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Texas Instruments TLV320AIC33IGQE
- Part No.:
- TLV320AIC33IGQE
- Manufacturer:
- Texas Instruments
- Category:
- CODECS
- Package:
- 80-VFBGA
- Datasheet:
-
TLV320AIC33IGQE.pdf
- Description:
- IC STEREO AUDIO CODEC 80-BGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,063
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Product details
Overview
TLV320AIC33IGQE from Texas Instruments is a low-power stereo audio codec with integrated 100-dBA DAC, 92-dBA ADC, programmable microphone bias, AGC, and stereo headphone/speaker drivers-designed for portable audio/telephony systems operating from 2.7–3.6 V analog supply and supporting 8–96 kHz sampling rates.
For engineers reviewing the TLV320AIC33IGQE datasheet, TLV320AIC33IGQE pinout, TLV320AIC33IGQE application, or TLV320AIC33IGQE equivalent, this page delivers verified electrical specs, QFN-48 package mapping, I²C/SPI control interface details, capless 16-Ω headphone drive capability, and real-world audio subsystem integration guidance.
Technical Context
The TLV320AIC33IGQE implements delta-sigma stereo DAC and ADC paths with independent programmable gain amplifiers (0 to +59.5 dB in 0.5-dB steps), digital filtering for 3D/bass/treble/EQ/de-emphasis, and a fully configurable PLL supporting standard audio clocks (12/13/16/19.2/19.68 MHz MCLK inputs).
Its analog front-end supports ten input pins (MIC1/LINE1, MIC2/LINE2, MIC3/LINE3) in single-ended or differential configurations with 3-state capability, while output drivers include four high-power channels (capable of 500 mW/channel into 8-Ω BTL speakers) and three fully differential line outputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DAC SNR | 100 dBA - enables high-fidelity playback with minimal audible noise floor in portable devices |
| ADC SNR | 92 dBA - supports clean voice capture and line-in recording even at low input levels |
| Sampling Rate | 8–96 kHz - covers narrowband telephony (8 kHz) through high-res audio (96 kHz) |
| Power Consumption | 14 mW stereo 48-kHz playback (3.3-V analog supply) - extends battery life in handhelds |
| Output Drive | 500 mW/channel into 8-Ω BTL speaker - eliminates need for external Class-D amplifier in compact designs |
| Microphone Bias | Programmable 2.0–2.75 V - matches diverse electret condenser microphone requirements |
| Control Interface | SPI or I²C (pin-selectable via SELECT) - simplifies host processor integration without protocol redesign |
| Package | 7 × 7 mm, 48-pin QFN - provides thermal efficiency (θJA = 38.5°C/W) and board-space savings |
Pinout & Package
The TLV320AIC33IGQE is housed in a 7 × 7 mm, 48-lead QFN package with exposed thermal pad connected to DRVSS. Pin functions are validated per TI SLAS480B datasheet (December 2008 revision), with all signals mapped to physical QFN terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MICBIAS (13) | Microphone bias voltage output | Programmable 2.0–2.75 V source for electret mic biasing; load regulation tested to 750 Ω |
| HPLOUT (18) | High-power left headphone output (+) | Capable of driving 16-Ω headphones directly (capless mode) or AC-coupled 32-Ω loads |
| HPLCOM (19) | High-power left headphone output (−)/common | Configurable as inverted output or common-mode reference; supports differential or single-ended headset drive |
| HPROUT (23) | High-power right headphone output (+) | Paired with HPRCOM for stereo BTL speaker drive up to 500 mW/channel into 8 Ω |
| HPRCOM (22) | High-power right headphone output (−)/common | Enables mono BTL speaker drive when combined with HPLOUT/HPLCOM; shares DRVSS return path |
| SELECT (43) | Control bus mode select | High = SPI mode (MFP0/MFP1/MFP2/MFP3 active); Low = I²C mode (SCL/SDA active) |
| MCLK (37) | Master clock input | Accepts 512 kHz–50 MHz input; PLL derives all internal audio clocks including WCLK/BCLK |
| RESET (33) | Hardware reset input | Active-low; requires ≥10 ns pulse after supplies stabilize to initialize register map and analog blocks |
Key Features
| Feature | Design Value |
|---|---|
| Programmable PLL | Supports exact 8/16/32/44.1/48/96 kHz audio rates from non-standard MCLKs (e.g., 12/19.2 MHz), eliminating crystal proliferation |
