Overview
The AD5440YRUZ-REEL7 is a dual 10-bit, high bandwidth, multiplying digital-to-analog converter (DAC) produced by Analog Devices Inc. This CMOS device is part of the AD5428/AD5440/AD5447 family, which includes 8-, 10-, and 12-bit versions, respectively. The AD5440 operates from a 2.5 V to 5.5 V power supply, making it suitable for battery-powered and other low-voltage applications. It features a parallel interface and is manufactured on a CMOS submicron process, offering excellent 4-quadrant multiplication characteristics with large signal multiplying bandwidths of up to 10 MHz.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| Resolution | - | 10 bits | - | - | - |
| Power Supply | 2.5 V | - | 5.5 V | V | - |
| Current Consumption | - | 0.5 μA | 10 μA | μA | TA = −40°C to +125°C, logic inputs = 0 V or VDD |
| Multiplying Bandwidth | - | - | 10 MHz | Hz | - |
| Output Capacitance | 12 pF | 17 pF | 30 pF | pF | DAC latches loaded with all 0s or all 1s |
| Digital Feedthrough | - | - | 1 nV-sec | nV-sec | Feedthrough to DAC output with CS high and alternate loading of all 0s and all 1s |
| Output Noise Spectral Density | - | 25 nV/√Hz | - | nV/√Hz | @ 1 kHz |
| Analog THD | - | 81 dB | - | dB | VREF = 3.5 V p-p, all 1s loaded, f = 100 kHz |
| Package Type | - | - | 24-Lead TSSOP | - | - |
Key Features
- Dual-channel, current output DAC with 10-bit resolution.
- Operates from a 2.5 V to 5.5 V power supply, suitable for battery-powered applications.
- Excellent 4-quadrant multiplication characteristics with large signal multiplying bandwidths of up to 10 MHz.
- Data readback function allows reading the contents of the DAC register via the DB pins.
- Integrated feedback resistor (RFB) for temperature tracking and full-scale voltage output when combined with an external I-to-V precision amplifier.
- Low power consumption with a typical current of 0.5 μA.
- Guaranteed monotonicity and power-on reset to zero scale.
Applications
- Portable battery-powered applications.
- Waveform generators.
- Analog processing and instrumentation.
- Programmable amplifiers and attenuators.
- Digitally controlled calibration.
- Programmable filters and oscillators.
- Composite video and ultrasound systems.
- Gain, offset, and voltage trimming applications.
Q & A
- What is the resolution of the AD5440YRUZ-REEL7 DAC?
The AD5440YRUZ-REEL7 has a resolution of 10 bits. - What is the operating voltage range of the AD5440YRUZ-REEL7?
The device operates from a 2.5 V to 5.5 V power supply. - What is the typical current consumption of the AD5440YRUZ-REEL7?
The typical current consumption is 0.5 μA. - What is the multiplying bandwidth of the AD5440YRUZ-REEL7?
The multiplying bandwidth is up to 10 MHz. - Does the AD5440YRUZ-REEL7 support data readback?
Yes, it supports data readback via the DB pins). - What type of package is the AD5440YRUZ-REEL7 available in?
The device is available in a 24-Lead TSSOP package. - What are some common applications of the AD5440YRUZ-REEL7?
Common applications include portable battery-powered devices, waveform generators, analog processing, and programmable amplifiers and attenuators). - How does the AD5440YRUZ-REEL7 handle power-on reset?
On power-up, the internal register and latches are filled with zeros, and the DAC outputs are at zero scale). - What is the significance of the integrated feedback resistor (RFB) in the AD5440YRUZ-REEL7?
The integrated feedback resistor provides temperature tracking and full-scale voltage output when combined with an external I-to-V precision amplifier). - Is the AD5440YRUZ-REEL7 guaranteed to be monotonic?
Yes, the device is guaranteed to be monotonic).
