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LDS6124NQGI8
Electronics Part Number
LDS6124NQGI8-WXManufacturer
Texas Instruments
LDS6124NQGI8
Description
PureTouch Touch Sensor IC in 28-VFQFPN PackageInventory
620 Pcs New Original In Stock
Capacitive touch controller enabling buttons, slider, wheel controls, in 20-TQFN 3x3mm package.
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Minimum 1
Minimum 1
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Technical Specifications
Category
Interface, CODECS
Manufacturer
Texas Instruments
Packaging
-
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
30-TFSOP (0.173", 4.40mm Width)
Series
-
Base Product Number
TLV320
Product Status
Active
Type
Voice-Band
Supplier Device Package
30-TSSOP
Resolution (Bits)
16 b
Data Interface
Serial
Voltage - Supply, Analog
2.7V ~ 3.6V
Voltage - Supply, Digital
1.65V ~ 1.95V
Number of ADCs / DACs
1 / 1
Sigma Delta
Yes
S/N Ratio, ADCs / DACs (db) Typ
84 / 92
Dynamic Range, ADCs / DACs (db) Typ
85 / 92
Data Sheet Document (D)
Datasheets
Download TLV320AIC12IDBTR Product Specification (PDF)
HTML Datasheet
TLV320AIC12IDBTR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
TLV320AIC12IDBTRG4 TLV320AIC12IDBTRG4-DG
Standard Package
2,000
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Frequently Asked Questions (FAQ)
What are the key design-in risks when integrating the TLV320AIC12IDBTR in a low-power voice recordin
A major risk when integrating the TLV320AIC12IDBTR is ensuring level compatibility between its analog supply (2.7V–3.6V) and a 1.8V digital controller. While the digital I/O tolerates 1.65V–1.95V supplies, improper voltage domain sequencing can cause latch-up or unreliable serial communication. Always power up the analog supply (AVDD) before DVDD and use series resistors or level translators on control lines if sharing a common 1.8V rail. Additionally, ensure low-noise LDO regulation on AVDD to preserve the 84 dB SNR performance in sensitive voice capture.
Can the TLV320AIC12IDBTR replace the WM8731 in an existing audio interface design, and what PCB layo
The TLV320AIC12IDBTR can replace the WM8731 in voice-band applications with careful attention to power architecture and pin compatibility. Unlike the WM8731, the TLV320AIC12IDBTR requires split analog/digital supplies (AVDD and DVDD), necessitating separate power planes and decoupling (e.g., 10μF bulk with 0.1μF ceramic close to pins). The 30-TSSOP footprint differs slightly in pinout—especially the clock and serial data lines—so a net-by-net comparison is essential. Also, the TLV320AIC12IDBTR uses a different control register map, requiring firmware adaptation for mode setup and sample rate configuration.
How does the sigma-delta architecture in the TLV320AIC12IDBTR impact anti-aliasing filter design for
The sigma-delta modulator in the TLV320AIC12IDBTR relaxes anti-aliasing filter requirements compared to Nyquist ADCs, as oversampling shifts quantization noise to higher frequencies. However, a first-order RC low-pass filter (e.g., 10kΩ + 1nF for ~16 kHz cutoff) is still recommended on the analog input to suppress out-of-band interference and EMI. Avoid aggressive filtering that may attenuate frequencies near 3.4 kHz (typical voice band upper limit). Also, ensure the source impedance driving the ADC input is low (<2 kΩ) to prevent gain error and distortion due to sample-and-hold charging.
What are the reliability concerns when using the TLV320AIC12IDBTR in industrial environments with te
The TLV320AIC12IDBTR is rated for -40°C to 85°C operation, but thermal cycling can exacerbate solder joint stress in the 30-TSSOP package due to CTE mismatch with the PCB. To improve long-term reliability, use recommended PCB pad dimensions per TI's drawing, include thermal relief on ground planes, and avoid via-in-pad under the exposed thermal pad. Also, verify clock stability over temperature—use a temperature-stable crystal or oscillator for the codec's master clock to avoid jitter-induced SNR degradation at temperature extremes.
