Overview
The AD5326BRUZ-REEL is a quad 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component 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, consuming a low current of 400 μA at 3 V and 500 μA at 5 V. The device features a 2-wire serial interface compatible with I2C and SMBus protocols, allowing for multiple devices to be connected on the same bus.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 12 | 12 | 12 | Bits | |
| Relative Accuracy | ±2 | ±16 | LSB | A version: ±16 LSB, B version: ±10 LSB | |
| Differential Nonlinearity | ±0.2 | ±1 | LSB | ||
| Offset Error | ±5 | ±60 | mV | VDD = 4.5 V, gain = 2 | |
| Gain Error | ±0.3 | ±1.25 | % of FSR | VDD = 4.5 V, gain = 2 | |
| Supply Voltage | 2.5 | 5.5 | V | ||
| Current Consumption | 400 | 500 | μA | @ 3 V and @ 5 V respectively | |
| Power-Down Current | 90 | 300 | nA | @ 3 V and @ 5 V respectively | |
| Interface | 2-wire (I2C-compatible), up to 400 kHz clock rate | ||||
| Package | 16-Lead TSSOP | ||||
| Temperature Range | -40 | 105 | °C |
Key Features
- Quad 12-bit digital-to-analog converters with buffered voltage outputs.
- Operates from a single 2.5 V to 5.5 V supply.
- Low power consumption: 400 μA at 3 V and 500 μA at 5 V.
- 2-wire serial interface (I2C-compatible) with clock rates up to 400 kHz.
- SMBus-compatible at VDD < 3.6 V.
- On-chip rail-to-rail output buffer amplifiers with a slew rate of 0.7 V/μs.
- Separate reference input for each DAC, configurable as buffered or unbuffered.
- Simultaneous update of all DAC outputs using the LDAC pin.
- Power-on reset to 0 V and software clear function to clear all DACs to 0 V.
- Power-down feature reducing current consumption to 90 nA @ 3 V and 300 nA @ 5 V.
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-REEL DAC?
The AD5326BRUZ-REEL has a resolution of 12 bits.
- What is the operating voltage range of the AD5326BRUZ-REEL?
The operating voltage range is from 2.5 V to 5.5 V.
- What is the current consumption of the AD5326BRUZ-REEL at 3 V and 5 V?
The current consumption is 400 μA at 3 V and 500 μA at 5 V.
- What type of interface does the AD5326BRUZ-REEL use?
The device uses a 2-wire serial interface (I2C-compatible) with clock rates up to 400 kHz.
- Can multiple AD5326BRUZ-REEL devices be connected on the same bus?
- What is the temperature range of the AD5326BRUZ-REEL?
The temperature range is from -40°C to +105°C.
- What is the power-down current consumption of the AD5326BRUZ-REEL?
The power-down current consumption is 90 nA @ 3 V and 300 nA @ 5 V.
- Does the AD5326BRUZ-REEL have a power-on reset feature?
- Can the outputs of all DACs be updated simultaneously?
- What is the slew rate of the on-chip output buffer amplifiers?
The slew rate is 0.7 V/μs.
