Overview
The TLV320AIC10CPFB is a low-power, mono voice band CODEC (Coder-Decoder) produced by Texas Instruments. This device utilizes 16-bit oversampling sigma-delta technology for high-resolution analog-to-digital (A/D) and digital-to-analog (D/A) signal conversion. It is designed to support a wide range of applications, including hands-free car kits, VOIP, cable modems, speech enhancement, recognition, and synthesis. The TLV320AIC10CPFB features built-in functions such as programmable gain amplifiers (PGA), antialiasing analog filters, and operational amplifiers, making it versatile for various general-purpose interfaces like microphone preamps and telephone hybrid interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | TQFP (PFB) |
| Pins | 48 |
| Operating Temperature Range (°C) | 0 to 70 (Commercial), -40 to 85 (Industrial) |
| Analog Supply Voltage (V) | 3.0 to 5.5 |
| Digital Supply Voltage (V) | 3.0 to 5.5 |
| ADC Resolution | 16-bit |
| DAC Resolution | 16-bit |
| Maximum Output Conversion Rate | 22 ksps with FIR filter, 88 ksps with FIR bypassed |
| SNR (ADC/DAC) | 90 dB / 87 dB (FIR, 5 V), 87 dB / 85 dB (FIR bypassed, 3.3 V) |
| Power Dissipation (typical at 8 ksps, 3.3 V) | 39 mW |
| Hardware Power-Down Mode | 0.5 mW |
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
- 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: 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 (e.g., 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
- Test mode including digital loopback and analog loopback
Applications
The TLV320AIC10CPFB is particularly suitable for various applications including:
- Hands-free car kits
- VOIP (Voice over Internet Protocol)
- Cable modems
- Speech enhancement, recognition, and synthesis
- Telephony area including low-bit rate, high-quality compression
- Single or multichannel active-control applications due to its low-group delay characteristic
Q & A
- What is the TLV320AIC10CPFB?
The TLV320AIC10CPFB is a low-power, mono voice band CODEC produced by Texas Instruments, using 16-bit oversampling sigma-delta technology for A/D and D/A signal conversion.
- What are the key features of the TLV320AIC10CPFB?
Key features include 16-bit oversampling sigma-delta converters, built-in PGA and filters, glueless serial port interface, automatic cascading detection, and programmable conversion rates and gain control.
- What are the operating temperature ranges for the TLV320AIC10CPFB?
The device operates from 0°C to 70°C for commercial use and from -40°C to 85°C for industrial use.
- What is the power dissipation of the TLV320AIC10CPFB at 8 ksps and 3.3 V?
The power dissipation is typically 39 mW at 8 ksps and 3.3 V.
- Can the TLV320AIC10CPFB be used in cascade operations?
- What types of interfaces does the TLV320AIC10CPFB support?
The device supports glueless serial port interfaces to DSPs (TI TMS320Cxx, SPI, or standard DSPs) and includes direct-configuration mode for host interface.
- What is the SNR of the TLV320AIC10CPFB?
The SNR is 90 dB for ADC and 87 dB for DAC with FIR filter at 5 V, and 87 dB for ADC and 85 dB for DAC with FIR bypassed at 3.3 V.
- What are some common applications of the TLV320AIC10CPFB?
- Does the TLV320AIC10CPFB support power-down modes?
- What is the maximum output conversion rate of the TLV320AIC10CPFB?
