Overview
The TLV320AIC14IDBTG4, produced by Texas Instruments, is a low-power, high-integrated, and high-performance mono voice band CODEC. This device is designed for various voice-band applications, including wireless accessories, hands-free car kits, VOIP, cable modems, and speech processing. It features advanced signal conversion using oversampling sigma-delta technology and supports both commercial and industrial operating temperatures.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TLV320AIC14IDBTG4 |
| Resolution (Bits) | 16-bit |
| Sampling Rate | Up to 26 KSPS with on-chip IIR/FIR filter, up to 104 KSPS with IIR/FIR bypassed |
| S/N Ratio, ADCs/DACs (dB) Typ | 84 / 92 |
| Dynamic Range, ADCs/DACs (dB) Typ | 85 / 92 |
| Voltage - Supply, Analog | 2.7 V ~ 3.6 V |
| Voltage - Supply, Digital | 1.65 V ~ 1.95 V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 30-TSSOP (0.173", 4.40mm Width) |
| Data Interface | Serial |
| Mounting Type | Surface Mount |
Key Features
- 16-bit oversampling sigma-delta A/D and D/A converters
- Selectable FIR/IIR filter with bypassing option
- Smart Time Division Multiplexed Serial Port (SMARTDM) for glueless interface to DSPs and microcontrollers
- Support for up to 16 codecs on a single 4-wire serial bus
- Programmable sampling rate and filter options
- On-chip MIC preamp, handset/headset preamps, antialiasing filter (AAF), and input/output programmable gain amplifier (PGA)
- Extensive power management including device power-down and independent software control for ADC, DAC, op-amps, and IIR/FIR filter
- Low power consumption: 10 mW at 3 V
- Host port with 2-wire interface (I2C or simple S2C protocol)
Applications
- Wireless accessories
- Hands-free car kits
- VOIP and cable modems
- Speech processing
- Portable applications requiring low power and high performance
- Single or multichannel active control applications due to low group delay
Q & A
- What is the TLV320AIC14IDBTG4?
The TLV320AIC14IDBTG4 is a low-power, high-integrated, and high-performance mono voice band CODEC produced by Texas Instruments.
- What are the key features of the TLV320AIC14IDBTG4?
Key features include 16-bit oversampling sigma-delta A/D and D/A converters, SMARTDM serial port, selectable FIR/IIR filters, and extensive power management.
- What is the operating temperature range of the TLV320AIC14IDBTG4?
The device operates from -40°C to 85°C.
- What is the power consumption of the TLV320AIC14IDBTG4?
The device consumes only 10 mW at 3 V.
- What types of applications is the TLV320AIC14IDBTG4 suitable for?
Suitable applications include wireless accessories, hands-free car kits, VOIP, cable modems, speech processing, and portable devices requiring low power and high performance.
- How many codecs can be connected to a single serial port using SMARTDM?
Up to 16 codecs can be connected to a single 4-wire serial bus.
- What is the resolution of the A/D and D/A converters in the TLV320AIC14IDBTG4?
The resolution is 16 bits for both A/D and D/A converters.
- What is the typical S/N ratio for the ADC and DAC in the TLV320AIC14IDBTG4?
The typical S/N ratio is 84 dB for ADC and 92 dB for DAC.
- What is the package type of the TLV320AIC14IDBTG4?
The package type is 30-TSSOP (0.173", 4.40mm Width).
- Is the TLV320AIC14IDBTG4 RoHS compliant?
Yes, the TLV320AIC14IDBTG4 is RoHS compliant.
