Specifications
| Type | Description |
|---|---|
| Part Number | TLV320AIC3254 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | VQFN (32), 5.00 mm x 5.00 mm, RHB package |
| Audio DAC SNR | 100 dB; stereo audio DAC |
| DAC Playback Power | 4.1 mW; stereo 48-ksps DAC playback |
| Audio ADC SNR | 93 dB; stereo audio ADC |
| ADC Record Power | 6.1 mW; stereo 48-ksps ADC record |
| Analog Inputs | 6 single-ended or 3 fully-differential inputs; programmable analog input configuration |
| Microphone Inputs | Stereo analog and digital microphone inputs; audio input support |
| Headphone Outputs | Stereo headphone outputs; output driver support |
| Line Outputs | Stereo line outputs; analog output support |
| ADC PGA Gain Range | 0 to +47.5 dB; input programmable gain adjustment, 0.5 dB steps shown in block diagram |
| Digital Volume Control Range | -72 to 0 dB; ADC/DAC signal path volume control shown in block diagram |
| Output Gain Range | -6 to +29 dB; analog output gain adjustment, 1 dB steps shown in block diagram |
| Line Output Attenuation Range | -30 to 0 dB; line output path shown in block diagram |
| AVDD Absolute Maximum | -0.3 to 2.2 V; AVDD to AVSS, over operating free-air temperature range |
| DVDD Absolute Maximum | -0.3 to 2.2 V; DVDD to DVSS, over operating free-air temperature range |
| IOVDD Absolute Maximum | -0.3 to 3.9 V; IOVDD to IOVSS, over operating free-air temperature range |
| LDOIN Absolute Maximum | -0.3 to 3.9 V; LDOIN to AVSS, over operating free-air temperature range |
| Digital Input Voltage Absolute Maximum | -0.3 to IOVDD + 0.3 V; digital input voltage to ground |
| Analog Input Voltage Absolute Maximum | -0.3 to AVDD + 0.3 V; analog input voltage to ground |
| Operating Temperature Range | -40 to +85 °C; absolute maximum ratings table |
| Maximum Junction Temperature | 105 °C; TJ max |
| Storage Temperature Range | -55 to +125 °C; handling ratings |
| ESD Rating HBM | -2 to +2 kV; human body model per ANSI/ESDA/JEDEC JS-001, all pins |
| ESD Rating CDM | -750 to +750 V; charged device model per JEDEC JESD22-C101, all pins |
| LDOIN Recommended Supply Voltage | 1.9 to 3.6 V; referenced to AVSS |
| AVDD Recommended Supply Voltage | 1.5 V min, 1.8 V nom, 1.95 V max; referenced to AVSS |
| IOVDD Recommended Supply Voltage | 1.1 to 3.6 V; referenced to IOVSS |
| DVDD Recommended Supply Voltage | 1.26 V min, 1.8 V nom, 1.95 V max; referenced to DVSS |
| PLL Input Frequency | 10 to 20 MHz; clock divider uses fractional divide, D > 0, P = 1, DVDD >= 1.65 V |
| PLL Input Frequency | 0.512 to 20 MHz; clock divider uses integer divide, D = 0, P = 1, DVDD >= 1.65 V |
| Master Clock Frequency | 50 MHz max; MCLK, DVDD >= 1.65 V |
| Master Clock Frequency | 25 MHz max; MCLK, DVDD >= 1.26 V |
| SCL Clock Frequency | 400 kHz max; I2C interface serial clock |
| Digital Control Interfaces | I2C or SPI; SPI_SELECT pin selects control mode, 1 = SPI, 0 = I2C |
| Primary Audio Interface | I2S, left-justified, right-justified, DSP modes supported |
| Integrated Functions | Programmable PLL, integrated LDOs, programmable microphone bias, embedded miniDSP |
| Datasheet Status | request_only |
Product Overview
The TLV320AIC3254 is a Texas Instruments stereo audio codec with miniDSP for Signal_Chain audio designs. The device combines stereo audio DAC and ADC functions with an embedded miniDSP, programmable PLL, integrated LDOs, and programmable microphone bias. Audio conversion parameters include 100 dB SNR for the stereo DAC and 93 dB SNR for the stereo ADC.
The analog input section supports 6 single-ended or 3 fully differential inputs, plus stereo analog and digital microphone inputs. Signal-path gain controls include a 0 to +47.5 dB ADC PGA range, -72 to 0 dB digital volume control, -6 to +29 dB analog output gain, and -30 to 0 dB line-output attenuation.
For system integration, TLV320AIC3254 supports stereo headphone outputs and stereo line outputs. Control is selectable between I2C and SPI, while the primary audio interface supports I2S, left-justified, right-justified, and DSP modes. The package is VQFN (32), 5.00 mm x 5.00 mm, RHB.
Key Features
- Stereo audio codec with embedded miniDSP processing
- 100 dB SNR stereo audio DAC path
- 93 dB SNR stereo audio ADC path
- 4.1 mW stereo 48-ksps DAC playback
- 6.1 mW stereo 48-ksps ADC record
- 6 single-ended or 3 fully differential analog inputs
- Stereo analog and digital microphone input support
- Stereo headphone outputs and stereo line outputs
- I2C or SPI digital control interface
- I2S, left-justified, right-justified, and DSP modes
Typical Applications
- Stereo audio signal chains
- Microphone input subsystems
- Headphone output designs
- Line output audio paths
- I2S audio interface systems
- I2C or SPI controlled audio designs
- miniDSP-based audio processing
Procurement Notes
When requesting a quote for TLV320AIC3254, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What type of device is the TLV320AIC3254?
The TLV320AIC3254 is a Texas Instruments stereo audio codec with miniDSP. It integrates stereo ADC and DAC paths, programmable PLL, integrated LDOs, programmable microphone bias, and embedded miniDSP functions.
What audio interface modes does TLV320AIC3254 support?
The primary audio interface supports I2S, left-justified, right-justified, and DSP modes. Digital control is selectable through I2C or SPI using the SPI_SELECT pin, where 1 selects SPI and 0 selects I2C.
What are the main audio performance specifications?
The stereo DAC SNR is specified as 100 dB, and the stereo ADC SNR is specified as 93 dB. Power figures include 4.1 mW for stereo 48-ksps DAC playback and 6.1 mW for stereo 48-ksps ADC record.
What package is used for the TLV320AIC3254?
The extracted datasheet facts list the TLV320AIC3254 package as VQFN (32), 5.00 mm x 5.00 mm, RHB package. This package information should be used for footprint and assembly review.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.