Overview
The AD5326BRUZ is a 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. This quad voltage output DAC is part of the AD5306/AD5316/AD5326 family, offering high precision and versatility for various applications. It operates from a single 2.5 V to 5.5 V supply and is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of DACs | 4 |
| Package | 16-Lead TSSOP |
| Supply Voltage | 2.5 V to 5.5 V |
| Current Consumption | 400 μA @ 3 V, 500 μA @ 5 V |
| Interface | 2-wire (I2C-compatible), up to 400 kHz clock rate |
| Output Range | 0 V to VREF or 0 V to 2 VREF |
| Integral Nonlinearity (INL) | ±10 LSB (B version), ±16 LSB (A version) |
| Settling Time | 10 μs |
| Slew Rate | 0.7 V/μs |
| Temperature Range | −40°C to +105°C |
| Power-down Current | 90 nA @ 3 V, 300 nA @ 5 V |
Key Features
- Quad 12-bit buffered voltage output DACs with rail-to-rail output swing.
- Low power operation with current consumption of 400 μA @ 3 V and 500 μA @ 5 V.
- 2-wire (I2C-compatible) serial interface with clock rates up to 400 kHz.
- Guaranteed monotonic by design over all codes.
- Power-on reset to 0 V and software clear function to clear all DACs to 0 V.
- Simultaneous update of outputs using the asynchronous LDAC input.
- Double-buffered input logic and buffered/unbuffered reference input options.
- On-chip rail-to-rail output buffer amplifiers.
Applications
- Portable battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
Q & A
- What is the resolution of the AD5326BRUZ DAC? The AD5326BRUZ has a resolution of 12 bits.
- What is the supply voltage range for the AD5326BRUZ? The supply voltage range is from 2.5 V to 5.5 V.
- How many DACs are included in the AD5326BRUZ? The AD5326BRUZ includes 4 DACs.
- What type of interface does the AD5326BRUZ use? The AD5326BRUZ uses a 2-wire (I2C-compatible) serial interface.
- What is the current consumption of the AD5326BRUZ at 3 V and 5 V? The current consumption is 400 μA @ 3 V and 500 μA @ 5 V.
- What is the temperature range of the AD5326BRUZ? The temperature range is from −40°C to +105°C.
- How does the power-down feature work on the AD5326BRUZ? The power-down feature reduces the current consumption to 90 nA @ 3 V and 300 nA @ 5 V.
- Can multiple AD5326BRUZ devices be placed on the same bus? Yes, multiple devices can be placed on the same bus.
- What is the slew rate of the on-chip output amplifiers? The slew rate is 0.7 V/μs.
- Does the AD5326BRUZ have a power-on reset feature? Yes, the AD5326BRUZ has a power-on reset circuit that ensures the DAC outputs power up to 0 V.
