Overview
The AD5338ARMZ-1REEL7 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, which includes 8-, 10-, and 12-bit DACs, respectively. The AD5338ARMZ-1REEL7 operates from a single 2.5 V to 5.5 V supply and is housed in an 8-lead MSOP package, making it suitable for a variety of applications requiring precise voltage output control.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Supply Voltage | 2.5 V to 5.5 V | V | |
| Current Consumption | 250 μA @ 3 V, 300 μA @ 5 V | μA | |
| Number of Bits | 10 | ||
| Interface | 2-Wire (I2C-compatible) | Up to 400 kbps | |
| Output Range | 0 V to VREF | V | |
| Settling Time | 9 μs | μs | 1/4 scale to 3/4 scale change |
| Slew Rate | 0.7 V/μs | V/μs | |
| Power-Down Current | 80 nA @ 3 V, 200 nA @ 5 V | nA | |
| Temperature Range | −40°C to +105°C | °C | |
| Package | 8-Lead MSOP |
Key Features
- 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 kbps.
- Dual 10-bit buffered voltage output DACs with rail-to-rail output amplifiers.
- Guaranteed monotonic by design over all codes.
- Power-on reset to 0 V and software clear facility.
- Simultaneous update of outputs using the LDAC function.
- Data readback facility.
- Three power-down modes reducing current consumption to 80 nA @ 3 V and 200 nA @ 5 V.
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-1REEL7?
The supply voltage range is from 2.5 V to 5.5 V.
- How many bits does the AD5338ARMZ-1REEL7 DAC have?
The AD5338ARMZ-1REEL7 is a 10-bit DAC.
- What type of interface does the AD5338ARMZ-1REEL7 use?
The AD5338ARMZ-1REEL7 uses a 2-wire (I2C-compatible) serial interface.
- What is the settling time for the AD5338ARMZ-1REEL7?
The settling time is approximately 9 μs for a 1/4 scale to 3/4 scale change.
- What is the slew rate of the output amplifiers?
The slew rate is 0.7 V/μs.
- How much current does the AD5338ARMZ-1REEL7 consume in power-down mode?
In power-down mode, the current consumption is 80 nA @ 3 V and 200 nA @ 5 V.
- What is the temperature range for the AD5338ARMZ-1REEL7?
The temperature range is from −40°C to +105°C.
- What type of package does the AD5338ARMZ-1REEL7 come in?
The AD5338ARMZ-1REEL7 is housed in an 8-lead MSOP package.
- Does the AD5338ARMZ-1REEL7 have a power-on reset feature?
Yes, the AD5338ARMZ-1REEL7 has a power-on reset feature that ensures the DAC outputs power up to 0 V.
- Can multiple AD5338ARMZ-1REEL7 devices be placed on the same bus?
Yes, multiple devices can be placed on the same bus due to the 2-wire interface.
