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AD5791ARUZ
+BOMIC DAC 20BIT V-OUT 20TSSOP
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ManufacturerAnalog Devices Inc.
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Mfr. Part #AD5791ARUZ
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Datasheet AD5791ARUZ DataSheet
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Package TSSOP-28
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In Stock6520
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Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Active |
| NumberofBits | 20 |
| NumberofD/AConverters | 1 |
| SettlingTime | 1µs (Typ) |
| OutputType | Voltage - Unbuffered |
| DifferentialOutput | No |
| DataInterface | SPI, DSP |
| ReferenceType | External |
| Voltage-SupplyAnalog | 7.5V ~ 16.5V, -2.5V ~ 16.5V |
| Voltage-SupplyDigital | 2.7V ~ 5.5V |
| INL/DNL(LSB) | ±2, ±1 |
| Architecture | R-2R |
| OperatingTemperature | -40°C ~ 125°C |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) |
| SupplierDevicePackage | 20-TSSOP |
Overview
Description
Key features:
- Low noise (1.2 µVpp) and low drift (0.05 ppm/°C) for stable performance.
- SPI-compatible serial interface for easy microcontroller integration.
- Fast settling time (0.5 µs) for dynamic applications.
- On-chip reference buffer simplifies design.
Applications include test equipment, medical imaging, and industrial automation where high resolution and precision are critical. The TSSOP-20 package ensures compact PCB integration.
For detailed specs, refer to the datasheet on Analog Devices' website.
Equivalent
- AD5781ARUZ: 18-bit, similar performance.
- AD5790BRUZ: 20-bit, lower noise.
- LTC2758: 20-bit, from Linear Tech (now Analog Devices).
- DAC1220 (TI): 20-bit, lower cost alternative.
- MAX5719 (Maxim): 20-bit, comparable specs.
Check datasheets for exact compatibility in voltage range, interface, and package.
Features
- Resolution: 20-bit, ensuring fine output granularity.
- Interface: SPI-compatible (3-wire, up to 50 MHz).
- Output Range: Programmable (±10 V, ±5 V, 0 to +10 V, 0 to +5 V).
- Low Noise: 1.25 µV p-p (0.1 Hz to 10 Hz).
- Low Glitch: 1 nV-s for minimal transient errors.
- High Accuracy: ±1 LSB INL (max), ±1 LSB DNL (max).
- Settling Time: 10 µs to ±1 LSB.
- Power Supply: Dual (±11.4 V to ±16.5 V) and digital (+2.7 V to +5.5 V).
- Temperature Range: -40°C to +105°C.
- Package: 20-lead TSSOP.
Ideal for test equipment, industrial automation, and medical devices requiring high precision and stability.
Pinout
### Key Functions:
- High-resolution output: 20-bit resolution with ±1 LSB INL/DNL.
- Voltage output: ±10 V, ±5 V, or +5 V ranges (programmable).
- Interface: SPI-compatible serial interface (3-wire, up to 50 MHz).
- Reference input: External reference voltage required (up to 10 V).
- Power supply: Requires dual supplies (±11.4 V to ±16.5 V) and a logic supply (2.7 V to 5.5 V).
- Control pins: Includes LDAC (load DAC), CLR (clear), and RESET for synchronization.
### Applications:
- Precision instrumentation, automated test equipment, and medical systems.
The pinout includes power supplies (VDD, VSS, VREF), digital control (SCLK, SDIN, SYNC), and analog output (VOUT).
Manufacturer
Application
- Test & Measurement Equipment (calibration, signal generation)
- Medical Imaging Systems (MRI, CT scanners)
- Industrial Automation (process control, PLCs)
- Communications (base stations, radar systems)
- Scientific Instruments (spectroscopy, particle detectors)
Its ±1 LSB INL/DNL and low glitch make it ideal for critical systems demanding stability and resolution.
