Overview
The AD5679RBCPZ-1 is a 16-channel, 16-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the nanoDAC+ family, known for its high accuracy, low power consumption, and compact design. The AD5679RBCPZ-1 features a 2.5 V internal reference with a temperature coefficient of 2 ppm/°C, ensuring stable and precise voltage output. It operates from a single supply voltage range of 2.7 V to 5.5 V and is available in a 28-lead lead frame chip scale package (LFCSP).
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 16 Bits | ||
| Integral Nonlinearity (INL) | ±1.8 to ±4 LSB | Gain = 1 or 2 | |
| Internal Reference Voltage | 2.5 V | Temperature coefficient: 2 ppm/°C | |
| Supply Voltage Range | 2.7 V to 5.5 V | ||
| Output Voltage Range | 0 to 2.5 V (Gain = 1), 0 to 5 V (Gain = 2) | ||
| Power Consumption (Power-Down Mode) | 2 μA typical | ||
| Operating Temperature Range | -40°C to +125°C | ||
| Package Type | 28-lead LFCSP (4mm x 4mm x 0.95mm w/EP) | ||
| Interface | SPI (Serial Peripheral Interface) | 50 MHz, readback or daisy chain |
Key Features
- High channel density with 16 channels in a compact 4mm x 4mm LFCSP package.
- High relative accuracy with integral nonlinearity (INL) of ±4 LSB maximum.
- Low drift, 2.5 V internal reference with a temperature coefficient of 2 ppm/°C.
- User-selectable gain of 1 or 2 via the GAIN pin.
- Power-on reset (POR) circuit ensuring DAC outputs power up to and remain at zero-scale until a valid write.
- Power-down mode reducing current consumption to 2 μA typical.
- 1.8 V logic compatibility and 50 MHz SPI interface with readback or daisy chain capability.
Applications
- Industrial Automation Systems: Suitable for programmable logic controller (PLC) input/output cards and other industrial control applications.
- Audio Processing Units: Used in audio equipment requiring precise voltage control.
- Medical Instrumentation: Ideal for medical devices needing accurate voltage outputs, such as in drug dosage control systems.
- Scientific Research Equipment: Utilized in various scientific instruments requiring high-accuracy voltage outputs.
- Optical Transceivers and Base Station Power Amplifiers: Used in telecommunications equipment for precise voltage control.
Q & A
- What is the resolution of the AD5679RBCPZ-1?
The AD5679RBCPZ-1 has a resolution of 16 bits.
- What is the internal reference voltage and its temperature coefficient?
The internal reference voltage is 2.5 V with a temperature coefficient of 2 ppm/°C.
- What is the supply voltage range for the AD5679RBCPZ-1?
The supply voltage range is from 2.7 V to 5.5 V.
- What are the output voltage ranges for the AD5679RBCPZ-1?
The output voltage ranges are 0 to 2.5 V (Gain = 1) and 0 to 5 V (Gain = 2).
- How much power does the AD5679RBCPZ-1 consume in power-down mode?
The power consumption in power-down mode is typically 2 μA.
- What is the operating temperature range of the AD5679RBCPZ-1?
The operating temperature range is from -40°C to +125°C.
- What type of interface does the AD5679RBCPZ-1 use?
The AD5679RBCPZ-1 uses a 50 MHz SPI (Serial Peripheral Interface) with readback or daisy chain capability.
- What is the package type of the AD5679RBCPZ-1?
The package type is a 28-lead LFCSP (4mm x 4mm x 0.95mm w/EP).
- Does the AD5679RBCPZ-1 have a power-on reset feature?
Yes, the AD5679RBCPZ-1 includes a power-on reset (POR) circuit that ensures the DAC outputs power up to and remain at zero-scale until a valid write.
- What are some common applications of the AD5679RBCPZ-1?
Common applications include industrial automation, audio processing units, medical instrumentation, scientific research equipment, and telecommunications equipment.
