| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Cirrus Logic |
IC DAC 24BIT V-OUT 8SOIC |
0 |
|
 |
Cirrus Logic |
STEREO DAC FOR DIGITAL AUDIO |
20 |
|
 |
Cirrus Logic |
IC DAC 24BIT V-OUT 8SOIC |
0 |
|
 |
Cirrus Logic |
DAC, 18-BIT, 1 FUNC PDIP28 |
3857 |
|
 |
Cirrus Logic |
24-BIT, 192 KHZ STEREO DAC |
18000 |
|
 |
Cirrus Logic |
24-BIT, 192 KHZ 6 CHANNEL DAC |
98734 |
|
 |
Cirrus Logic |
IC DAC 32BIT V-OUT 40QFN |
0 |
|
 |
Cirrus Logic |
CS43032 |
0 |
|
|
Cirrus Logic |
24 BIT DIFFERENTIAL STEREO DAC |
2000 |
|
|
Cirrus Logic |
LOW VOLTAGE, STEREO DAC WITH HE |
0 |
|
Digital-to-Analog Converters (DACs) are semiconductor devices that convert digital signals into analog voltages or currents. They serve as critical interfaces between digital systems and real-world analog environments. DACs are essential in applications requiring precise control of analog outputs, such as audio processing, industrial automation, and communication systems. Their performance directly impacts signal fidelity, system accuracy, and overall efficiency in data acquisition chains.
| Type | Functional Characteristics | Application Examples |
|---|---|---|
| Current-Steering DAC | High-speed operation using switched current sources | RF signal generation, high-speed test equipment |
| Voltage-Output DAC | Direct voltage generation with built-in amplifiers | Process control, sensor calibration |
| Multiplixing DAC | Supports variable reference inputs for signal modulation | Digital gain control, programmable power supplies |
| Pipeline DAC | Segmented architecture for high sample rates | Communication transmitters, video processing |
| Sigma-Delta ( - ) DAC | High-resolution with noise shaping techniques | Audio systems, precision measurement instruments |
A typical DAC IC comprises: - Digital Interface (SPI, I2C, or parallel bus) - Decoder Circuitry for binary/thermometer code conversion - Resistor/Capacitor Arrays for weighted signal summation - Switch Matrix controlling current/voltage paths - Output Amplifier conditioning the analog signal - Reference Voltage Source ensuring conversion stability Modern DACs often integrate calibration logic and temperature compensation circuits in QFN, TSSOP, or BGA packages.
| Parameter | Significance |
|---|---|
| Resolution (bits) | Determines the smallest analog change (e.g., 12-bit 4096 steps) |
| Sample Rate (SPS) | Maximum conversion speed (up to 10 GSPS in RF DACs) |
| Integral Nonlinearity (INL) | Measures deviation from ideal transfer function |
| Differential Nonlinearity (DNL) | Indicates step size consistency |
| Settling Time | Time to stabilize output after digital input change |
| Power Consumption | Crucial for portable/battery-powered systems |
Main industries include: - Consumer Electronics: Smartphones (audio DACs), streaming devices - Industrial Automation: PLC systems, CNC machine control - Medical Equipment: MRI imaging systems, patient monitoring - Telecommunications: Optical modems, 5G base stations - Test & Measurement: Signal generators, oscilloscopes - Automotive: EV battery management, ADAS sensor calibration
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Texas Instruments | DAC38J84 | 16-bit, 2.5 GSPS RF DAC with JESD204B interface |
| Analog Devices | AD5755 | 16-channel, industrial voltage/current output DAC |
| Maxim Integrated | MAX5134 | 10-bit, 1.8V low-power video DAC |
| Nordic Semiconductor | nRF21540 | RF front-end with integrated DAC for IoT devices |
Key considerations: - Match resolution and speed requirements (e.g., audio vs. RF applications) - Evaluate output type (current/voltage) and drive capability - Assess linearity specifications (INL/DNL) for precision needs - Consider power budget and thermal management - Verify digital interface compatibility (SPI, I2C, etc.) - Temperature range and package type for environmental conditions - Calibration features for long-term stability
Current development directions include: - Integration with ADCs and signal processors in SoC solutions - Advancements in R-2R ladder architectures for higher precision - Development of radiation-hardened DACs for aerospace applications - Energy-efficient designs for IoT edge devices - Expansion of AI-driven calibration algorithms - Adoption of advanced packaging (e.g., 3D stacking) for higher density Market growth is driven by 5G infrastructure, autonomous vehicles, and industrial IoT deployments requiring high-speed, high-accuracy signal conversion.