Overview
The TLV320AIC14KIDBT, produced by Texas Instruments, is a low-power, highly-integrated, 16-bit mono voice codec. This device is designed to provide high-resolution signal conversion using oversampling sigma-delta technology. It features a smart time division multiplexed serial port (SMARTDM) for efficient data transfer and is optimized for use in various voice-band applications. The TLV320AIC14KIDBT integrates critical functions such as microphone preamplifiers, handset/headset amplifiers, antialiasing filters, and programmable gain amplifiers, making it suitable for portable and low-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sampling Rate | Up to 26 KSPS with IIR/FIR filter, up to 104 KSPS with IIR/FIR bypassed |
| Signal-to-Noise Ratio (SNR) | 84 dB for ADC, 92 dB for DAC with on-chip FIR |
| Master Clock | Up to 100 MHz |
| Analog Supply Voltage | 2.7 V to 3.6 V |
| Digital Core Supply Voltage | 1.65 V to 1.95 V |
| Digital I/O Supply Voltage | 1.1 V to 3.6 V |
| Power Dissipation | 11.2 mW at 3.3 V in standard operation, 17.8 mW with headphone drivers |
| Operating Temperature | -40°C to 85°C (industrial), 0°C to 70°C (commercial) |
| Package | 30-TFSOP (0.173", 4.40mm Width) |
Key Features
- 16-bit oversampling sigma-delta A/D and D/A converters
- Selectable FIR/IIR filters with bypassing option
- Smart Time Division Multiplexed (SMARTDM) serial port for glueless interface to DSPs and microcontrollers
- Automatic Cascade Detection (ACD) for self-generated master/slave device addresses
- Programming mode for on-the-fly reconfiguration and continuous data transfer mode
- Turbo mode to maximize bit clock for faster data transfer
- Supports up to 16 devices on a single serial port
- Flexible host port with 2-wire interface (I2C or S2C)
- Built-in analog functions: MIC preamp, handset/headset preamps, antialiasing filter (AAF), input/output programmable gain amplifier (PGA)
- Extensive power management with hardware/software power-down modes
Applications
- Digital still cameras
- Wireless accessories
- Hands-free car kits
- VOIP
- Cable modems
- Speech processing and single or multichannel active control applications
Q & A
- What is the resolution of the TLV320AIC14KIDBT?
The TLV320AIC14KIDBT has a resolution of 16 bits.
- What are the sampling rates supported by the TLV320AIC14KIDBT?
The device supports sampling rates up to 26 KSPS with the IIR/FIR filter and up to 104 KSPS with the IIR/FIR filter bypassed.
- What is the signal-to-noise ratio (SNR) of the TLV320AIC14KIDBT?
The SNR is 84 dB for the ADC and 92 dB for the DAC with the on-chip FIR filter.
- What is the maximum master clock frequency supported by the TLV320AIC14KIDBT?
The maximum master clock frequency is up to 100 MHz.
- What are the power supply voltage ranges for the TLV320AIC14KIDBT?
The analog supply voltage range is 2.7 V to 3.6 V, the digital core supply voltage range is 1.65 V to 1.95 V, and the digital I/O supply voltage range is 1.1 V to 3.6 V.
- How much power does the TLV320AIC14KIDBT consume?
The device consumes 11.2 mW at 3.3 V in standard operation and 17.8 mW with headphone drivers.
- What is the operating temperature range for the TLV320AIC14KIDBT?
The operating temperature range is -40°C to 85°C for industrial operation and 0°C to 70°C for commercial operation.
- What package type is the TLV320AIC14KIDBT available in?
The device is available in a 30-TFSOP package (0.173", 4.40mm Width).
- What are some of the key applications of the TLV320AIC14KIDBT?
Key applications include digital still cameras, wireless accessories, hands-free car kits, VOIP, cable modems, and speech processing.
- Does the TLV320AIC14KIDBT support multiple devices on a single serial port?
Yes, it supports up to 16 devices on a single serial port using the SMARTDM technology.
