Overview
The AD5326BRUZ-REEL7 is a 12-bit, quad-channel digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is designed for low-power operation and features a 2-wire (I2C-compatible) serial interface. It is housed in a 16-lead TSSOP package and is suitable for a wide range of applications requiring precise analog output control.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Resolution | 12 bits | - | - |
| Relative Accuracy | ±2 LSB (A version), ±10 LSB (B version) | - | - |
| Differential Nonlinearity | ±0.2 LSB (A version), ±1 LSB (B version) | - | - |
| Offset Error | ±5 mV (A version), ±60 mV (B version) | mV | VDD = 4.5 V, gain = 2 |
| Gain Error | ±0.3% (A version), ±1.25% (B version) of FSR | % | VDD = 4.5 V, gain = 2 |
| Power Supply | 2.5 V to 5.5 V | V | - |
| Current Consumption | 400 μA @ 3 V, 500 μA @ 5 V | μA | - |
| Power-Down Current | 90 nA @ 3 V, 300 nA @ 5 V | nA | - |
| Temperature Range | −40°C to +105°C | °C | - |
| Package Type | 16-lead TSSOP | - | - |
| Interface | 2-wire (I2C-compatible) serial interface | - | - |
Key Features
- Low power operation: 400 μA @ 3 V, 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-down to 90 nA @ 3 V, 300 nA @ 5 V (PD pin or bit)
- Double-buffered input logic and buffered/unbuffered reference input options
- Output range: 0 V to VREF or 0 V to 2 VREF
- Power-on reset to 0 V and software clear facility
- Simultaneous update of outputs using the asynchronous LDAC input
- Data readback facility
- On-chip rail-to-rail output buffer amplifiers with a slew rate of 0.7 V/μs
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-REEL7?
The AD5326BRUZ-REEL7 has a resolution of 12 bits.
- What is the power supply range for this DAC?
The power supply range is from 2.5 V to 5.5 V.
- What is the current consumption of the device?
The current consumption is 400 μA @ 3 V and 500 μA @ 5 V.
- How does the power-down feature work?
The device can be powered down to 90 nA @ 3 V or 300 nA @ 5 V using the PD pin or bit.
- What type of interface does the AD5326BRUZ-REEL7 use?
The device uses a 2-wire (I2C-compatible) serial interface.
- Is the output of the DAC guaranteed to be monotonic?
Yes, the output is guaranteed to be monotonic by design over all codes.
- What is the temperature range for this device?
The temperature range is from −40°C to +105°C.
- Can multiple 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 buffer amplifiers?
The slew rate is 0.7 V/μs.
- Does the device have a power-on reset feature?
Yes, the device has a power-on reset feature that sets the DAC outputs to 0 V.
