Overview
The AD5314ARMZ is a quad 10-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. This device is part of the AD5304/AD5314/AD5324 family and is designed to operate from a single 2.5 V to 5.5 V power supply. It features four independent 10-bit DACs, each with a voltage output range of 0 V to VREF, and is packaged in 10-lead MSOP and 10-lead LFCSP configurations. The AD5314ARMZ is known for its low power consumption, high coding accuracy, and rail-to-rail output swing, making it suitable for a variety of industrial, communications, medical, and consumer applications.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Number of Bits | 10 | - | - |
| Package | 10-lead MSOP, 10-lead LFCSP | - | - |
| Supply Voltage | 2.5 V to 5.5 V | V | - |
| Current Consumption | 500 μA @ 3 V, 600 μA @ 5 V | μA | - |
| Power-Down Current | 80 nA @ 3 V, 200 nA @ 5 V | nA | - |
| Integral Nonlinearity (INL) | ±4 LSB (A Version), ±2.5 LSB (B Version) | LSB | - |
| Output Range | 0 V to VREF | V | - |
| Settling Time | 9 μs | μs | - |
| Interface | SPI, QSPI, MICROWIRE, DSP-compatible 3-wire serial interface | - | - |
| Temperature Range | −40°C to +105°C | °C | - |
Key Features
- Quad 10-bit DACs: Four independent 10-bit DACs with voltage output range of 0 V to VREF.
- Low Power Operation: Consumes 500 μA at 3 V and 600 μA at 5 V, with power-down current as low as 80 nA at 3 V and 200 nA at 5 V.
- Rail-to-Rail Output Swing: On-chip output buffer amplifiers provide rail-to-rail output swing with a slew rate of 0.7 V/μs.
- Serial Interface Compatibility: Compatible with SPI, QSPI, MICROWIRE, and DSP interface standards via a 3-wire serial interface.
- Power-On Reset: Ensures DAC outputs power up to 0 V and remain there until a valid write takes place.
- Simultaneous Update: Outputs of all DACs can be updated simultaneously using the LDAC function.
- Programmable Power-Down Modes: Allows all DACs to be turned off completely with high impedance output.
Applications
- Portable Battery-Powered Instruments: Ideal for devices requiring low power consumption and high accuracy.
- Digital Gain and Offset Adjustment: Used in applications where precise voltage adjustments are necessary.
- Programmable Voltage and Current Sources: Suitable for generating precise voltage or current levels.
- Programmable Attenuators: Used in signal processing and transmission systems.
- Industrial Process Controls: Applied in various industrial automation and control systems.
Q & A
- What is the resolution of the AD5314ARMZ DAC?
The AD5314ARMZ has a resolution of 10 bits.
- What is the power supply range for the AD5314ARMZ?
The device operates from a single 2.5 V to 5.5 V power supply.
- How much current does the AD5314ARMZ consume?
It consumes 500 μA at 3 V and 600 μA at 5 V.
- What is the output range of the AD5314ARMZ?
The output range is from 0 V to VREF.
- What type of interface does the AD5314ARMZ use?
The device uses a SPI, QSPI, MICROWIRE, and DSP-compatible 3-wire serial interface.
- What is the settling time of the AD5314ARMZ?
The settling time is approximately 9 μs.
- Does the AD5314ARMZ have a power-on reset feature?
Yes, it ensures that the DAC outputs power up to 0 V and remain there until a valid write takes place.
- Can the outputs of all DACs be updated simultaneously?
Yes, using the LDAC function.
- What are the programmable power-down modes of the AD5314ARMZ?
The device allows all DACs to be turned off completely with high impedance output.
- What is the temperature range of the AD5314ARMZ?
The device operates over a temperature range of −40°C to +105°C.
