Overview
The AD5338ARMZ is a dual-channel, 10-bit buffered voltage output Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This component is part of the AD5338 series, which includes various resolutions, but the AD5338ARMZ specifically offers 10-bit resolution. It is housed in an 8-lead MSOP package, making it suitable for compact and surface-mount designs. The DAC operates from a single supply voltage ranging from 2.5V to 5.5V and consumes a low current of 250μA at 3V, making it ideal for battery-operated equipment.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Product Category | Digital to Analog Converters - DAC |
| Resolution | 10 bit |
| Number of Channels | 2 Channel |
| Interface Type | 2-Wire, I2C, Serial |
| Analog Supply Voltage | 2.5 V to 5.5 V |
| Digital Supply Voltage | 2.5 V to 5.5 V |
| Settling Time | 7 μs |
| Output Type | Voltage Buffered |
| Reference Type | External |
| Package / Case | MSOP-8 |
| Operating Temperature | -40°C to +105°C |
| Mounting Style | SMD/SMT |
| DNL - Differential Nonlinearity | ±0.05 LSB |
| INL - Integral Nonlinearity | ±0.5 LSB |
| Power Dissipation | 1.9 mW |
Key Features
- Low Power Consumption: The AD5338ARMZ consumes 250μA at 3V, making it suitable for battery-operated devices.
- Power-Down Modes: It features three power-down modes, reducing power consumption to as low as 80nA at 3V and 200nA at 5V.
- Buffered Voltage Output: The DAC has on-chip rail-to-rail output buffer amplifiers, ensuring stable and accurate voltage outputs.
- Software LDAC Function: Allows simultaneous updating of DAC outputs using software.
- Power-On Reset: Ensures DAC outputs power up to 0V and remain there until a valid write to the device occurs.
- Data Readback Facility: Enables the user to read back the contents of the DAC register.
- High Accuracy: Relative accuracy of ±0.15LSB and differential nonlinearity of ±0.02LSB.
Applications
- Portable Battery-Powered Instruments: Ideal due to its low power consumption.
- Digital Gain and Offset Adjustment: Used in applications requiring precise voltage and current adjustments.
- Programmable Voltage and Current Sources: Suitable for generating precise voltage and current levels.
- Programmable Attenuators: Used in signal processing and conditioning applications.
- Industrial Process Control: Applied in various industrial control systems requiring accurate analog outputs.
Q & A
- What is the resolution of the AD5338ARMZ DAC?
The AD5338ARMZ has a resolution of 10 bits.
- How many channels does the AD5338ARMZ have?
The AD5338ARMZ is a dual-channel DAC.
- What is the supply voltage range for the AD5338ARMZ?
The supply voltage range is from 2.5V to 5.5V.
- What is the settling time of the AD5338ARMZ?
The settling time is 7 μs.
- Does the AD5338ARMZ have power-down modes?
Yes, it has three power-down modes.
- What is the typical power consumption of the AD5338ARMZ at 3V?
The typical power consumption is 250μA at 3V.
- What is the operating temperature range of the AD5338ARMZ?
The operating temperature range is from -40°C to +105°C.
- Does the AD5338ARMZ have on-chip output buffer amplifiers?
Yes, it has on-chip rail-to-rail output buffer amplifiers.
- Can the AD5338ARMZ outputs be updated simultaneously?
Yes, using the software LDAC function.
- What is the differential nonlinearity of the AD5338ARMZ?
The differential nonlinearity is ±0.05 LSB.
