Overview
The AD5337ARMZ-REEL7 is a dual 8-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 resolution levels. The AD5337 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 variety of applications requiring low power consumption and precise voltage output.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Number of Bits | 8 | Dual 8-bit DACs | |
| Power Supply Range | 2.5 V to 5.5 V | V | |
| Current Consumption | 250 μA @ 3 V, 300 μA @ 5 V | μA | |
| Output Voltage Range | 0 V to VREF | V | VREF = VDD |
| Output Settling Time | 6 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 | |
| Serial Interface | 2-wire (I2C-compatible), up to 400 kbps |
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 8-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 or 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 power supply range of the AD5337ARMZ-REEL7?
The power supply range is from 2.5 V to 5.5 V.
- How many bits does the AD5337ARMZ-REEL7 DAC have?
The AD5337ARMZ-REEL7 is a dual 8-bit DAC.
- What is the current consumption of the AD5337ARMZ-REEL7 at 3 V and 5 V?
The current consumption is 250 μA at 3 V and 300 μA at 5 V.
- What is the output voltage range of the AD5337ARMZ-REEL7?
The output voltage range is from 0 V to VREF (which can be up to VDD).
- What is the settling time for the output voltage of the AD5337ARMZ-REEL7?
The settling time is approximately 6 μs for a 1/4 scale to 3/4 scale change.
- Does the AD5337ARMZ-REEL7 have a power-on reset feature?
Yes, it has a power-on reset feature that sets the DAC outputs to 0 V.
- What is the slew rate of the output amplifier in the AD5337ARMZ-REEL7?
The slew rate is 0.7 V/μs.
- Can multiple AD5337ARMZ-REEL7 devices be placed on the same bus?
Yes, multiple devices can be placed on the same bus using the 2-wire serial interface.
- What is the temperature range for the AD5337ARMZ-REEL7?
The temperature range is from −40°C to +105°C.
- Does the AD5337ARMZ-REEL7 have a data readback facility?
Yes, it has a data readback facility.
