Overview
The AD9707BCPZ is a 14-bit, high-performance, CMOS digital-to-analog converter (DAC) from Analog Devices Inc. It is part of the fourth-generation TxDAC series, which includes the AD9704, AD9705, and AD9706 models. This family is optimized for low power operation while maintaining excellent dynamic performance, making it suitable for the transmit signal path of communication systems.
The AD9707BCPZ is pin-compatible with the AD9748/AD9740/AD9742/AD9744 family of TxDAC converters, offering a flexible upgrade or downgrade path based on performance, resolution, and cost. The device operates on a single supply voltage ranging from 1.7 V to 3.6 V and supports update rates up to 175 MSPS.
Key Specifications
| Parameter | AD9707 | Unit |
|---|---|---|
| Resolution | 14-bit | |
| Update Rate | Up to 175 MSPS | |
| Supply Voltage | 1.7 V to 3.6 V | V |
| Power Dissipation (at 3.3 V) | 50 mW | mW |
| Power Dissipation (at 1.8 V) | 12 mW | mW |
| Power-Down Mode | < 2 mW | mW |
| Full-Scale Current Output | 1 mA to 5 mA | mA |
| SFDR to Nyquist (at 5 MHz output) | 84 dBc | dBc |
| Package | 32-Lead LFCSP (5mm x 5mm w/ EP) | |
| Operating Temperature | -40°C to +85°C | °C |
Key Features
- Low Power Operation: The AD9707BCPZ operates with low power dissipation, consuming 50 mW at 3.3 V and 12 mW at 1.8 V, with the option to reduce power further by lowering the full-scale current output.
- High Dynamic Performance: The device offers excellent dynamic performance, including a high SFDR to Nyquist (up to 84 dBc at 5 MHz output) and adjustable full-scale current outputs from 1 mA to 5 mA.
- Flexible Power Supply: It supports a wide supply voltage range of 1.7 V to 3.6 V, making it suitable for various applications.
- Self-Calibration: The AD9707BCPZ features self-calibration, enabling true 14-bit INL and DNL performance.
- Programmability: An optional serial peripheral interface (SPI) provides full programmability to enhance the DAC's performance.
- Adjustable Output Common Mode: The device allows for adjustable output common mode from 0 V to 1.2 V, facilitating easy interfacing with other components.
- Power-Down Mode: A power-down mode reduces standby power dissipation to approximately 2.2 mW.
- CMOS-Compatible Digital Interface: The digital inputs support 1.8 V and 3.3 V CMOS logic families.
Applications
- Communication Systems: The AD9707BCPZ is specifically optimized for the transmit signal path of communication systems, including wireless base stations, microwave radios, and other high-performance communication equipment.
- Portable and Low Power Devices: Its low power dissipation and flexible power supply make it well-suited for portable and low power applications.
- Industrial and Medical Equipment: The device's high dynamic performance and reliability also make it suitable for use in industrial and medical equipment.
Q & A
- What is the resolution of the AD9707BCPZ?
The AD9707BCPZ has a resolution of 14 bits.
- What is the maximum update rate of the AD9707BCPZ?
The maximum update rate is up to 175 MSPS.
- What is the supply voltage range for the AD9707BCPZ?
The supply voltage range is from 1.7 V to 3.6 V.
- How much power does the AD9707BCPZ consume at 3.3 V?
It consumes approximately 50 mW at 3.3 V.
- What is the power dissipation in power-down mode?
The power dissipation in power-down mode is approximately 2.2 mW.
- What is the range of full-scale current output for the AD9707BCPZ?
The full-scale current output can be adjusted from 1 mA to 5 mA.
- Does the AD9707BCPZ support self-calibration?
Yes, the AD9707BCPZ features self-calibration for true 14-bit INL and DNL performance.
- What type of digital interface does the AD9707BCPZ support?
The device supports 1.8 V and 3.3 V CMOS logic families.
- Is the AD9707BCPZ RoHS compliant?
Yes, the AD9707BCPZ is RoHS compliant.
- What is the package type for the AD9707BCPZ?
The package type is a 32-Lead LFCSP (5mm x 5mm w/ EP).
