Overview
The AD9139BCPZ is a 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 to provide a maximum update rate of 1600 MSPS, enabling multicarrier generation up to the Nyquist frequency. It is optimized for wideband communication applications, featuring advanced low spurious and distortion design techniques, and a high-speed interface with sample error and parity detection.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 16 |
| Sample Rate | Up to 1600 MSPS |
| Input Signal Bandwidth | Up to 575 MHz |
| Output Type | Current - Unbuffered |
| Differential Output | Yes |
| Data Interface | LVDS - Parallel |
| Reference Type | External, Internal |
| Analog Supply Voltage | 3.13 V ~ 3.47 V |
| Digital Supply Voltage | 1.7 V ~ 1.9 V |
| Integral Nonlinearity (INL) | ±3.7 LSB |
| Differential Nonlinearity (DNL) | ±2.1 LSB |
| Settling Time | 20 ns (Typ) |
| Operating Temperature | -40°C ~ 85°C |
| Package | 72-lead LFCSP |
Key Features
- Selectable 1× or 2× interpolation filter
- Support for input signal bandwidth up to 575 MHz
- Very small inherent latency variation: <2 DAC clock cycles
- Proprietary low spurious and distortion design
- Flexible 16-bit LVDS interface with word and byte load capabilities
- Multiple chip synchronization with fixed latency and data generator latency compensation
- FIFO with error detection to ease system timing
- High performance, low noise PLL clock multiplier
- Digital inverse sinc filter
- Low power consumption: 700 mW at 1230 MSPS
- Programmable full-scale output current from 9 mA to 33 mA
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 maximum sample rate of the AD9139BCPZ?
The AD9139BCPZ has a maximum sample rate of 1600 MSPS.
- What is the input signal bandwidth supported by the AD9139BCPZ?
The AD9139BCPZ supports input signal bandwidth up to 575 MHz.
- What type of interface does the AD9139BCPZ use for data transfer?
The AD9139BCPZ uses a flexible 16-bit LVDS interface.
- How does the AD9139BCPZ manage latency?
The AD9139BCPZ has very small inherent latency variation of less than 2 DAC clock cycles, which simplifies both software and hardware design.
- What is the power consumption of the AD9139BCPZ at 1230 MSPS?
The AD9139BCPZ consumes 700 mW of power at 1230 MSPS.
- Can the full-scale output current of the AD9139BCPZ be programmed?
Yes, the full-scale output current of the AD9139BCPZ can be programmed over a range of 9 mA to 33 mA.
- What package type is the AD9139BCPZ available in?
The AD9139BCPZ is available in a 72-lead LFCSP package.
- What are some of the key applications of the AD9139BCPZ?
The AD9139BCPZ is used in wireless communications, wideband communications, transmit diversity/MIMO, instrumentation, and automated test equipment.
- Does the AD9139BCPZ support multiple chip synchronization?
Yes, the AD9139BCPZ supports multiple chip synchronization with fixed latency and data generator latency compensation.
- What is the operating temperature range of the AD9139BCPZ?
The operating temperature range of the AD9139BCPZ is -40°C to 85°C.