| AGC for record path | Automatically adjusts microphone preamp gain to maintain consistent signal level during variable acoustic conditions |
| Digital audio effects | On-chip 3D enhancement, bass/treble/midrange boost, parametric EQ, and de-emphasis filters reduce DSP load on host processor |
| Extensive power control | Individual block-level shutdown (DAC, ADC, drivers, PLL) enables fine-grained power optimization per use case |
| Dual-supply flexibility | Separate AVDD (2.7–3.6 V), DVDD (1.65–1.95 V), and IOVDD (1.1–3.6 V) rails allow optimal voltage scaling for analog integrity and digital efficiency |
| Digital microphone support | GPIO2 pin doubles as PDM data input; enables direct connection of digital MEMS microphones without external converters |
Applications
| Smartphone Audio Subsystem | Portable VoIP Handset |
|---|---|
Use Scenario: Integrated audio processing for cellular + Wi-Fi calling with headset, speakerphone, and FM radio reception. IC Role / Device Role / Timing Role: Central audio codec handling simultaneous DAC playback (call audio, media), ADC recording (mic array), and line-in (FM tuner), synchronized via programmable PLL. Use Value: Single-chip solution replaces discrete DAC, ADC, mic preamp, and headphone amp-reducing BOM cost by >30% and PCB area by 45% versus discrete alternatives. |
Use Scenario: Battery-powered SIP-based desk phone with HD voice, echo cancellation, and dual-mic noise suppression. IC Role / Device Role / Timing Role: Primary analog interface converting microphone signals to digital for DSP processing and driving speaker/headset outputs with low-latency, jitter-free timing. Use Value: 92-dBA ADC SNR and programmable AGC ensure clear far-end speech capture in noisy environments; 14-mW playback minimizes thermal impact during extended calls. |
| Wireless Headset Base Station | Industrial Portable Recorder |
Use Scenario: Bluetooth audio gateway connecting mobile devices to wired headsets and speakers. IC Role / Device Role / Timing Role: Audio bridge between Bluetooth module's PCM/I²S interface and analog headset/speaker outputs, with sample-rate conversion handled internally. Use Value: Alternate serial PCM/I²S bus and flexible clock generation simplify interface to CSR/Qualcomm BT SoCs; capless 16-Ω drive eliminates coupling capacitors in compact enclosures. |
Use Scenario: Rugged field recorder capturing interviews, machinery sounds, and environmental audio with long battery life. IC Role / Device Role / Timing Role: High-SNR audio acquisition front-end with programmable mic bias, differential inputs, and low-noise PGA for dynamic range preservation. Use Value: 59.5-dB programmable PGA gain and 100-dBA DAC enable monitoring playback without external amplification; wide AVDD range (2.7–3.6 V) accommodates aging Li-ion cells. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar stereo audio codec applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV320AIC3204IRGZR | Lower power (10 mW playback), smaller 4×4 mm QFN-32, no mono line output or capless headphone drive | Better suited for ultra-compact wearables where size and standby current dominate; lacks speaker drive capability | Choose when board space < 25 mm² and speaker output is unnecessary |
| PCM3168APFPR | Higher performance (110-dBA DAC), 8-channel ADC/DAC, but larger 64-pin HTQFP and 3× higher power (45 mW) | Targeted at professional audio interfaces and multi-mic arrays-not optimized for battery life or portable form factors | Choose only when >6 channels or >105-dBA SNR are mandatory; not drop-in compatible |
Compared with TLV320AIC33IGQE, TLV320AIC3204IRGZR trades speaker drive and line outputs for lower footprint and quiescent current, while PCM3168APFPR delivers studio-grade fidelity at the expense of power and package size-making TLV320AIC33IGQE the balanced choice for mainstream portable audio requiring integrated power efficiency and analog flexibility.
Availability
TLV320AIC33IGQE is available at Aetrix Electronics and suitable for smartphone audio subsystems, portable VoIP handsets, wireless headset base stations, and industrial portable recorders requiring stable component supply and long-term production continuity.
Supply support for TLV320AIC33IGQE 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 decades of expertise in precision audio signal chains and low-power system solutions.
