Overview
The TLV320AIC10IPFBG4, produced by Texas Instruments, is a general-purpose 16-bit DSP 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. This device is particularly suited for various applications requiring low system cost and high performance, such as hands-free car kits, VOIP, cable modems, and telephony systems.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 16-bit |
| Conversion Rate | Up to 22 ksps with on-chip FIR filter, up to 88 ksps with FIR bypassed |
| Signal-to-Noise Ratio (SNR) | 90-dB SNR/ADC and 87-dB SNR/DAC with DSP's FIR (FIR bypassed at 88 ksps/5 V) |
| Supply Voltage | Analog: 3 V to 5.5 V, Digital: 3 V to 5.5 V |
| Power Dissipation | 39 mW typical at 8 ksps and 3.3 V, 0.5 mW in hardware power-down mode |
| Operating Temperature | Commercial: 0°C to 70°C, Industrial: –40°C to 85°C |
| Interface | Glueless serial port interface to DSPs (TI TMS320Cxx, SPI, or standard DSPs) |
Key Features
- 16-bit oversampling sigma-delta A/D and D/A converters
- Built-in functions including PGA, antialiasing analog filter, and operational amplifiers
- Automatic cascading detection (ACD) for up to 8 devices in cascade
- Continuous data-transfer mode supporting TI’s DSP autobuffering (ABU)
- Event-monitor mode for external-event control (e.g., RING/OFF-HOOK detection)
- Programmable ADC and DAC conversion rates 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 TLV320AIC10IPFBG4 is suitable for a variety of applications, including:
- Hands-free car kits
- VOIP and cable modems
- Telephony systems, 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 TLV320AIC10IPFBG4?
The TLV320AIC10IPFBG4 has a 16-bit resolution for both A/D and D/A conversions.
- What are the maximum conversion rates of the TLV320AIC10IPFBG4?
The device can convert data at up to 22 ksps with the on-chip FIR filter and up to 88 ksps with the FIR filter bypassed.
- What is the signal-to-noise ratio (SNR) of the TLV320AIC10IPFBG4?
The SNR is 90-dB for ADC and 87-dB for DAC with DSP's FIR (FIR bypassed at 88 ksps/5 V).
- What are the supply voltage ranges for the TLV320AIC10IPFBG4?
The device operates with analog and digital supply voltages ranging from 3 V to 5.5 V.
- How much power does the TLV320AIC10IPFBG4 consume?
The device consumes 39 mW typical at 8 ksps and 3.3 V, and 0.5 mW in hardware power-down mode.
- What is the operating temperature range of the TLV320AIC10IPFBG4?
The device operates from 0°C to 70°C for commercial use and from –40°C to 85°C for industrial use.
- What interface does the TLV320AIC10IPFBG4 support?
The device supports a glueless serial port interface to DSPs (TI TMS320Cxx, SPI, or standard DSPs).
- Does the TLV320AIC10IPFBG4 support cascading?
Yes, it supports automatic cascading detection (ACD) for up to 8 devices in cascade.
- What is the purpose of the event-monitor mode in the TLV320AIC10IPFBG4?
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?
Yes, the TLV320AIC10IPFBG4 allows separate software control for ADC and DAC power-down.
