Overview
The TLV320AIC23IPWG4, produced by Texas Instruments, is a high-performance stereo audio codec designed for integrated analog functionality. This component is optimized for use in portable audio applications, offering low power consumption and flexible power management to extend battery life. The TLV320AIC23IPWG4 features an internal oscillator that can generate system clocks for DSPs and other peripherals, making it a versatile solution for compact and cost-effective audio designs.
Key Specifications
| Parameter | Description |
|---|---|
| Package | 28-TSSOP (0.173", 4.40mm Width) |
| Data Interface | I2C, Serial (SPI-compatible and 2-wire-compatible) |
| Resolution (Bits) | 16 b, 20 b, 24 b, 32 b |
| Number of ADCs / DACs | 2 / 2 |
| Sigma Delta | Yes |
| S/N Ratio, ADCs / DACs (db) Typ | 90 / 100 (A-weighted at 48 kHz) |
| Dynamic Range, ADCs / DACs (db) Typ | 90 / 90 |
| Voltage - Supply, Analog | 2.7 V ~ 3.6 V |
| Voltage - Supply, Digital | 1.42 V ~ 3.6 V |
| Sampling-Frequency Support | 8-kHz ~ 96-kHz |
| Operating Temperature | -10°C ~ 70°C |
| Mounting Type | Surface Mount |
Key Features
- High-Performance Stereo Codec with 90-dB SNR Multibit Sigma-Delta ADC and 100-dB SNR Multibit Sigma-Delta DAC (A-weighted at 48 kHz)
- Internal oscillator with 12-MHz external crystal support, providing system clocks at 12 MHz or 6 MHz
- Software control via TI McBSP-compatible multiprotocol serial port with SPI and 2-wire compatibility
- Glueless interface to TI McBSPs and I2S-compatible interface requiring only one McBSP for both ADC and DAC
- Support for standard I2S, MSB, or LSB justified-data transfers with 16/20/24/32-bit word lengths
- Low power consumption and flexible power management for extended battery life in portable applications
- Compact package using TI proprietary MicroStar Junior, occupying only 25 mm^2 of board area
Applications
The TLV320AIC23IPWG4 is ideal for various portable audio applications, including:
- Portable audio players and recorders
- Smartphones and mobile devices
- Tablets and handheld gaming consoles
- Wireless headsets and earbuds
- Other battery-powered audio devices requiring high-performance and low power consumption
Q & A
- What is the primary function of the TLV320AIC23IPWG4?
The TLV320AIC23IPWG4 is a high-performance stereo audio codec designed for converting analog audio signals to digital and vice versa.
- What are the supported sampling frequencies?
The TLV320AIC23IPWG4 supports sampling frequencies from 8 kHz to 96 kHz.
- What are the typical SNR values for the ADC and DAC?
The typical SNR values are 90 dB for the ADC and 100 dB for the DAC, both A-weighted at 48 kHz.
- What is the voltage range for the analog and digital supplies?
The analog supply voltage range is 2.7 V to 3.6 V, and the digital supply voltage range is 1.42 V to 3.6 V.
- What serial interfaces are supported?
The TLV320AIC23IPWG4 supports I2C and SPI-compatible serial interfaces, as well as 2-wire compatibility.
- What is the operating temperature range?
The operating temperature range is -10°C to 70°C.
- What is the package type and size?
The component is packaged in a 28-TSSOP (0.173", 4.40mm Width).
- How does the internal oscillator work?
The internal oscillator works with a 12-MHz external crystal to provide system clocks at either 12 MHz or 6 MHz.
- What are the benefits of the MicroStar Junior package?
The MicroStar Junior package is the industry’s smallest, occupying only 25 mm^2 of board area, making it ideal for compact and cost-effective designs.
- What are some typical applications for the TLV320AIC23IPWG4?
Typical applications include portable audio players, smartphones, tablets, wireless headsets, and other battery-powered audio devices.
