Overview
The AD5339BRMZ from Analog Devices Inc. is a dual 12-bit digital-to-analog converter (DAC) designed for high precision and low power consumption. This device is part of the AD5337/AD5338/AD5339 series, each offering different resolution levels. The AD5339BRMZ operates from a single 2.5 V to 5.5 V supply and is housed in an 8-lead MSOP package. It features a 2-wire (I2C-compatible) serial interface, making it suitable for a variety of applications requiring precise voltage output control.
Key Specifications
Parameter | Value | Unit | Conditions/Comments |
---|---|---|---|
Number of Bits | 12 | - | - |
Number of D/A Converters | 2 | - | - |
Settling Time | 10 μs | - | 1/4 scale to 3/4 scale change |
Output Type | Voltage - Buffered | - | - |
Differential Output | No | - | - |
Data Interface | I2C | - | 2-wire serial interface |
Reference Type | External | - | - |
Voltage - Supply, Analog/Digital | 2.5 V ~ 5.5 V | - | - |
INL/DNL (LSB) | ±2, ±0.2 | - | - |
Architecture | String DAC | - | - |
Operating Temperature | −40°C ~ +105°C | - | - |
Power Consumption | 250 μA @ 3 V, 300 μA @ 5 V | - | - |
Power-down Current | 80 nA @ 3 V, 200 nA @ 5 V | - | - |
Key Features
- Guaranteed monotonic by design over all codes
- Low power operation: 250 μA @ 3 V, 300 μA @ 5 V
- 2-wire (I2C-compatible) serial interface
- Power-on reset to 0 V and software clear facility
- Simultaneous update of outputs (LDAC function) and data readback facility
- On-chip rail-to-rail output buffer amplifiers
- Three power-down modes
- Output range: 0 V to VREF
Applications
- Portable battery-powered instruments
- Digital gain and offset adjustment
- Programmable voltage and current sources
- Programmable attenuators
- Industrial process control
Q & A
- What is the resolution of the AD5339BRMZ DAC?
The AD5339BRMZ has a resolution of 12 bits. - What is the operating voltage range of the AD5339BRMZ?
The device operates from a single 2.5 V to 5.5 V supply. - What type of interface does the AD5339BRMZ use?
The AD5339BRMZ uses a 2-wire (I2C-compatible) serial interface. - What is the settling time of the AD5339BRMZ?
The settling time is 10 μs for a 1/4 scale to 3/4 scale change. - Is the AD5339BRMZ guaranteed to be monotonic?
Yes, the AD5339BRMZ is guaranteed monotonic by design over all codes. - What is the power consumption of the AD5339BRMZ?
The power consumption is 250 μA @ 3 V and 300 μA @ 5 V. - What are the power-down modes available on the AD5339BRMZ?
The device has three power-down modes. - What is the operating temperature range of the AD5339BRMZ?
The operating temperature range is −40°C to +105°C. - Does the AD5339BRMZ have on-chip output buffer amplifiers?
Yes, the device features on-chip rail-to-rail output buffer amplifiers. - Can the outputs of the AD5339BRMZ be updated simultaneously?
Yes, the device supports simultaneous update of outputs via the LDAC function.