Overview
The TLV320AIC15IDBT, produced by Texas Instruments, is a highly integrated, low-power, 16-bit mono voice-band codec. This device is designed to optimize DSP performance with its advanced synchronous serial port in Time Division Multiplexed (TDM) format, known as SMARTDM. The TLV320AIC15 integrates critical functions necessary for most voice-band applications, including microphone preamplifiers, handset/headset preamplifiers, antialiasing filters, and programmable gain amplifiers. It is particularly suited for portable applications due to its low power consumption and flexible power management features.
Key Specifications
| Specification | Details |
|---|---|
| Package | 30-pin TSSOP (DBT) |
| Operating Temperature Range | -40°C to 85°C |
| Resolution | 16-bit |
| Sampling Rate | Up to 26 KSPS with on-chip IIR/FIR filter, up to 104 KSPS with IIR/FIR bypassed |
| SNR | 84 dB for ADC, 91 dB for DAC over 13-kHz bandwidth |
| Master Clock | Up to 100 MHz |
| Power Supply | 1.65 V - 1.95 V (digital core), 1.1 V - 3.6 V (digital I/O), 2.7 V - 3.6 V (analog) |
| Power Dissipation | 10 mW at 3 V in standard operation |
| Interface | SMARTDM, 2-wire I²C or S²C, 4-wire serial bus |
Key Features
- SMARTDM (Smart Time Division Multiplexed Serial Port) for optimized DSP performance
- 16-bit oversampling sigma-delta A/D and D/A converters
- Selectable FIR/IIR filters with bypassing option
- Programmable sampling rate and gain control
- Glueless 4-wire interface to DSP and microcontrollers
- Automatic Cascade Detection (ACD) for self-generated master/slave device addresses
- On-chip functions: sidetone, antialiasing filter (AAF), microphone amplifiers, power management
- Support for continuous data transfer mode and on-the-fly reconfiguration programming mode
- Turbo mode for maximizing bit clock rate
- Host port with 2-wire I²C or S²C interface
Applications
- Portable applications: wireless accessories, hands-free car kits
- VOIP and cable modem systems
- Speech processing and voice-band applications
- Single or multichannel active control applications due to low group delay
Q & A
- What is the primary function of the TLV320AIC15IDBT?
The TLV320AIC15IDBT is a low-power, highly integrated 16-bit mono voice-band codec designed for voice-band applications.
- What is the SMARTDM technology in the TLV320AIC15IDBT?
SMARTDM (Smart Time Division Multiplexed Serial Port) is a technology that optimizes DSP performance by maximizing the bandwidth of data transfer between the codec and the DSP.
- What are the power supply ranges for the TLV320AIC15IDBT?
The device operates with a digital core power supply of 1.65 V - 1.95 V, digital I/O of 1.1 V - 3.6 V, and analog power of 2.7 V - 3.6 V.
- What is the maximum sampling rate of the TLV320AIC15IDBT?
The maximum sampling rate is up to 26 KSPS with on-chip IIR/FIR filter and up to 104 KSPS with IIR/FIR bypassed.
- What is the SNR of the TLV320AIC15IDBT?
The SNR is 84 dB for the ADC and 91 dB for the DAC over a 13-kHz bandwidth.
- What interfaces does the TLV320AIC15IDBT support?
The device supports SMARTDM, 2-wire I²C or S²C, and a 4-wire serial bus.
- What power management features does the TLV320AIC15IDBT have?
The device includes hardware and software power-down modes, separate software control for ADC and DAC power down, and low power consumption of 10 mW at 3 V.
- What are some common applications of the TLV320AIC15IDBT?
Common applications include portable wireless accessories, hands-free car kits, VOIP systems, cable modems, and speech processing.
- How many codecs can be connected to a single serial port?
Up to 16 codecs can be connected to a single 4-wire serial bus.
- What is the operating temperature range of the TLV320AIC15IDBT?
The device operates from -40°C to 85°C.
