Overview
The AD5744RCSUZ is a high-performance, quad, 14-bit, serial input, bipolar voltage output digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is designed for analog systems designers within industrial and instrumentation equipment OEMs who require high-performance ICs at higher voltage levels. The AD5744RCSUZ operates on the iCMOS technology platform, which enables the development of analog ICs capable of 30 V and operation at ±15 V supplies, while reducing power consumption and package size, and enhancing AC and DC performance.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 14 |
| Number of D/A Converters | 4 |
| Settling Time | 10 µs |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | SPI, DSP |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | ±11.4 V ~ ±16.5 V |
| Voltage - Supply, Digital | 2.7 V ~ 5.25 V |
| INL/DNL (LSB) | ±1 (Max), ±1 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 32-TQFP |
| Mounting Type | Surface Mount |
Key Features
- Integrated output amplifiers, reference buffers, and proprietary power-up/power-down control circuitry.
- Digital I/O port programmed via the serial interface.
- Digital offset and gain adjust registers per channel.
- Guaranteed monotonicity, integral nonlinearity (INL) of ±1 LSB, and low noise.
- On-chip 5 V reference with a reference temperature coefficient of 10 ppm/°C maximum.
- Serial interface compatible with DSP and microcontroller interface standards, operating at clock rates up to 30 MHz.
- Double buffering for simultaneous updating of all DACs.
- Programmable input coding to either twos complement or offset binary formats.
- Asynchronous clear function to clear all DAC registers to either bipolar zero or zero scale.
Applications
The AD5744RCSUZ is ideal for various applications, including:
- Closed-loop servo control.
- Open-loop control applications.
- Industrial and instrumentation equipment where high-performance ICs at higher voltage levels are required.
Q & A
- What is the AD5744RCSUZ? The AD5744RCSUZ is a quad, 14-bit, serial input, bipolar voltage output digital-to-analog converter produced by Analog Devices Inc.
- What is the operating voltage range of the AD5744RCSUZ? The AD5744RCSUZ operates from supply voltages of ±11.4 V to ±16.5 V.
- What is the settling time of the AD5744RCSUZ? The settling time is 10 µs.
- What type of data interface does the AD5744RCSUZ use? The AD5744RCSUZ uses a serial interface compatible with SPI and DSP standards.
- What is the temperature range for the AD5744RCSUZ? The operating temperature range is -40°C to 85°C.
- What package type is the AD5744RCSUZ available in? The AD5744RCSUZ is available in a 32-lead TQFP package.
- Does the AD5744RCSUZ have integrated output amplifiers? Yes, the AD5744RCSUZ includes integrated output amplifiers.
- Can the input coding of the AD5744RCSUZ be programmed? Yes, the input coding can be programmed to either twos complement or offset binary formats.
- What is the purpose of the asynchronous clear function in the AD5744RCSUZ? The asynchronous clear function clears all DAC registers to either bipolar zero or zero scale depending on the coding used.
- Is the AD5744RCSUZ suitable for closed-loop servo control? Yes, the AD5744RCSUZ is ideal for both closed-loop servo control and open-loop control applications.
