Overview
The UDA1345TS/N2,118 is an economy audio CODEC (Coder-Decoder) produced by NXP USA Inc. This single-chip device integrates both a stereo Analog-to-Digital Converter (ADC) and a Digital-to-Analog Converter (DAC) with advanced signal processing features. It is designed for low power consumption and operates within a 2.4 to 3.6 V power supply range, with a typical voltage of 3.0 V. The device is 5 V tolerant for TTL compatible digital inputs and supports various sampling frequencies from 8 to 100 kHz.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| ADC Analog Supply Voltage (VDDA(ADC)) | 2.4 | 3.0 | 3.6 | V |
| DAC Analog Supply Voltage (VDDA(DAC)) | 2.4 | 3.0 | 3.6 | V |
| Digital Supply Voltage (VDDD) | 2.4 | 3.0 | 3.6 | V |
| ADC Analog Supply Current (IDDA(ADC)) - Operating Mode | - | 10 | 14 | mA |
| ADC Analog Supply Current (IDDA(ADC)) - Power Down | - | 600 | 800 | μA |
| DAC Analog Supply Current (IDDA(DAC)) - Operating Mode | - | 4 | 7.0 | mA |
| DAC Operational Amplifier Supply Current (IDDO(DAC)) - Operating Mode | - | 2.0 | 3.0 | mA |
| System Clock Frequencies | 256, 384, 512 fs | - | - | - |
| ADC Input Signal | - | 2 V (RMS) | - | - |
Key Features
- Low power consumption with separate power control for ADC and DAC.
- Supports sampling frequencies from 8 to 100 kHz.
- Non-inverting ADC with integrated high-pass filter to cancel DC offset.
- Overload detector for easy record level control.
- Integrated digital interpolation filter and non-inverting DAC.
- Functions controllable via L3 microcontroller interface or static pins.
- I2S-bus compatible with MSB-justified up to 24 bits and LSB-justified 16, 18, and 20 bits format.
- Small package size (SSOP28).
- Pin and function compatible with the UDA1344TS.
Applications
The UDA1345TS/N2,118 is suitable for various audio applications requiring high-quality analog-to-digital and digital-to-analog conversion. These include portable audio devices, home audio systems, automotive audio systems, and other consumer electronics where efficient and reliable audio processing is necessary.
Q & A
- What is the typical operating voltage of the UDA1345TS/N2,118?
The typical operating voltage is 3.0 V, with a range of 2.4 to 3.6 V. - What are the supported system clock frequencies?
The device supports system clock frequencies of 256, 384, and 512 fs. - What is the maximum ADC input signal?
The maximum ADC input signal is 2 V (RMS). - Does the UDA1345TS/N2,118 have an integrated high-pass filter?
Yes, it has a non-inverting ADC with an integrated high-pass filter to cancel DC offset. - How is the device controlled?
The device can be controlled either by an L3 microcontroller interface or via static pins. - What is the package type of the UDA1345TS/N2,118?
The package type is SSOP28. - Is the UDA1345TS/N2,118 compatible with other NXP devices?
Yes, it is pin and function compatible with the UDA1344TS. - What are the environmental compliance statuses of the UDA1345TS/N2,118?
The device is PbFree, EU RoHS compliant, and halogen-free, with a REACH SVHC indicator of 'D'. - What are some typical applications of the UDA1345TS/N2,118?
Typical applications include portable audio devices, home audio systems, automotive audio systems, and other consumer electronics requiring high-quality audio processing. - Is the UDA1345TS/N2,118 still in production?
No, the UDA1345TS/N2,118 is no longer manufactured.
