Overview
The AD7302BRZ-REEL7, produced by Analog Devices Inc., is a dual-channel, 8-bit Digital-to-Analog Converter (DAC) designed for applications requiring precision, efficiency, and versatility. This DAC operates from a single supply voltage range of +2.7 V to +5.5 V, making it suitable for a wide range of applications where accurate voltage control is crucial. The device features on-chip precision output buffers that enable rail-to-rail voltage swings, ensuring reliable and stable output voltages. Its compact 20-SOIC package and low power consumption make it ideal for space-constrained and battery-operated devices.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 8 |
| Number of D/A Converters | 2 |
| Settling Time | 1.2 μs |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | External, Internal |
| Voltage Supply (Analog/Digital) | 2.7 V ~ 5.5 V |
| INL/DNL (LSB) | ±1 (Max), ±1 (Max) |
| Architecture | Current Source |
| Operating Temperature | -40°C ~ 105°C |
| Package/Case | 20-SOIC (or TSSOP-20) |
Key Features
- Dual 8-bit DAC channels with high-speed registers and double buffered interface logic
- Low power consumption: less than 10 mW at 3.3 V, reducing to 3 μW in power-down mode
- SPI, QSPI, and MICROWIRE compliant serial interface
- External reference voltage determines the output range
- Power-down feature for energy conservation
- Precision temperature compensation and overvoltage protection mechanism
- Four-wire serial communication protocol
Applications
- Signal generation equipment
- Portable devices and audio systems
- Wireless communication devices
- Digital display interfaces
- Precision measurement tools
- Portable battery-powered instruments, digital gain and offset adjustment, programmable voltage and current sources, and programmable attenuators
Q & A
- What is the AD7302BRZ-REEL7?
The AD7302BRZ-REEL7 is a dual-channel, 8-bit Digital-to-Analog Converter (DAC) produced by Analog Devices Inc.
- What is the operating voltage range of the AD7302BRZ-REEL7?
The AD7302BRZ-REEL7 operates from a single supply voltage range of +2.7 V to +5.5 V
- What is the settling time of the AD7302BRZ-REEL7?
The settling time of the AD7302BRZ-REEL7 is 1.2 μs
- Does the AD7302BRZ-REEL7 support differential output?
No, the AD7302BRZ-REEL7 does not support differential output
- What types of interfaces does the AD7302BRZ-REEL7 support?
The AD7302BRZ-REEL7 supports parallel, SPI, QSPI, and MICROWIRE compliant serial interfaces
- How does the power-down feature work on the AD7302BRZ-REEL7?
The power-down feature reduces power consumption to 3 μW when the DACs are not in use, controlled by the PD pin
- What is the typical power consumption of the AD7302BRZ-REEL7 at 3.3 V?
The typical power consumption is less than 10 mW at 3.3 V
- What are some common applications of the AD7302BRZ-REEL7?
Common applications include signal generation equipment, portable devices, audio systems, wireless communication devices, digital display interfaces, and precision measurement tools
- What package types are available for the AD7302BRZ-REEL7?
The AD7302BRZ-REEL7 is available in 20-SOIC (or TSSOP-20) packages
- What is the operating temperature range of the AD7302BRZ-REEL7?
The operating temperature range is -40°C to 105°C
