Overview
The AD7801BRZ-REEL is a single, 8-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component operates from a single supply voltage ranging from +2.7 V to +5.5 V, making it versatile for various applications. The AD7801 features an on-chip precision output buffer, allowing the DAC output to swing rail to rail. This device is particularly suited for portable battery-operated equipment due to its low power consumption.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7801BRZ-REEL |
| Description | Single, 8-bit, voltage out DAC |
| Package / Case | 20-Lead SOIC (Wide) |
| Mounting Type | Surface Mount |
| Number of Pins | 20 |
| Operating Temperature | -40°C to +105°C |
| Supply Voltage | +2.7 V to +5.5 V |
| Power Dissipation | < 5 mW at 3.3 V, < 3 µW in power-down mode |
| Number of Bits | 8 |
| Output Type | Voltage - Buffered |
| Polarity | Unipolar |
| Settling Time | 2 μs |
| Integral Nonlinearity (INL) | ±1 LSB |
| Differential Output | No |
| Data Interface | Parallel |
| Sampling Rate | 833 ksps |
Key Features
- On-chip precision output buffer allowing rail-to-rail output swing.
- Parallel microprocessor and DSP compatible interface with high-speed registers and double-buffered interface logic.
- Reference selection can be either internal (derived from VDD) or external (applied at the REFIN pin).
- Asynchronous CLR input to clear the DAC output.
- Low power consumption: less than 5 mW at 3.3 V and less than 3 µW in power-down mode.
- Available in 20-lead SOIC and 20-lead TSSOP packages.
Applications
- Portable battery-operated equipment due to its low power consumption.
- General-purpose digital-to-analog conversion in various industrial and consumer electronics.
- Enhancing the performance of high-resolution analog-to-digital converters (ADCs) and other precision analog circuits.
- Automotive, medical, and aerospace applications where precision and reliability are critical.
Q & A
- What is the supply voltage range for the AD7801BRZ-REEL?
The AD7801BRZ-REEL operates from a single supply voltage ranging from +2.7 V to +5.5 V.
- What is the package type of the AD7801BRZ-REEL?
The AD7801BRZ-REEL is available in a 20-lead SOIC (Wide) package.
- What is the operating temperature range of the AD7801BRZ-REEL?
The operating temperature range is -40°C to +105°C.
- How many bits does the AD7801BRZ-REEL DAC have?
The AD7801BRZ-REEL is an 8-bit DAC.
- What is the settling time of the AD7801BRZ-REEL?
The settling time is 2 μs.
- Does the AD7801BRZ-REEL have differential output capability?
No, the AD7801BRZ-REEL does not have differential output capability.
- What is the data interface type of the AD7801BRZ-REEL?
The data interface is parallel.
- What is the sampling rate of the AD7801BRZ-REEL?
The sampling rate is 833 ksps.
- Can the AD7801BRZ-REEL be used in portable battery-operated equipment?
Yes, it is suitable for portable battery-operated equipment due to its low power consumption.
- Is the AD7801BRZ-REEL available in other package types besides SOIC?
Yes, it is also available in a 20-lead TSSOP package.
