Overview
The AD5338ARMZ-REEL7 is a dual 10-bit buffered voltage output Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This component is part of the AD5337/AD5338/AD5339 family, each offering different resolutions. The AD5338 is housed in an 8-lead MSOP package and operates from a single 2.5 V to 5.5 V supply, making it suitable for a wide range of applications, particularly in portable battery-operated equipment due to its low power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage | 2.5 | 5.5 | V | ||
| Supply Current | 250 | 375 | μA | @ 3 V, @ 5 V respectively | |
| Power Consumption (Normal Operation) | 0.75 | 1.5 | mW | @ 3 V, @ 5 V respectively | |
| Power Consumption (Power-Down Mode) | 1 | μW | |||
| Output Voltage Range | 0 | VREF | V | ||
| Settling Time | 7 | 9 | μs | 1/4 scale to 3/4 scale change | |
| Slew Rate | 0.7 | V/μs | |||
| Operating Temperature | -40 | 105 | °C | ||
| Package Type | MSOP | 8-lead |
Key Features
- Dual 10-bit buffered voltage output DACs with rail-to-rail output swing.
- Low power operation: 250 μA at 3 V and 300 μA at 5 V.
- 2-wire (I2C-compatible) serial interface with clock rates up to 400 kHz.
- Three programmable power-down modes reducing current consumption to 80 nA @ 3 V or 200 nA @ 5 V.
- Simultaneous update of outputs using the LDAC function.
- Software clear facility and data readback facility.
- On-chip rail-to-rail output buffer amplifiers.
- Power-on reset to 0 V and guaranteed monotonic by design over all codes.
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 supply voltage range for the AD5338ARMZ-REEL7?
The supply voltage range is from 2.5 V to 5.5 V.
- What is the typical supply current at 3 V and 5 V?
The typical supply current is 250 μA at 3 V and 300 μA at 5 V.
- What is the power consumption in normal operation and power-down mode?
In normal operation, it is typically 0.75 mW at 3 V and 1.5 mW at 5 V. In power-down mode, it reduces to 1 μW.
- What is the output voltage range of the DAC?
The output voltage range is from 0 V to VREF.
- What is the settling time for the DAC?
The settling time is typically 7 μs and up to 9 μs for a 1/4 scale to 3/4 scale change.
- What is the slew rate of the output buffer amplifiers?
The slew rate is 0.7 V/μs.
- What is the operating temperature range?
The operating temperature range is from -40°C to +105°C.
- What type of package does the AD5338ARMZ-REEL7 come in?
The component is housed in an 8-lead MSOP package.
- What are the key applications of the AD5338ARMZ-REEL7?
Key applications include portable battery-powered instruments, digital gain and offset adjustment, programmable voltage and current sources, programmable attenuators, and industrial process control.
- Does the AD5338ARMZ-REEL7 support simultaneous update of outputs?
