Overview
The AD5628BCPZ-2-RL7 is a low-power, octal, 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the AD5628/AD5648/AD5668 family and is known for its high precision and versatility. It operates from a single supply voltage ranging from 2.7 V to 5.5 V and is guaranteed monotonic by design. The AD5628BCPZ-2-RL7 features an on-chip reference with an internal gain of 2, providing a full-scale output range of 5 V with a 2.5 V, 5 ppm/°C reference. The device is available in a 16-lead LFCSP package, making it suitable for a variety of applications requiring precise analog output.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of DACs | Octal (8 channels) |
| Supply Voltage | 2.7 V to 5.5 V |
| On-Chip Reference | 2.5 V, 5 ppm/°C |
| Full-Scale Output Range | 5 V |
| Power-On Reset | 0 V or midscale |
| Power-Down Current | 400 nA at 5 V |
| Serial Interface | 3-wire SPI, QSPI, MICROWIRE, DSP compatible |
| Clock Rate | Up to 50 MHz |
| Package Type | 16-lead LFCSP (4mm x 4mm) |
| Operating Temperature Range | −40°C to +105°C |
Key Features
- On-chip precision output amplifier enabling rail-to-rail output swing
- Power-on reset circuit ensuring DAC output powers up to 0 V or midscale
- Power-down feature reducing current consumption to 400 nA at 5 V
- Software-selectable output loads in power-down mode
- Simultaneous update of all DAC outputs using the LDAC function
- Asynchronous CLR function to update all DACs to a user-programmable code
- Versatile 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards
Applications
The AD5628BCPZ-2-RL7 is suitable for a wide range of applications that require precise and reliable analog output. These include industrial control systems, medical devices, automotive systems, and any other application where multiple, high-precision DAC channels are necessary. The device's low power consumption and compact package make it ideal for space-constrained and power-sensitive designs.
Q & A
- What is the resolution of the AD5628BCPZ-2-RL7? The AD5628BCPZ-2-RL7 has a resolution of 12 bits.
- How many DAC channels does the AD5628BCPZ-2-RL7 have? The AD5628BCPZ-2-RL7 has 8 DAC channels (octal).
- What is the supply voltage range for the AD5628BCPZ-2-RL7? The supply voltage range is from 2.7 V to 5.5 V.
- What is the full-scale output range of the AD5628BCPZ-2-RL7? The full-scale output range is 5 V.
- What happens to the DAC output during power-on reset? The DAC output powers up to 0 V or midscale.
- How much current does the AD5628BCPZ-2-RL7 consume in power-down mode? The device consumes 400 nA at 5 V in power-down mode.
- What types of serial interfaces are supported by the AD5628BCPZ-2-RL7? The device supports 3-wire SPI, QSPI, MICROWIRE, and DSP interfaces.
- What is the maximum clock rate for the serial interface? The maximum clock rate is up to 50 MHz.
- In what package type is the AD5628BCPZ-2-RL7 available? The device is available in a 16-lead LFCSP (4mm x 4mm) package.
- What is the operating temperature range of the AD5628BCPZ-2-RL7? The operating temperature range is −40°C to +105°C.
