Overview
The TLC5618AQDRG4, produced by Texas Instruments, is a programmable dual 12-bit digital-to-analog converter (DAC). This device is designed for applications requiring precise analog output from digital inputs. It operates on a single 5V supply and features buffered reference inputs with high impedance. The DACs are monotonic, ensuring reliable and consistent output. The device includes a power-on reset function to ensure repeatable start-up conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Supply Voltage (VDD to AGND) | 5 V (max 7 V) |
| Digital Input Voltage Range | -0.3 V to VDD + 0.3 V |
| Reference Input Voltage Range | -0.3 V to VDD + 0.3 V |
| Settling Time | Typical 2.5 µs or 12.5 µs (software selectable) |
| Serial Clock Rate (f(SCLK)) | Up to 20 MHz |
| Update Rate | Up to 1.23 MHz |
| Package/Case | SOIC (D)-8 |
| RoHS Status | Compliant |
Key Features
- Dual 12-bit digital-to-analog converters with buffered reference inputs.
- Monotonic output ensuring reliable performance.
- Single 5V supply operation.
- Power-on reset function for repeatable start-up conditions.
- Digital control via a 3-wire CMOS-compatible serial bus (SPI, QSPI, Microwire standards).
- Schmitt triggers on digital inputs for high noise immunity.
- Software selectable settling time (2.5 µs or 12.5 µs).
- Internal state machine in the TLC5618A version for automated clock counting and update control.
Applications
- Battery operated and remote industrial controls.
- Machine and motion control devices.
- Cellular telephones.
- Any application requiring precise digital-to-analog conversion with low power consumption.
Q & A
- What is the resolution of the TLC5618AQDRG4?
The resolution is 12 bits.
- What is the operating supply voltage range for the TLC5618AQDRG4?
The operating supply voltage range is 5 V, with a maximum of 7 V.
- What are the digital input voltage range and reference input voltage range?
Both ranges are from -0.3 V to VDD + 0.3 V.
- What is the settling time of the TLC5618AQDRG4?
The settling time is typically 2.5 µs or 12.5 µs, which is software selectable.
- What is the maximum serial clock rate for the TLC5618AQDRG4?
The maximum serial clock rate is up to 20 MHz.
- What communication protocols does the TLC5618AQDRG4 support?
The device supports SPI, QSPI, and Microwire standards.
- Does the TLC5618AQDRG4 have an internal state machine?
The TLC5618A version has an internal state machine, but the TLC5618 does not.
- What is the package type of the TLC5618AQDRG4?
The package type is SOIC (D)-8.
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- What are some common applications of the TLC5618AQDRG4?
