Overview
The TLV5624IDGKR is an 8-bit voltage output Digital-to-Analog Converter (DAC) produced by Texas Instruments. This device is part of the TLV5624 series and is specifically designed for industrial temperature ranges, operating from -40°C to 85°C. It features a flexible 4-wire serial interface compatible with TMS320 and SPI serial ports, making it versatile for various applications. The TLV5624IDGKR is implemented using a CMOS process and operates on a single supply voltage from 2.7 V to 5.5 V. It is available in an 8-pin VSSOP (DGK) package, which helps in reducing board space.
Key Specifications
| Parameter | Test Conditions | MIN | TYP | MAX | Unit |
|---|---|---|---|---|---|
| Resolution | 8 | bits | |||
| Supply Voltage, VDD | VDD = 5 V | 4.5 | 5 | 5.5 | V |
| Supply Voltage, VDD | VDD = 3 V | 2.7 | 3 | 3.3 | V |
| Operating Free-Air Temperature, TA | -40 | 85 | °C | ||
| Integral Nonlinearity (INL) | ±0.3 | ±0.5 | LSB | ||
| Differential Nonlinearity (DNL) | ±0.07 | ±0.2 | LSB | ||
| Output Settling Time, Full Scale (Fast Mode) | RL = 10 kΩ, CL = 100 pF | 1 | 3 | µs | |
| Output Settling Time, Full Scale (Slow Mode) | RL = 10 kΩ, CL = 100 pF | 3.5 | 7 | µs | |
| Reference Voltage (Internal) | VDD = 5 V | 2.027 | 2.048 | 2.069 | V |
| Reference Voltage (Internal) | VDD = 3 V | 1.003 | 1.024 | 1.045 | V |
| Output Source Current (Reference) | 1 | mA |
Key Features
- 8-Bit Voltage Output DAC: Provides high resolution for precise analog output.
- Programmable Internal Reference: Allows for flexibility in system design with an internal reference voltage.
- Programmable Settling Time: Offers fast and slow modes to optimize between speed and power dissipation.
- Compatible with TMS320 and SPI Serial Ports: Enables glueless interface with various microcontrollers and DSPs.
- Differential Nonlinearity < 0.2 LSB: Ensures high accuracy and linearity of the output voltage.
- Monotonic Over Temperature: Maintains consistent output behavior across different temperatures.
- Rail-to-Rail Output Buffer: Provides a buffered output voltage that can source up to 1 mA.
- Single Supply Operation: Operates from 2.7 V to 5.5 V, making it suitable for a wide range of applications.
- Compact Packaging: Available in 8-pin SOIC and MSOP packages to reduce board space.
Applications
- Digital Servo Control Loops: Used for precise control in servo systems.
- Digital Offset and Gain Adjustment: Utilized in applications requiring adjustable gain and offset.
- Industrial Process Control: Suitable for controlling and monitoring industrial processes.
- Machine and Motion Control Devices: Employed in motion control systems for precision and reliability.
- Mass Storage Devices: Used in storage devices for precise voltage control.
Q & A
- What is the resolution of the TLV5624IDGKR DAC?
The TLV5624IDGKR has an 8-bit resolution.
- What is the operating temperature range of the TLV5624IDGKR?
The operating temperature range is from -40°C to 85°C.
- What are the supply voltage ranges for the TLV5624IDGKR?
The device operates from 2.7 V to 5.5 V.
- What is the maximum serial clock frequency for the TLV5624IDGKR?
The maximum serial clock frequency is 20 MHz.
- How does the programmable settling time feature work?
The settling time can be programmed to either fast mode (1 µs) or slow mode (3.5 µs) to balance between speed and power consumption.
- Is the TLV5624IDGKR compatible with SPI and TMS320 serial ports?
Yes, it is compatible with both SPI and TMS320 serial ports.
- What is the differential nonlinearity of the TLV5624IDGKR?
The differential nonlinearity is less than 0.2 LSB.
- Can the TLV5624IDGKR be used as a system reference?
Yes, the internal reference can source up to 1 mA and can be used as a system reference.
- What are the package options available for the TLV5624IDGKR?
The device is available in 8-pin VSSOP (DGK) packages.
- Is the TLV5624IDGKR suitable for industrial applications?
Yes, it is designed for industrial temperature ranges and is suitable for various industrial applications.