When selecting between the TLV320AIC12IDBTR and the TLV320AIC10, how does ADC dynamic range affect p
The TLV320AIC12IDBTR offers a 85 dB ADC dynamic range, which is 5 dB higher than the TLV320AIC10, providing better noise immunity in electrically noisy environments like industrial HMIs or VoIP terminals. This improvement allows clear voice capture even with low-level signals (e.g., electret microphones) without external pre-amplification. However, to realize this advantage, maintain strict analog/digital ground separation and keep the 16-bit serial data path away from high-speed digital traces. If board area is constrained, the TLV320AIC12IDBTR's superior integration may offset layout complexity versus adding external filtering with the AIC10.
What are the key design-in risks when integrating the TLV320AIC12IDBTR in a low-power voice recordin
A major risk when integrating the TLV320AIC12IDBTR is ensuring level compatibility between its analog supply (2.7V–3.6V) and a 1.8V digital controller. While the digital I/O tolerates 1.65V–1.95V supplies, improper voltage domain sequencing can cause latch-up or unreliable serial communication. Always power up the analog supply (AVDD) before DVDD and use series resistors or level translators on control lines if sharing a common 1.8V rail. Additionally, ensure low-noise LDO regulation on AVDD to preserve the 84 dB SNR performance in sensitive voice capture.
Can the TLV320AIC12IDBTR replace the WM8731 in an existing audio interface design, and what PCB layo
The TLV320AIC12IDBTR can replace the WM8731 in voice-band applications with careful attention to power architecture and pin compatibility. Unlike the WM8731, the TLV320AIC12IDBTR requires split analog/digital supplies (AVDD and DVDD), necessitating separate power planes and decoupling (e.g., 10μF bulk with 0.1μF ceramic close to pins). The 30-TSSOP footprint differs slightly in pinout—especially the clock and serial data lines—so a net-by-net comparison is essential. Also, the TLV320AIC12IDBTR uses a different control register map, requiring firmware adaptation for mode setup and sample rate configuration.
How does the sigma-delta architecture in the TLV320AIC12IDBTR impact anti-aliasing filter design for
The sigma-delta modulator in the TLV320AIC12IDBTR relaxes anti-aliasing filter requirements compared to Nyquist ADCs, as oversampling shifts quantization noise to higher frequencies. However, a first-order RC low-pass filter (e.g., 10kΩ + 1nF for ~16 kHz cutoff) is still recommended on the analog input to suppress out-of-band interference and EMI. Avoid aggressive filtering that may attenuate frequencies near 3.4 kHz (typical voice band upper limit). Also, ensure the source impedance driving the ADC input is low (<2 kΩ) to prevent gain error and distortion due to sample-and-hold charging.
What are the reliability concerns when using the TLV320AIC12IDBTR in industrial environments with te
The TLV320AIC12IDBTR is rated for -40°C to 85°C operation, but thermal cycling can exacerbate solder joint stress in the 30-TSSOP package due to CTE mismatch with the PCB. To improve long-term reliability, use recommended PCB pad dimensions per TI's drawing, include thermal relief on ground planes, and avoid via-in-pad under the exposed thermal pad. Also, verify clock stability over temperature—use a temperature-stable crystal or oscillator for the codec's master clock to avoid jitter-induced SNR degradation at temperature extremes.
When selecting between the TLV320AIC12IDBTR and the TLV320AIC10, how does ADC dynamic range affect p
The TLV320AIC12IDBTR offers a 85 dB ADC dynamic range, which is 5 dB higher than the TLV320AIC10, providing better noise immunity in electrically noisy environments like industrial HMIs or VoIP terminals. This improvement allows clear voice capture even with low-level signals (e.g., electret microphones) without external pre-amplification. However, to realize this advantage, maintain strict analog/digital ground separation and keep the 16-bit serial data path away from high-speed digital traces. If board area is constrained, the TLV320AIC12IDBTR's superior integration may offset layout complexity versus adding external filtering with the AIC10.
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Sep 15 2026
