Overview
The AD5304BRM-REEL7 is a quad 8-bit buffered voltage output Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This device is part of the AD5304/AD5314/AD5324 family, which offers resolutions of 8, 10, and 12 bits, respectively. The AD5304BRM-REEL7 operates from a single supply voltage ranging from 2.5 V to 5.5 V and features four output buffer amplifiers, each providing rail-to-rail output swing. The device is written to via a 3-wire serial interface and supports programmable power-down modes for all DACs.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage | 2.5 | 5.5 | V | ||
| Resolution | 8 | Bits | |||
| Output Voltage Settling Time | 6 | 8 | µs | ¼ scale to ¾ scale change (0x40 to 0xC0) | |
| Slew Rate | 0.7 | V/µs | |||
| Digital Feedthrough | 1 | nV-sec | |||
| DAC-to-DAC Crosstalk | 3 | nV-sec | |||
| Multiplying Bandwidth | 200 | kHz | VREF = 2 V ± 0.1 V p-p | ||
| Total Harmonic Distortion | -70 | dB | VREF = 2.5 V ± 0.1 V p-p; frequency = 10 kHz | ||
| Power Consumption (Normal Mode) | 500 | µA | DAC active and excluding load current |
Key Features
- Quad 8-bit DACs: Each device contains four independent DACs with 8-bit resolution.
- Single Supply Operation: Operates from a single supply voltage ranging from 2.5 V to 5.5 V.
- Rail-to-Rail Output: The output buffer amplifiers provide rail-to-rail output swing.
- 3-Wire Serial Interface: Data is written to the device via a 3-wire serial interface with clock speeds up to 30 MHz.
- Programmable Power-Down Modes: All DACs can be turned off completely with a high impedance output.
- Low Power Consumption: Typical current consumption of 500 µA in normal mode, excluding load current.
- Compact Packaging: Available in 10-lead MSOP and 10-lead LFCSP packages.
Applications
- Industrial Automation and Control: Suitable for applications requiring precise analog output control.
- Medical Devices: Ideal for medical equipment that demands high accuracy and reliability.
- Audio Equipment: Can be used in audio applications where fast settling times and low distortion are critical.
- Power Management Systems: Useful in power management solutions where multiple DC sources are required.
Q & A
- What is the resolution of the AD5304BRM-REEL7 DAC?
The AD5304BRM-REEL7 has a resolution of 8 bits.
- What is the operating voltage range of the AD5304BRM-REEL7?
The device operates from a single supply voltage ranging from 2.5 V to 5.5 V.
- How many DACs are included in the AD5304BRM-REEL7?
The device contains four independent DACs.
- What is the output voltage settling time of the AD5304BRM-REEL7?
The output voltage settling time is typically 8 µs for a ¼ scale to ¾ scale change.
- What is the slew rate of the output buffer amplifiers?
The slew rate is 0.7 V/µs.
- How is data written to the AD5304BRM-REEL7?
Data is written via a 3-wire serial interface with clock speeds up to 30 MHz.
- Does the AD5304BRM-REEL7 support power-down modes?
Yes, the device supports programmable power-down modes for all DACs.
- What is the typical power consumption of the AD5304BRM-REEL7?
The typical current consumption is 500 µA in normal mode, excluding load current.
- In what packages is the AD5304BRM-REEL7 available?
The device is available in 10-lead MSOP and 10-lead LFCSP packages.
- What are some common applications of the AD5304BRM-REEL7?
Common applications include industrial automation, medical devices, audio equipment, and power management systems.
