Overview
The AD5331BRUZ is a 10-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This single-channel DAC operates from a supply voltage range of 2.5 V to 5.5 V and consumes a low current of 115 μA at 3 V. It features a power-down mode that reduces the current to 80 nA, making it suitable for power-sensitive applications. The device is packaged in a 20-lead Thin Shrink Small Outline Package (TSSOP) and is designed for high precision and reliability.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Resolution | 10 bits | ||
| Relative Accuracy | ±0.5 ± 4 LSB | ||
| Differential Nonlinearity | ±0.05 ± 0.5 LSB | Guaranteed monotonic by design over all codes | |
| Offset Error | ±0.4 % of FSR | ||
| Gain Error | ±0.15 % of FSR | ||
| Supply Voltage | 2.5 V to 5.5 V | V | |
| Current Consumption | 115 μA at 3 V | μA | |
| Power-Down Current | 80 nA | nA | |
| Output Type | Voltage - Buffered | ||
| Minimum Output Voltage | 0 V | V | |
| Maximum Output Voltage | VDD - 0.001 V | V | |
| Settling Time | 7 μs to 9 μs | μs | ¼ scale to ¾ scale change |
| Package | 20-Lead TSSOP |
Key Features
- Parallel Interface: The AD5331BRUZ features a parallel interface with CS (Chip Select) and WR (Write) pins to load data into the input registers.
- Buffered Output: The device includes an on-chip output buffer that can drive the output to both supply rails.
- Gain Selection: The GAIN pin allows the output range to be set at 0 V to VREF or 0 V to 2 × VREF.
- Double-Buffered Input Data: Allows simultaneous update of multiple DACs using the LDAC pin.
- Asynchronous CLR Input: Resets the contents of the input register and the DAC register to all zeros.
- Power-On Reset Circuit: Ensures the DAC output powers on to 0 V and remains there until valid data is written.
Applications
The AD5331BRUZ is suitable for a variety of applications requiring high precision and low power consumption, such as:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Test and measurement equipment
Q & A
- What is the resolution of the AD5331BRUZ DAC?
The AD5331BRUZ has a resolution of 10 bits. - What is the supply voltage range for the AD5331BRUZ?
The supply voltage range is from 2.5 V to 5.5 V. - How much current does the AD5331BRUZ consume at 3 V?
The device consumes 115 μA at 3 V. - What is the power-down current of the AD5331BRUZ?
The power-down current is 80 nA. - What type of interface does the AD5331BRUZ use?
The device uses a parallel interface. - Can the AD5331BRUZ drive its output to both supply rails?
Yes, the on-chip output buffer can drive the output to both supply rails. - How does the GAIN pin function on the AD5331BRUZ?
The GAIN pin allows the output range to be set at 0 V to VREF or 0 V to 2 × VREF. - What is the purpose of the LDAC pin on the AD5331BRUZ?
The LDAC pin allows simultaneous update of multiple DACs. - What is the effect of the asynchronous CLR input on the AD5331BRUZ?
The asynchronous CLR input resets the contents of the input register and the DAC register to all zeros. - What is the package type of the AD5331BRUZ?
The device is packaged in a 20-lead Thin Shrink Small Outline Package (TSSOP).
