Overview
The AD5640BRJZ-1500RL7, produced by Analog Devices Inc., is a member of the nanoDAC™ family of devices. It is a low-power, single, 14-bit, buffered voltage-out digital-to-analog converter (DAC) that is guaranteed monotonic by design. This device is known for its high precision and low power consumption, making it suitable for a variety of applications, including process control, data acquisition systems, and portable battery-powered instruments.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Resolution | 14 bits | ||
| Relative Accuracy | ±1 LSB max | ||
| Differential Nonlinearity | ±0.25 LSB max | ||
| Zero-Code Error | 2 mV typ, 8 mV max | All 0s loaded to DAC register | |
| Offset Error | ±10 mV max | ||
| Full-Scale Error | ±0.15% FSR typ, ±1% FSR max | All 1s loaded to DAC register | |
| Gain Error | ±1.5% FSR max | ||
| Output Voltage Range | 0 V to VDD | V | VDD = 5 V |
| Output Voltage Settling Time | 8 µs typ, 10 µs max | µs | ¼ to ¾ scale change settling to ±2 LSB |
| Slew Rate | 1.5 V/µs typ | V/µs | ¼ to ¾ scale |
| Power Supply | 3 V to 5.5 V | V | |
| Power Consumption (Normal Mode) | 0.55 mA typ, 1 mA max | mA | VDD = 4.5 V to 5.5 V |
| Power-Down Current | 480 nA @ 5 V, 200 nA @ 3 V | nA | |
| Operating Temperature | -40°C to 105°C | °C |
Key Features
- Low power consumption with power-down to 480 nA @ 5 V and 200 nA @ 3 V.
- On-chip, 1.25 V/2.5 V, 5 ppm/°C reference.
- Tiny 8-lead SOT-23 and MSOP packages.
- Guaranteed 14-bit monotonic by design.
- Power-on reset to zero or midscale.
- Three power-down functions with software-selectable output loads.
- Rail-to-rail output swing with an on-chip precision output amplifier.
- Versatile 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP interface standards.
- SYNC interrupt facility.
Applications
- Process control.
- 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 AD5640BRJZ-1500RL7?
The AD5640BRJZ-1500RL7 has a resolution of 14 bits. - What is the typical power consumption of the AD5640BRJZ-1500RL7 in normal mode?
The typical power consumption is 0.55 mA at VDD = 4.5 V to 5.5 V. - What are the operating temperature ranges for the AD5640BRJZ-1500RL7?
The operating temperature range is -40°C to 105°C. - Does the AD5640BRJZ-1500RL7 have an on-chip reference?
Yes, it has an on-chip, 1.25 V/2.5 V, 5 ppm/°C reference. - What is the output voltage range of the AD5640BRJZ-1500RL7?
The output voltage range is 0 V to VDD (up to 5 V). - What is the settling time for the output voltage?
The settling time is typically 8 µs and a maximum of 10 µs for a ¼ to ¾ scale change. - Is the AD5640BRJZ-1500RL7 guaranteed monotonic by design?
Yes, it is guaranteed monotonic by design. - What types of packages are available for the AD5640BRJZ-1500RL7?
The device is available in 8-lead SOT-23 and MSOP packages. - What is the slew rate of the AD5640BRJZ-1500RL7?
The slew rate is typically 1.5 V/µs. - Does the AD5640BRJZ-1500RL7 support multiple interface standards?
Yes, it supports SPI, QSPI, MICROWIRE, and DSP interface standards.
