Overview
The AD9704BCPZRL7 is a high-performance, 8-bit digital-to-analog converter (DAC) from Analog Devices Inc., part of the TxDAC series. This device is optimized for low power operation while maintaining excellent dynamic performance, making it suitable for various communication systems and low-power applications. The AD9704 is pin-compatible with the AD9748/AD9740/AD9742/AD9744 family of TxDAC converters and offers a flexible power supply operating range of 1.7 V to 3.6 V.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Resolution | - | 8 bits | - | - |
| Update Rate | MSPS | - | 175 | - |
| Digital Supply Current (IDVDD) | mA | 5.4 | 6.6 | - |
| Clock Supply Current (ICLKVDD) | mA | 4.1 | 4.7 | - |
| Power Dissipation | mW | 45.5 | 57 | - |
| Supply Current Sleep Mode (IAVDD) | mA | 0.37 | 0.4 | - |
| Supply Current Power-Down Mode (IAVDD) | µA | 0.7 | 7.5 | - |
| Logic 1 Voltage | V | 2.1 | 3 | - |
| Logic 0 Voltage | V | 0 | 0.9 | - |
| Input Capacitance | pF | 5 | - | - |
| Input Setup Time, tS, +25°C | ns | 1.4 | - | - |
| Input Hold Time, tH, +25°C | ns | 0.3 | - | - |
Key Features
- High Performance: The AD9704 offers exceptional AC and DC performance, supporting update rates up to 175 MSPS.
- Low Power Operation: The device has a low power dissipation, with a flexible power supply operating range of 1.7 V to 3.6 V. Power dissipation can be reduced to 15 mW by lowering the full-scale current output.
- Power-Down Mode: A power-down mode reduces the standby power dissipation to approximately 2.2 mW.
- Adjustable Output and Common-Mode: The device features an adjustable full-scale current output from 1 mA to 5 mA and a common-mode output adjustable from 0 V to 1.2 V.
- Serial Peripheral Interface (SPI): An optional SPI interface provides higher programmability to enhance DAC performance.
- Integrated Reference and Latches: A 1.0 V temperature-compensated band gap reference and edge-triggered input latches are integrated for a complete monolithic DAC solution.
- Compact Package: The device is packaged in a 32-lead LFCSP (5mm x 5mm with EP), which is RoHS compliant.
Applications
- Communication Systems: The AD9704 is specifically optimized for the transmit signal path of communication systems, making it ideal for wireless infrastructure, base stations, and other communication equipment.
- Portable and Low Power Applications: The low power dissipation and flexible power supply range make it suitable for portable devices and other low-power applications.
- Industrial and Medical Devices: The high performance and reliability of the AD9704 also make it a good fit for industrial and medical devices that require precise analog output.
Q & A
- What is the resolution of the AD9704BCPZRL7?
The AD9704BCPZRL7 has an 8-bit resolution.
- What is the maximum update rate of the AD9704BCPZRL7?
The maximum update rate is 175 MSPS.
- What is the power supply operating range of the AD9704BCPZRL7?
The power supply operating range is from 1.7 V to 3.6 V.
- How much power does the AD9704BCPZRL7 consume in power-down mode?
In power-down mode, the device consumes approximately 2.2 mW.
- Does the AD9704BCPZRL7 have an integrated reference?
Yes, it has a 1.0 V temperature-compensated band gap reference.
- What is the package type of the AD9704BCPZRL7?
The device is packaged in a 32-lead LFCSP (5mm x 5mm with EP), which is RoHS compliant.
- Is the AD9704BCPZRL7 compatible with other TxDAC converters?
Yes, it is pin-compatible with the AD9748/AD9740/AD9742/AD9744 family of TxDAC converters.
- What is the common-mode output range of the AD9704BCPZRL7?
The common-mode output is adjustable from 0 V to 1.2 V.
- Does the AD9704BCPZRL7 support SPI interface?
Yes, it has an optional serial peripheral interface (SPI) for higher programmability.
- What are the typical applications of the AD9704BCPZRL7?
The device is typically used in communication systems, portable devices, and other low-power applications.
