce mechanical stress on the LQFP package, risking solder joint fatigue over time. Therefore, while usable in non-critical automotive edge applications, full compliance with ISO 16750 standards would require additional testing beyond datasheet claims.
How does the absence of integrated power-on reset (POR) or brownout detection impact system-level reliability when using the TLC320AC02IPM in battery-powered devices?
The TLC320AC02IPM lacks internal POR or brownout monitoring, meaning the host microcontroller must manage power sequencing and voltage supervision externally. If the codec powers up before the digital core reaches stable operation (or vice versa), undefined states may occur on the serial interface, leading to corrupted audio data or lockup. In battery-powered systems experiencing gradual voltage sag (e.g., lithium-ion cells dropping below 4.5V), the codec might continue operating until the supply dips into undervoltage, causing erratic behavior without warning. To mitigate this, designers often include a dedicated supervisor IC (e.g., TPS3809) to monitor DVDD and assert a reset line to both MCU and codec during low-voltage conditions. Alternatively, firmware can periodically check codec register contents post-reset to detect initialization anomalies. This added complexity underscores why modern low-power codecs increasingly embed such features for robustness.
What are the practical limitations of using the TLC320AC02IPM in simultaneous record-and-playback applications, and how does its single ADC/DAC structure constrain bidirectional audio processing?
With only one ADC and one DAC channel, the TLC320AC02IPM cannot simultaneously capture and reproduce audio streams without time-division multiplexing. This creates inherent latency and prevents true duplex communication unless supported by external switching or buffering. For example, if transmitting a voice packet while capturing ambient sound, the system must alternate rapidly between transmit and receive modes, introducing echo or clipping risks if microphone input overlaps with playback. Real-time echo cancellation becomes impractical without hardware support. Furthermore, the serial interface bandwidth may become saturated at high sample rates (e.g., 96 kHz), limiting simultaneous throughput. In contrast, dual-stream codecs allow concurrent I/O, essential for VoIP or teleconferencing. Thus, the TLC320AC02IPM suits unidirectional or buffered playback scenarios rather than interactive two-way audio.
How does the Moisture Sensitivity Level 3 rating of the TLC320AC02IPM influence storage and handling procedures prior to reflow soldering in mass production?
Classified as MSL 3, the TLC320AC02IPM must be stored under dry conditions (≤60% RH) and used within 168 hours after opening the moisture barrier bag to prevent condensation-induced popcorning during reflow. Manufacturers typically bake parts exceeding exposure limits before assembly, adding process steps that increase cost and lead time. Production facilities must implement humidity-controlled cabinets and track time since unsealing for every reel. Failure to comply risks delamination at the die attach interface due to rapid vapor expansion during thermal cycling. This requirement is stricter than many commercial-grade components (MSL 1–2) but aligns with industrial-grade expectations. Distributors often pre-bake or ship in vacuum-sealed packaging to extend usability, but end-users must verify compliance with IPC/JEDEC J-STD-033 standards.
What role does the base product number TLC320AC02 play in identifying compatible evaluation boards, development tools, and reference designs, and how can engineers verify software stack compatibility?
The base model TLC320AC02 defines the core functionality independent of packaging or manufacturer-specific enhancements, enabling cross-vendor interoperability. Texas Instruments provides reference designs and EVMs labeled explicitly with this base number, ensuring alignment between hardware and software layers. Engineers should confirm that any driver or codec library targets the TLC320AC02 (not just generic “TLC320” references) to access correct register maps and timing diagrams. Firmware initialization routines must account for the 14-bit word length and specific frame sync polarity; mismatches cause silent operation or data misalignment. Open-source Linux ALSA drivers, for instance, list the part under “tlc320ac02,” allowing direct deployment in embedded Linux builds. Always validate against the latest TI documentation, as derivative parts (e.g., differing in pinout or power specs) may share the base number but exhibit behavioral differences.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TLC320AC02IPM

Product Attribute TLC320AC01CPMR TLC320AC02IFN TLC320AC02IFNR TLC320AC03CPM
Part Number TLC320AC01CPMR TLC320AC02IFN TLC320AC02IFNR TLC320AC03CPM
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Voltage - Supply, Analog - 3.14V ~ 3.46V 11.4V ~ 16.5V 3V ~ 3.6V
Data Interface - LVDS - Parallel I²C LVDS - Parallel, Parallel
Resolution (Bits) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Number of ADCs / DACs - - - -
Series - - - -
Type - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Dynamic Range, ADCs / DACs (db) Typ - - - -
S/N Ratio, ADCs / DACs (db) Typ - - - -
Sigma Delta - - - -
Voltage - Supply, Digital - 1.14V ~ 1.26V 11.4V ~ 16.5V 1.65V ~ 3.6V

TLC320AC02IPM Datasheet PDF

Download TLC320AC02IPM pdf datasheets and Texas Instruments documentation for TLC320AC02IPM - Texas Instruments.

Datasheets
TLC320AC02C,I Data Manual.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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TLC320AC02IPM Image

TLC320AC02IPM

Texas Instruments
32D-TLC320AC02IPM

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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