Overview
The AD5384BBCZ-5 is a 14-bit, 40-channel digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the denseDAC® family and is designed for single-supply operation. It features a compact 100-ball CSP_BGA package, making it suitable for applications where space is limited. The AD5384 includes on-chip output amplifiers with rail-to-rail operation, an internal 1.25 V/2.5 V reference, and a channel monitor function for external monitoring of the analog outputs.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Number of D/A Converters | - | - | 40 | - | - |
| Number of Bits | - | - | 14 | - | - |
| Supply Voltage (Analog) | 4.5 | - | 5.5 | V | AVDDx |
| Supply Voltage (Digital) | 2.7 | - | 5.5 | V | DVDDx |
| Operating Temperature | -40 | - | 85 | °C | - |
| Reference Type | - | - | External, Internal | - | - |
| Output Type | - | - | Voltage - Buffered | - | - |
| Settling Time | - | - | 8 µs | - | - |
| INL/DNL (LSB) | - | - | ±4 (Max), -1/+2 (Max) | - | - |
| Power Consumption per Channel | - | 0.25 | - | mA | Boost mode off |
Key Features
- On-chip Output Amplifiers: Each of the 40 channels has an on-chip output amplifier with rail-to-rail operation, capable of driving a 5 kΩ load to ground.
- Internal Reference: The AD5384 includes an internal 1.25 V/2.5 V reference with a temperature coefficient of ±10 ppm/°C.
- Channel Monitor: An on-chip channel monitor function allows the analog outputs to be multiplexed to a common MON_OUT pin for external monitoring.
- Programmable Gain and Offset: Each channel has a programmable gain and offset adjust register, enabling full calibration of any DAC channel.
- Serial Interface: Compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, as well as I2C-compatible interface supporting up to 400 kHz data transfer rate.
- Power-Down Mode: The device features a power-down mode to reduce power consumption.
- Thermal Monitor: An integrated thermal monitor for temperature monitoring.
Applications
- Variable Optical Attenuators (VOAs): The AD5384 is suitable for controlling variable optical attenuators due to its high channel count and precision.
- Industrial Automation: It can be used in industrial automation systems requiring multiple analog outputs.
- Medical Devices: The device's precision and reliability make it appropriate for medical equipment.
- Aerospace and Defense: Its robust specifications and wide operating temperature range make it suitable for aerospace and defense applications.
Q & A
- What is the number of channels in the AD5384BBCZ-5?
The AD5384BBCZ-5 has 40 channels. - What is the resolution of the AD5384BBCZ-5?
The resolution is 14 bits. - What is the operating temperature range of the AD5384BBCZ-5?
The operating temperature range is -40°C to +85°C. - What types of interfaces does the AD5384BBCZ-5 support?
The device supports SPI, QSPI, MICROWIRE, DSP, and I2C interfaces. - What is the typical power consumption per channel in boost mode off?
The typical power consumption per channel is 0.25 mA with boost mode off. - Does the AD5384BBCZ-5 have an internal reference?
Yes, it includes an internal 1.25 V/2.5 V reference. - What is the settling time of the AD5384BBCZ-5?
The settling time is 8 µs. - Can the gain and offset of each channel be adjusted?
Yes, each channel has a programmable gain and offset adjust register. - What is the maximum short-circuit current of the output amplifier?
The maximum short-circuit current is 40 mA. - Is the AD5384BBCZ-5 RoHS compliant?
No, the AD5384BBCZ-5 is not RoHS compliant as it contains lead.
