Overview
The AD9142BCPZ is a dual, 16-bit, high dynamic range digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the TxDAC+® series and is designed for direct conversion transmit applications. It offers a sample rate of up to 1600 MSPS, enabling the generation of multicarrier signals up to the Nyquist frequency. The AD9142BCPZ is optimized for use in wireless communications, wideband communications, and various other high-performance applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 16 | |
| Number of D/A Converters | 2 | |
| Sample Rate | Up to 1600 | MSPS |
| Settling Time | 20 ns (Typ) | |
| Output Type | Current - Unbuffered | |
| Differential Output | Yes | |
| Data Interface | LVDS - Parallel | |
| Reference Type | External, Internal | |
| Voltage - Supply, Analog | 3.13 V ~ 3.47 V | |
| Voltage - Supply, Digital | 1.7 V ~ 1.9 V | |
| INL/DNL (LSB) | ±3.7, ±2.1 | |
| Architecture | Oversampling Interpolating DAC | |
| Package | 72-VFQFN Exposed Pad, CSP | |
| Full-scale Output Current Range | 9 mA to 33 mA |
Key Features
- Advanced low spurious and distortion design techniques for high-quality synthesis of wideband signals.
- Very small inherent latency variation, simplifying software and hardware design and enabling easy multichip synchronization.
- New low power architecture, improving power efficiency by 30%.
- Input signal power and FIFO error detection for downstream analog circuitry protection.
- Programmable transmit enable function for balancing power consumption and wakeup time.
- Selectable 2×, 4×, 8× interpolation filter and digital gain and phase adjustment for sideband suppression.
- Digital inverse sinc filter and on-chip numeric control oscillator for carrier placement anywhere in the DAC Nyquist bandwidth.
- High performance, low noise PLL clock multiplier.
- Emergency stop for downstream analog circuitry protection.
Applications
- Wireless communications: 3G/4G and MC-GSM base stations, wideband repeaters, software-defined radios.
- Wideband communications: point-to-point, LMDS/MMDS.
- Transmit diversity/MIMO.
- Instrumentation.
- Automated test equipment.
Q & A
- What is the sample rate of the AD9142BCPZ?
The AD9142BCPZ has a sample rate of up to 1600 MSPS.
- How many D/A converters does the AD9142BCPZ have?
The AD9142BCPZ has 2 D/A converters.
- What is the output type of the AD9142BCPZ?
The output type is current - unbuffered.
- Does the AD9142BCPZ support differential output?
- What is the data interface of the AD9142BCPZ?
The data interface is LVDS - Parallel.
- What are the typical applications of the AD9142BCPZ?
The AD9142BCPZ is typically used in wireless communications, wideband communications, transmit diversity/MIMO, instrumentation, and automated test equipment.
- What is the package type of the AD9142BCPZ?
The package type is 72-VFQFN Exposed Pad, CSP.
- What is the range of full-scale output current for the AD9142BCPZ?
The full-scale output current can be programmed over a range of 9 mA to 33 mA.
- Does the AD9142BCPZ have power-saving features?
- How does the AD9142BCPZ protect downstream analog circuitry?
The AD9142BCPZ includes input signal power detection and FIFO error detection for protecting downstream analog circuitry.
