Overview
The AD7304BRU is a quad, 8-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is designed for high-performance and low-power consumption, making it suitable for a variety of applications. It operates on a single supply voltage ranging from +2.7 V to +5.5 V or ±5 V supplies, which is ideal for battery-powered devices or systems with limited power availability. The AD7304BRU features an external reference input, allowing users to customize the reference voltage according to their specific application requirements.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Resolution | 8 bit |
| Number of Channels | 4 Channel |
| Interface Type | SPI |
| Settling Time | 2 microseconds |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Mounting Style | SMD/SMT |
| Packaging | Reel |
| Supply Voltage - Max | 5.5 V |
| Supply Voltage - Min | 2.7 V |
| Power Dissipation | 60 mW |
| Reference Type | External |
| Input Resistance (RREFIN) | 28 kΩ (typ) |
| Input Capacitance (CREFIN) | 5 pF (typ) |
| Output Voltage Range (VOUT) | VSS to VDD |
| Output Current Drive (IOUT) | ±3 mA (typ) |
Key Features
- Four independent 8-bit DAC channels
- High-speed SPI serial interface compatible with microcontrollers
- Double-buffered architecture for simultaneous update of all DACs
- Rail-to-rail REF input to voltage output swing
- Internal power-on reset sets output to zero scale
- External reference input for customization
- Low power consumption: less than 9 mW from a +3 V supply
- Buffered voltage output with a maximum INL/DNL of ±1 LSB
Applications
- Telecommunications
- Industrial Control Systems
- Data Acquisition Systems
- Portable Battery-Powered Devices
- Automated Test Equipment
Q & A
- What is the resolution of the AD7304BRU?
The AD7304BRU has a resolution of 8 bits. - How many DAC channels does the AD7304BRU have?
The AD7304BRU features four independent 8-bit DAC channels. - What is the interface type of the AD7304BRU?
The AD7304BRU uses a high-speed SPI serial interface. - What is the settling time of the AD7304BRU?
The settling time of the AD7304BRU is 2 microseconds per channel. - What is the operating temperature range of the AD7304BRU?
The operating temperature range is from -40°C to +125°C. - What is the power dissipation of the AD7304BRU?
The power dissipation is 60 mW. - Can the AD7304BRU operate on a single supply voltage?
Yes, the AD7304BRU can operate on a single supply voltage ranging from +2.7 V to +5.5 V or ±5 V supplies. - What is the input resistance of the AD7304BRU?
The input resistance (RREFIN) is 28 kΩ (typical). - What is the output voltage range of the AD7304BRU?
The output voltage range (VOUT) is from VSS to VDD. - Is the AD7304BRU suitable for battery-powered devices?
Yes, the AD7304BRU is suitable for battery-powered devices due to its low power consumption.
