Overview
The AD5306BRUZ-REEL7 is a quad 8-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD5306/AD5316/AD5326 family and is designed for applications requiring multiple DAC channels with low power consumption and high accuracy.
It operates from a single 2.5 V to 5.5 V supply and features a 2-wire (I2C-compatible) serial interface, allowing for easy communication and control. The device is housed in a 16-lead TSSOP package and is available in Pb-free versions.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 8 | - | - | Bits | - |
| Relative Accuracy (A Version) | ±0.15 | - | ±1 | LSB | - |
| Relative Accuracy (B Version) | ±0.15 | - | ±0.625 | LSB | - |
| Differential Nonlinearity | ±0.02 | - | ±0.25 | 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 |
| Power Supply | 2.5 | - | 5.5 | V | - |
| Power Consumption @ 3 V | - | 400 | - | μA | - |
| Power Consumption @ 5 V | - | 500 | - | μA | - |
| Power-Down Current @ 3 V | - | 90 | - | nA | - |
| Power-Down Current @ 5 V | - | 300 | - | nA | - |
| Temperature Range | -40 | - | 105 | °C | - |
Key Features
- Quad 8-bit DACs: Four independent DAC channels with 8-bit resolution.
- Low Power Operation: Consumes 400 μA at 3 V and 500 μA at 5 V.
- 2-Wire Serial Interface: I2C-compatible interface with clock rates up to 400 kHz.
- Buffered/Unbuffered Reference Input: Each DAC has a separate reference input that can be configured as buffered or unbuffered.
- Simultaneous Update: Outputs of all DACs can be updated simultaneously using the LDAC pin.
- Power-On Reset and Software Clear: Ensures DAC outputs power up to 0 V and remain there until a valid write; software clear function clears all DACs to 0 V.
- Power-Down Feature: Reduces current consumption to 90 nA @ 3 V and 300 nA @ 5 V.
- On-Chip Rail-to-Rail Output Buffers: Allows rail-to-rail output swing with a slew rate of 0.7 V/μs.
Applications
- Portable Battery-Powered Instruments: Ideal for low power consumption requirements.
- Digital Gain and Offset Adjustment: Suitable for applications needing precise voltage adjustments.
- Programmable Voltage and Current Sources: Can be used to generate precise voltage or current levels.
- Programmable Attenuators: Useful in applications requiring adjustable attenuation.
- Industrial Process Controls: Suitable for various industrial control applications.
Q & A
- What is the resolution of the AD5306BRUZ-REEL7 DAC?
The AD5306BRUZ-REEL7 has a resolution of 8 bits for each of its four DAC channels.
- What is the operating voltage range of the AD5306BRUZ-REEL7?
The device operates from a single 2.5 V to 5.5 V supply.
- What type of serial interface does the AD5306BRUZ-REEL7 use?
The device uses a 2-wire (I2C-compatible) serial interface.
- How much power does the AD5306BRUZ-REEL7 consume at 3 V and 5 V?
It consumes 400 μA at 3 V and 500 μA at 5 V.
- What is the power-down current consumption of the AD5306BRUZ-REEL7?
The power-down current is 90 nA at 3 V and 300 nA at 5 V.
- Does the AD5306BRUZ-REEL7 have a power-on reset feature?
Yes, it has a power-on reset circuit that ensures the DAC outputs power up to 0 V.
- Can the outputs of all DACs be updated simultaneously?
Yes, the outputs can be updated simultaneously using the LDAC pin.
- What is the slew rate of the on-chip output buffer amplifiers?
The slew rate is 0.7 V/μs.
- What is the temperature range of the AD5306BRUZ-REEL7?
The device operates over a temperature range of -40°C to +105°C.
- Is the AD5306BRUZ-REEL7 Pb-free?
Yes, the device is available in Pb-free versions.
