Features and Benefits
- Complete dual, 16-bit, digital-to-analog converter (DAC)
- Programmable output range: ±10 V, ±10.2564 V, or ±10.5263 V
- ±1 LSB maximum INL error, ±1 LSB maximum DNL error
- Low noise: 60 nV/√Hz
- Settling time: 10 µs maximum
- Integrated reference buffers
- Internal reference: 10 ppm/°C maximum
- On-chip die temperature sensor
- Output control during power-up/brownout
- Programmable short-circuit protection
- Simultaneous updating via LDAC
- Asynchronous CLR to zero code
- Digital offset and gain adjust
- Logic output control pins
- DSP-/microcontroller-compatible serial interface
- Temperature range: −40°C to +85°C
- Industrial complementary metal-oxide semiconductor (iCMOS) process technology
The AD5762R is a dual, 16-bit, serial input, bipolar voltage output DAC that operates from supply voltages of ±11.4 V to ±16.5 V. Nominal full-scale output range is ±10 V. The AD5762R provides integrated output amplifiers, reference buffers, and proprietary power-up/power-down control circuitry. The device also features a digital input/output port, programmed via the serial interface, and an analog temperature sensor. The device incorporates digital offset and gain adjust registers per channel.
The AD5762R is a high performance converter that provides guaranteed monotonicity, an integral nonlinearity (INL) of ±1 LSB, low noise, and a 10 µs settling time. The AD5762R includes an on-chip 5 V reference with a reference temperature coefficient of 10 ppm/°C maximum. During power-up when the supply voltages are changing, VOUTx is clamped to 0 V via a low impedance path.
The AD5762R is based on the iCMOS® technology platform, which is designed for analog systems designers within industrial/instrumentation equipment original equipment manufacturers (OEMs) who need high performance ICs at higher voltage levels. iCMOS enables the development of analog ICs capable of 30 V and operation at ±15 V supplies, while allowing reductions in power consumption and package size coupled with increased ac and dc performance.
The AD5762R uses a serial interface that operates at clock rates of up to 30 MHz and is compatible with DSP and microcontroller interface standards. Double buffering allows the simultaneous updating of all DACs. The input coding is programmable to either twos complement or offset binary formats. The asynchronous clear function clears all DAC registers to either bipolar zero or zero scale, depending on the coding used. The AD5762R is ideal for both closed-loop servo control and open-loop control applications. The AD5762R is available in a 32-lead TQFP and offers guaranteed specifications over the −40°C to +85°C industrial temperature range.
- Industrial automation
- Open-loop/closed-loop servo control
- Process control
- Data acquisition systems
- Automatic test equipment
- Automotive test and measurement
- High accuracy instrumentation
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
Tools & Simulations
Precision DAC Error Budget Tool
The Precision DAC Error Budget Tool is a web application that calculates the DC Accuracy of precision DAC signal chains. It shows how the static errors accumulate throughout your signal chain to quickly evaluate the design tradeoffs. Calculations include the DC errors introduced by Voltage References, Operation Amplifiers and Precision DACs.
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.