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DAC1220E
+StücklisteIC DAC 20BIT V-OUT 16SSOP
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HerstellerTexas Instruments
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Herstellerteil #DAC1220E
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Paket SSOP-16
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Auf Lager7778
365 Tage Qualitätsgarantie
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Spezifikationen
| Attribut | Wert |
| Package | Tube |
| ProductStatus | Active |
| NumberofBits | 20 |
| NumberofD/AConverters | 1 |
| SettlingTime | 2ms |
| OutputType | Voltage - Unbuffered |
| DifferentialOutput | No |
| DataInterface | SPI |
| ReferenceType | External |
| Voltage-SupplyAnalog | 5V |
| Voltage-SupplyDigital | 5V |
| Architecture | Sigma-Delta |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 16-SSOP (0.154, 3.90mm Width) |
| SupplierDevicePackage | 16-SSOP |
Übersicht
Description
Key specifications:
- Resolution: 20 bits
- Output: Voltage (0V to Vref)
- Interface: SPI/I²C (up to 50 MHz)
- INL/DNL: ±2 LSB (max)
- Power Supply: 2.7V to 5.5V
The DAC1220E includes an on-chip reference buffer, reducing external components. It’s ideal for industrial control, test equipment, and medical devices requiring fine analog signal generation.
Its low power consumption (0.6 mA typical) and small package (TSSOP-16) make it suitable for space-constrained designs. Calibration options ensure long-term accuracy.
For detailed operation, refer to the datasheet.
Equivalent
- DAC1220 (same family, different package)
- LTC2636 (12-bit, but high precision)
- AD5791 (20-bit, higher performance)
- MAX5715 (20-bit, low-power alternative)
- MCP4728 (12-bit, I²C interface)
Check datasheets for exact compatibility in voltage range, interface, and resolution.
Features
- Resolution: 20-bit monotonicity ensures high precision.
- Interface: Serial (SPI-compatible) for easy microcontroller integration.
- Output: Voltage output (0V to Vref) with a built-in output amplifier.
- Reference Input: External reference voltage (up to 5V).
- Low Power: Typically consumes 1.5mW at 5V, suitable for battery-powered devices.
- Settling Time: Fast 10µs settling time for rapid response.
- Packaging: 8-pin SOIC for compact designs.
- Applications: Precision instrumentation, industrial control, and audio systems.
Its high resolution and low power make it ideal for demanding analog output applications.
Pinout
- Analog Output (Pin 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16): Provides high-resolution voltage output.
- Digital Interface (SPI/I2C): For communication with microcontrollers (pins vary by mode).
- Reference Input (Pin X): Accepts external voltage reference.
- Power Supply (VDD, GND): Typically +5V or +3.3V.
- Control Pins (LDAC, CLR): For synchronization and reset.
Exact pin functions depend on the configuration (e.g., unipolar/bipolar mode). Check the datasheet for detailed pinout.
Application
- Industrial automation (process control, calibration)
- Test & measurement equipment (signal generators, data acquisition)
- Medical devices (imaging systems, diagnostic tools)
- Audio systems (high-fidelity digital audio processing)
- Automotive electronics (sensor calibration, control systems)
Its high resolution, low drift, and SPI interface make it ideal for precision analog output in demanding environments.