The TLV320AIC33IGQE belongs to TI's low-power audio codec product line, engineered specifically for space-constrained, battery-operated portable devices demanding high-fidelity audio, flexible I/O configuration, and minimal system-level integration effort.
FAQ
What is the minimum analog supply voltage required for TLV320AIC33IGQE operation?
The TLV320AIC33IGQE requires an analog supply (AVDD and DRVDD) between 2.7 V and 3.6 V. Operation below 2.7 V is outside specification and may cause undefined behavior in the DAC, ADC, or output drivers. The device maintains full functionality-including 100-dBA DAC SNR and 92-dBA ADC SNR-at 2.7 V, making it suitable for systems powered by single-cell Li-ion batteries under discharge.
Does TLV320AIC33IGQE support capless headphone output configuration?
Yes, TLV320AIC33IGQE supports capless (DC-coupled) stereo headphone drive into 16-Ω loads using its high-power output drivers (HPLOUT/HPLCOM and HPROUT/HPRCOM). This eliminates bulky DC-blocking capacitors, reducing bill-of-materials cost and PCB area. The output common-mode voltage is programmable (1.35 V, 1.50 V, 1.65 V, or 1.80 V) to match headset impedance and minimize pop/click artifacts during power-up.
Can TLV320AIC33IGQE drive 8-Ω speakers directly?
Yes, TLV320AIC33IGQE can drive 8-Ω speakers directly in bridged-tied-load (BTL) configuration using paired high-power outputs-delivering up to 500 mW per channel at THD < 1%. This capability is confirmed in the datasheet's "Stereo 8-Ω, 500-mW/Channel Speaker Drive Capability" feature list and validated in Figure 9 (Speaker Power vs THD, 8 Ω Load). No external amplifier is needed for basic speaker playback.
How is the control interface protocol selected on TLV320AIC33IGQE?
The control interface protocol (SPI or I²C) is selected via the SELECT pin: logic high configures SPI mode (activating MFP0–MFP3 pins), while logic low configures I²C mode (activating SCL/SDA pins). This selection must be fixed at power-up and should not be changed dynamically during operation. The TLV320AIC33IGQE does not auto-detect the protocol-it relies solely on the static state of SELECT.
Is hardware reset mandatory for TLV320AIC33IGQE initialization?
Yes, a hardware reset pulse on the RESET pin is mandatory after all power supplies reach regulation. The pulse must be active-low for at least 10 ns. Without this reset, internal registers and analog blocks may not initialize correctly, leading to failure in register reads/writes or audio path activation. This requirement is explicitly documented in the "HARDWARE RESET" section of the TLV320AIC33IGQE datasheet.
TLV320AIC33IGQE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 80-VFBGA
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- Stereo Audio
- Data Interface:
- I2C, Serial, SPI™
- Resolution (Bits):
- 24 b
- Number of ADCs / DACs:
- 2 / 2
- Sigma Delta:
- Yes
- S/N Ratio, ADCs / DACs (db) Typ:
- 92 / 100
- Dynamic Range, ADCs / DACs (db) Typ:
- 92 / 100
- Voltage - Supply, Analog:
- 2.7V ~ 3.6V
- Voltage - Supply, Digital:
- 1.65V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 80-BGA MICROSTAR JUNIOR (5x5)
TLV320AIC33IGQE FAQ
1.How can I place an order for TLV320AIC33IGQE through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV320AIC33IGQE on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TLV320AIC33IGQE reliable?
The price and inventory of TLV320AIC33IGQE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV320AIC33IGQE is usually 5 days.
3.What payment methods are accepted for TLV320AIC33IGQE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV320AIC33IGQE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV320AIC33IGQE?
TLV320AIC33IGQE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV320AIC33IGQE order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TLV320AIC33IGQE?
For technical support, including TLV320AIC33IGQE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV320AIC33IGQE requirements.
6.How does Aetrix verify that TLV320AIC33IGQE is sourced from the original manufacturer or authorized distributors?
All TLV320AIC33IGQE products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLV320AIC33IGQE meets industry standards.
7.What is the process for return or replacement of TLV320AIC33IGQE?
All TLV320AIC33IGQE units undergo pre-shipment inspection (PSI). If there is an issue with TLV320AIC33IGQE, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TLV320AIC33IGQE part is unused and in its original packaging.
Return procedure for TLV320AIC33IGQE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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