Overview
The TLV320AIC10IPFB, produced by Texas Instruments, is a low-power mono voice band CODEC designed for high-resolution signal conversion between digital and analog domains. It utilizes oversampling sigma-delta technology to achieve high-quality analog-to-digital (A/D) and digital-to-analog (D/A) conversions. The device is particularly suited for various applications requiring low system cost and high performance, such as telephone hybrid interfaces, electret microphone preamps, and other general-purpose audio interfaces.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Conversion Rate (with on-chip FIR filter) | 22 ksps | |
| Conversion Rate (with FIR bypassed) | 88 ksps | |
| SNR (ADC, FIR bypassed at 88 ksps/5 V) | 90 dB | |
| SNR (DAC, FIR bypassed at 88 ksps/5 V) | 87 dB | |
| SNR (ADC, FIR bypassed at 88 ksps/3.3 V) | 87 dB | |
| SNR (DAC, FIR bypassed at 88 ksps/3.3 V) | 85 dB | |
| Analog Supply Voltage | 3 V to 5.5 V | V |
| Digital Supply Voltage | 3 V to 5.5 V | V |
| Power Dissipation (typical at 8 ksps, 3.3 V) | 39 mW | mW |
| Power-Down Mode | 0.5 mW | mW |
| Operating Temperature (Commercial) | 0°C to 70°C | °C |
| Operating Temperature (Industrial) | -40°C to 85°C | °C |
Key Features
- C54xx software driver available
- 16-bit oversampling sigma-delta A/D and D/A converters
- Built-in PGA, antialiasing analog filter, and operational amplifiers for general-purpose interfaces
- Glueless serial port interface to DSPs (TI TMS320Cxx, SPI, or standard DSPs)
- Automatic cascading detection (ACD) for up to 8 devices in cascade
- On-fly reconfiguration modes including secondary-communication mode and direct-configuration mode
- Continuous data-transfer mode for use with autobuffering (ABU) to reduce DSP interrupt service overhead
- Event-monitor mode for external-event control, such as RING/OFF-HOOK detection
- Programmable ADC and DAC conversion rate and gain control
- Separate software control for ADC and DAC power-down
- Differential and single-ended analog input/output
- 2s-complement data format
- Test mode including digital loopback and analog loopback
Applications
The TLV320AIC10IPFB is particularly suitable for a variety of applications, including:
- Hands-free car kits
- VOIP and cable modem systems
- Speech and telephony applications, including low-bit rate, high-quality compression, speech enhancement, recognition, and synthesis
- Single or multichannel active-control applications due to its low-group delay characteristic
Q & A
- What is the resolution of the TLV320AIC10IPFB's A/D and D/A converters?
The TLV320AIC10IPFB features 16-bit oversampling sigma-delta A/D and D/A converters.
- What are the maximum conversion rates of the TLV320AIC10IPFB?
The device can achieve a maximum conversion rate of 22 ksps with the on-chip FIR filter and 88 ksps with the FIR filter bypassed.
- What is the typical power dissipation of the TLV320AIC10IPFB at 8 ksps and 3.3 V?
The typical power dissipation is 39 mW.
- What are the operating temperature ranges for the TLV320AIC10IPFB?
The device operates from 0°C to 70°C for commercial use and from -40°C to 85°C for industrial use.
- Does the TLV320AIC10IPFB support cascade operation?
Yes, it supports cascade operation with up to 8 devices using automatic cascading detection (ACD).
- What types of interfaces does the TLV320AIC10IPFB support?
The device supports glueless serial port interfaces to DSPs, including TI TMS320Cxx, SPI, or standard DSPs.
- Can the TLV320AIC10IPFB be configured on the fly?
Yes, it supports on-fly reconfiguration modes including secondary-communication mode and direct-configuration mode.
- What is the purpose of the event-monitor mode in the TLV320AIC10IPFB?
The event-monitor mode allows the DSP to monitor external events like phone off-hook ring detection.
- Can the ADC and DAC be powered down separately in the TLV320AIC10IPFB?
Yes, the device allows separate software control for ADC and DAC power-down.
- What data format does the TLV320AIC10IPFB use?
The device uses 2s-complement data format.
- Does the TLV320AIC10IPFB have built-in test modes?
Yes, it includes test modes such as digital loopback and analog loopback.
