Overview
The AD5647RBRMZ-REEL7 is a member of the nanoDAC family from Analog Devices Inc., offering a low-power, dual 14-bit buffered voltage-out digital-to-analog converter (DAC). This device operates from a single 2.7 V to 5.5 V supply and features an on-chip 2.5 V reference with a 5 ppm/°C temperature coefficient. It is designed for applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 14 |
| Number of DACs | 2 |
| Supply Voltage | 2.7 V to 5.5 V |
| On-Chip Reference | 2.5 V, 5 ppm/°C |
| Output Voltage Range | 0 to VDD |
| Interface | I2C-compatible serial interface (100 kHz, 400 kHz, 3.4 MHz) |
| Power Consumption (Normal Mode) | Typically 20 μA per channel at 5 V |
| Power-Down Current | 480 nA per channel at 5 V |
| Max Operating Temperature | 105 °C |
| Package Type | 10-lead MSOP |
Key Features
- Low power consumption with guaranteed monotonicity by design.
- On-chip 2.5 V reference with 5 ppm/°C temperature coefficient.
- I2C-compatible serial interface supporting standard, fast, and high-speed modes.
- Per-channel power-down feature reducing current consumption to 480 nA at 5 V.
- Hardware LDAC and CLR functions for output control.
- Power-on reset to zero scale and software-selectable output loads in power-down mode.
Applications
- Process control systems.
- Data acquisition systems.
- Portable battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
Q & A
- What is the resolution of the AD5647RBRMZ-REEL7 DAC?
The AD5647RBRMZ-REEL7 has a resolution of 14 bits. - What is the supply voltage range for this DAC?
The supply voltage range is from 2.7 V to 5.5 V. - Does the AD5647RBRMZ-REEL7 have an on-chip reference?
Yes, it has an on-chip 2.5 V reference with a 5 ppm/°C temperature coefficient. - What interface does the AD5647RBRMZ-REEL7 use?
The device uses an I2C-compatible serial interface. - What is the power consumption in normal mode?
Typically 20 μA per channel at 5 V. - How much current does the device consume in power-down mode?
480 nA per channel at 5 V. - What is the maximum operating temperature of the AD5647RBRMZ-REEL7?
The maximum operating temperature is 105 °C. - What package type is the AD5647RBRMZ-REEL7 available in?
The device is available in a 10-lead MSOP package. - Does the AD5647RBRMZ-REEL7 have power-on reset and power-down features?
Yes, it has a power-on reset to zero scale and per-channel power-down features. - What are some common applications of the AD5647RBRMZ-REEL7?
Common applications include process control, data acquisition systems, portable battery-powered instruments, and programmable voltage and current sources.
