Overview
The DAC8551IDGKRG4, produced by Texas Instruments, is a 16-bit, ultralow-glitch, voltage-output digital-to-analog converter (DAC). This device is designed to be small, low-power, and highly accurate, making it ideal for various applications requiring precise analog output. The DAC8551 is monotonic by design, ensuring good linearity and minimizing undesired code-to-code transient voltages. It features a versatile 3-wire serial interface compatible with standard SPI, QSPI, Microwire, and digital signal processor (DSP) interfaces, operating at clock rates up to 30 MHz.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Converters | 1 | - |
| Resolution | 16-bit | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | V |
| Power Consumption (Normal Mode) | 140 μA at 2.7 V, 160 μA at 3.6 V to 5.5 V | μA |
| Power Consumption (Power-Down Mode) | 0.05 μA at 2.7 V to 3.6 V, 0.2 μA at 3.6 V to 5.5 V | μA |
| Glitch Energy | 0.1 nV-s | nV-s |
| Settling Time | 10 μs to ±0.003% FSR | μs |
| Output Voltage Range | 0 V to VREF | V |
| Reference Voltage Input Range | 2.5 V to 5.5 V | V |
| Operating Temperature Range | -40°C to 105°C | °C |
| Package Type | VSSOP (8-pin) | - |
Key Features
- Relative Accuracy: 8LSB
- Glitch Energy: 0.1 nV-s
- MicroPower Operation: 140 μA at 2.7 V
- Power-On Reset to Zero
- On-Chip Output Buffer Amplifier with Rail-to-Rail Operation
- Power-Down Capability
- Binary Input Coding
- SYNC Interrupt Facility
- Drop-In Compatible With DAC85x1 and DAC8550 (2's Complement Input)
- Low-Power Serial Interface with Schmitt-Triggered Inputs
Applications
- Process Control
- Data Acquisition Systems
- Closed-Loop Servo-Control
- PC Peripherals
- Portable Instrumentation
- Programmable Attenuation
Q & A
- What is the resolution of the DAC8551? The DAC8551 has a 16-bit resolution.
- What is the operating supply voltage range for the DAC8551? The operating supply voltage range is from 2.7 V to 5.5 V.
- How much power does the DAC8551 consume in normal operation? The DAC8551 consumes 140 μA at 2.7 V and 160 μA at 3.6 V to 5.5 V in normal operation.
- What is the glitch energy of the DAC8551? The glitch energy is 0.1 nV-s.
- What is the settling time of the DAC8551? The settling time is 10 μs to ±0.003% FSR.
- Does the DAC8551 have a power-on reset feature? Yes, the DAC8551 has a power-on reset feature that sets the output to 0 V until a valid write sequence is made.
- What types of interfaces is the DAC8551 compatible with? The DAC8551 is compatible with standard SPI, QSPI, Microwire, and digital signal processor (DSP) interfaces.
- What is the output voltage range of the DAC8551? The output voltage range is from 0 V to VREF.
- What are the power-down modes of the DAC8551? The DAC8551 supports four power-down modes, including normal operation, output typically 1 kΩ to GND, output typically 100 kΩ to GND, and high-Z mode.
- What is the package type of the DAC8551IDGKRG4? The package type is VSSOP (8-pin).
