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6PAIC3254IRHBRQ1
Texas Instruments
IC STEREO AUDIO CODEC 1.8V 32QFN
2302 Pcs New Original In Stock
Audio Interface 32 b I2C, SPI 32-VQFN (5x5)
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Minimum 1
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5.0 / 5.0
- (451 Ratings)
6PAIC3254IRHBRQ1
Product Overview
1249677
DiGi Electronics Part Number
6PAIC3254IRHBRQ1-DGManufacturer
Texas Instruments
6PAIC3254IRHBRQ1
Description
IC STEREO AUDIO CODEC 1.8V 32QFNInventory
2302 Pcs New Original In Stock
Audio Interface 32 b I2C, SPI 32-VQFN (5x5)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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6PAIC3254IRHBRQ1 Technical Specifications
Category
Interface, CODECS
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Type
Audio
Data Interface
I2C, SPI
Resolution (Bits)
32 b
Number of ADCs / DACs
2 / 2
Sigma Delta
Yes
S/N Ratio, ADCs / DACs (db) Typ
93 / 100
Dynamic Range, ADCs / DACs (db) Typ
92 / 100
Voltage - Supply, Analog
1.5V ~ 3.6V
Voltage - Supply, Digital
1.26V ~ 3.6V
Operating Temperature
-40°C ~ 85°C
Grade
Automotive
Qualification
AEC-Q100
Mounting Type
Surface Mount
Package / Case
32-VFQFN Exposed Pad
Supplier Device Package
32-VQFN (5x5)
Base Product Number
6PAIC3254
Datasheet & Documents
HTML Datasheet
6PAIC3254IRHBRQ1-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
2156-6PAIC3254IRHBRQ1
-296-37010-1
6PAIC3254IRHBRQ1-DG
TEXTIS6PAIC3254IRHBRQ1
-296-37010-1-DG
296-37010-6
TLV320AIC3254-Q1
296-37010-1
296-37010-2
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
상품 찾기부터 결제까지 전 과정이 매우 직관적이어서 추천하고 싶어요.
de desembre 02, 2025
快速的出貨和細心的包裝，讓我感到非常安心。
de desembre 02, 2025
Die Kombi aus Preisvorteile und gutem Service macht DiGi Electronics zu meinem bevorzugten Distributor.
de desembre 02, 2025
Received my order rapidly, and I appreciated the sustainable packaging approach.
de desembre 02, 2025
I am very satisfied with how efficiently they handle logistics and support.
de desembre 02, 2025
Every interaction with DiGi Electronics assures me of their commitment to excellence.
de desembre 02, 2025
Clear and transparent prices create a trustworthy shopping environment.
de desembre 02, 2025
Customer service provided personalized assistance, which I valued a lot.
de desembre 02, 2025
They consistently deliver on commitments, both in price and shipping punctuality.
de desembre 02, 2025
Their products help me stay technologically up-to-date without overspending.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when integrating the 6PAIC3254IRHBRQ1 audio codec into an automotive-grade system with strict EMI requirements?
When integrating the 6PAIC3254IRHBRQ1 into automotive systems, a major design-in risk is electromagnetic interference (EMI) due to its high-speed I2C and SPI interfaces and internal sigma-delta modulators. To mitigate this, ensure tight impedance control on audio and clock traces, use ground shielding around SDATA_IN/OUT and SCLK lines, and place the 6PAIC3254IRHBRQ1 close to the audio connector to minimize stub lengths. Additionally, decouple both analog (1.5V–3.6V) and digital (1.26V–3.6V) supplies with 1µF and 0.1µF capacitors close to their respective pins to reduce noise coupling. Since the device is AEC-Q100 qualified, thermal and voltage stress testing under real-world load dump and cold crank conditions is recommended to validate signal integrity in the target application.
Can the 6PAIC3254IRHBRQ1 replace the MAX98357A in a stereo Class-D amplifier design, and what are the critical compatibility differences?
The 6PAIC3254IRHBRQ1 can replace the MAX98357A in a stereo audio signal chain, but key interface and architecture differences must be addressed. The MAX98357A is a mono PDM input amplifier, while the 6PAIC3254IRHBRQ1 is a full stereo codec with both ADCs and DACs, supporting I2S, I2C, and SPI. If only amplification is needed, the 6PAIC3254IRHBRQ1 offers greater flexibility but introduces unnecessary complexity and higher power in simpler applications. For compatibility, ensure the master clock (MCLK) required by the 6PAIC3254IRHBRQ1 is available in your system, as the MAX98357A operates without MCLK. Also, verify level shifting if interfacing with 1.8V logic, and consider increased BOM cost due to external reconstruction filters if high-fidelity analog output from the 6PAIC3254IRHBRQ1 is required.
What are the practical limitations of using the 6PAIC3254IRHBRQ1 in a battery-powered wearable device operating at 1.8V?
While the 6PAIC3254IRHBRQ1 supports 1.8V supply voltages, its minimum analog supply requirement is 1.5V, creating a risk of performance degradation as battery voltage sags below 1.8V during discharge. The codec’s dynamic range and SNR (typ. 92dB ADC, 100dB DAC) may drop if rail noise increases due to inadequate LDO regulation. To maintain fidelity, use a low-noise LDO instead of a switching regulator, especially on AVDD. Additionally, the 32-VQFN package requires precise thermal management during reflow, and its exposed pad must be properly soldered to the ground plane to ensure EMI performance and thermal dissipation. Monitor current draw during active ADC/DAC operation, as the 6PAIC3254IRHBRQ1 may consume more power than dedicated low-power wearables codecs like the TLV320AIC3100.
How does the AEC-Q100 qualification of the 6PAIC3254IRHBRQ1 impact reliability in industrial motor control applications with high EFT susceptibility?
The AEC-Q100 qualification of the 6PAIC3254IRHBRQ1 ensures reliability under temperature cycling, voltage overstress, and prolonged operation from -40°C to 85°C, making it suitable for industrial environments with electrical fast transients (EFT). However, its audio interface design was optimized for infotainment, not motor feedback systems. To maintain signal integrity, isolate the 6PAIC3254IRHBRQ1 power and ground planes from motor power stages using ferrite beads and guard traces. Use common-mode chokes on audio input lines susceptible to coupling from nearby PWM drivers. Additionally, leverage the I2C/SPI control interface to implement fault monitoring and reset routines via a host MCU, as the 6PAIC3254IRHBRQ1 does not have built-in EFT latch-up detection. This proactive management improves long-term reliability in harsh electrical environments.
What are the board layout trade-offs when routing differential audio signals with the 6PAIC3254IRHBRQ1 in a high-density 4-layer PCB?
In high-density 4-layer PCBs, routing differential audio signals (e.g., LINEINP/N, HPL/R) with the 6PAIC3254IRHBRQ1 requires careful stack-up planning to preserve SNR. Avoid placing digital traces (SPI, I2C) beneath the codec or across audio signal paths to prevent crosstalk. Use controlled impedance (typically 100Ω differential) for audio pairs, and keep trace lengths matched within 50 mils to minimize skew. Since the 6PAIC3254IRHBRQ1 uses a 5x5mm 32-VQFN package with a central exposed pad, ensure the thermal via array under the pad connects directly to a solid ground plane without thermal relief to optimize heat dissipation and signal stability. Avoid splitting the ground plane beneath the codec—this prevents return path discontinuity and reduces the risk of ground bounce in mixed-signal applications.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
6PAIC3254IRHBRQ1 CAD Models
Texas Instruments 6PAIC3254IRHBRQ1 PCB symbols & footprints
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