Overview
The AD5384BBCZ-5REEL7 is a 40-channel, 14-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the denseDAC® family and is designed for high-density applications. It operates on a single supply and is available in a 100-ball CSP_BGA package. The AD5384 features 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 analog outputs.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 14 bits | ||||
| Number of Channels | 40 | ||||
| Supply Voltage (AVDDx, DVDDx) | 2.7 | 5.5 | V | ||
| Reference Voltage | 1.22 | 2.5 | 1.28 | V | CR12 = 0 or 1 |
| Reference Temperature Coefficient | ±10 | ±15 | ppm/°C | 25°C to 85°C or -40°C to 85°C | |
| Output Voltage Range | 0 | AVDD | V | ||
| Output Impedance | 800 | Ω | |||
| Short-Circuit Current | 40 | mA | |||
| Load Current | -1 | 1 | mA | ||
| Power Consumption per Channel | 0.25 | mA | Boost mode off | ||
| Temperature Range | -40 | 85 | °C | ||
Key Features
- Guaranteed monotonicity with relative accuracy (INL) of ±4 LSB maximum.
- On-chip 1.25 V/2.5 V reference with a temperature coefficient of ±10 ppm/°C.
- Rail-to-rail output amplifiers.
- Serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards, with speeds up to 30 MHz, and I2C-compatible interface up to 400 kHz.
- Channel monitor function for external monitoring of analog outputs.
- Output amplifier boost mode to optimize slew rate.
- User-programmable gain and offset adjust for each channel.
- Power-down feature to reduce current consumption.
- Toggle mode for square wave generation.
- Thermal monitor.
Applications
- Variable optical attenuators (VOAs).
- Industrial control systems.
- Aerospace and defense applications.
- Medical devices requiring high channel density and precision.
- Automotive systems where multiple analog outputs are necessary.
Q & A
- What is the resolution of the AD5384BBCZ-5REEL7? The AD5384BBCZ-5REEL7 has a resolution of 14 bits.
- How many channels does the AD5384BBCZ-5REEL7 have? The AD5384BBCZ-5REEL7 has 40 channels.
- What is the supply voltage range for the AD5384BBCZ-5REEL7? The supply voltage range is from 2.7 V to 5.5 V.
- What is the reference voltage for the AD5384BBCZ-5REEL7? The reference voltage is 1.25 V or 2.5 V, depending on the configuration.
- Does the AD5384BBCZ-5REEL7 have a power-down feature? Yes, the AD5384BBCZ-5REEL7 has a power-down feature to reduce current consumption.
- What interfaces are supported by the AD5384BBCZ-5REEL7? The AD5384BBCZ-5REEL7 supports SPI, QSPI, MICROWIRE, DSP, and I2C interfaces.
- What is the temperature range for the AD5384BBCZ-5REEL7? The temperature range is from -40°C to +85°C.
- Can the output amplifiers of the AD5384BBCZ-5REEL7 operate in rail-to-rail mode? Yes, the output amplifiers have rail-to-rail operation.
- Is the AD5384BBCZ-5REEL7 calibrated using an external reference? The AD5384BBCZ-5REEL7 can be calibrated using an external 2.5 V reference.
- What is the typical power consumption per channel of the AD5384BBCZ-5REEL7? The typical power consumption per channel is 0.25 mA with boost mode off.
