Overview
The DAC5674IPHPG4 is a 14-bit resolution high-speed digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed for high-speed digital data transmission in wired and wireless communication systems, as well as for high-frequency direct-digital synthesis (DDS) and waveform reconstruction in test and measurement applications. It features an integrated 4x-interpolation filter, an on-board clock multiplier, and an on-chip voltage reference, making it highly versatile for various communication and measurement tasks.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14-bit |
| Maximum Input Data Rate | 200 MSPS |
| Maximum Update Rate DAC | 400 MSPS |
| SFDR Over Full First Nyquist Zone | 76 dBc at 21 MHz |
| ACPR W-CDMA at 15.36 MHz IF | 74 dBc |
| ACPR W-CDMA at 30.72 MHz IF | 69 dBc |
| Interpolation Filter | Selectable 2x or 4x |
| Passband Ripple | 0.05 dB |
| Stopband Attenuation | 80 dB |
| Stopband Transition | 0.4-0.6 Fdata |
| Clock Multiplier | On-chip 2x/4x PLL, PLL Bypass Mode |
| Output Current Range | 2 mA to 20 mA |
| On-Chip Reference Voltage | 1.2 V |
| Supply Voltages | 1.8 V Digital, 3.3 V Analog |
| Interface Compatibility | 1.8/3.3-V CMOS Compatible |
| Power Dissipation at 400 MSPS | 435 mW |
| Package Type | 48-Pin HTQFP |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Integrated 4x-interpolation filter with selectable 2x or 4x mode and linear phase response.
- On-board clock multiplier with 2x/4x PLL and PLL bypass mode.
- Differential scalable current outputs from 2 mA to 20 mA.
- On-chip 1.2-V temperature-compensated bandgap reference.
- 1.8-V digital and 3.3-V analog supply operation with 1.8/3.3-V CMOS compatible interface.
- Low passband ripple of 0.05 dB and high stopband attenuation of 80 dB.
- Configurable interpolation filters in either low-pass or high-pass mode.
- SLEEP mode for reduced standby power consumption.
Applications
- Cellular Base Transceiver Station Transmit Channel.
- CDMA: W-CDMA, CDMA2000, IS-95.
- TDMA: GSM, IS-136, EDGE/UWC-136.
- Test and Measurement: Arbitrary Waveform Generation and Direct Digital Synthesis (DDS).
- Cable Modem Termination System.
Q & A
- What is the resolution of the DAC5674IPHPG4?
The DAC5674IPHPG4 has a 14-bit resolution. - What is the maximum input data rate of the DAC5674IPHPG4?
The maximum input data rate is 200 MSPS. - What is the maximum update rate of the DAC5674IPHPG4?
The maximum update rate is 400 MSPS. - What type of interpolation filter does the DAC5674IPHPG4 have?
The DAC5674IPHPG4 has a selectable 2x or 4x interpolation filter. - What is the power dissipation of the DAC5674IPHPG4 at 400 MSPS?
The power dissipation is 435 mW at 400 MSPS. - What are the supply voltages for the DAC5674IPHPG4?
The device operates with 1.8-V digital and 3.3-V analog supply voltages. - What is the operating temperature range of the DAC5674IPHPG4?
The operating temperature range is -40°C to 85°C. - What type of package does the DAC5674IPHPG4 come in?
The device is packaged in a 48-Pin HTQFP. - Can the DAC5674IPHPG4 be used in cellular base transceiver stations?
Yes, it is suitable for cellular base transceiver station transmit channels. - Does the DAC5674IPHPG4 support DDS and arbitrary waveform generation?
Yes, it supports direct digital synthesis (DDS) and arbitrary waveform generation in test and measurement applications.
