Overview
The DAC7614PG4, produced by Texas Instruments, is a quad, serial input, 12-bit, voltage output digital-to-analog converter (DAC). It is designed to provide high accuracy and reliability over a wide temperature range of –40°C to +85°C. The device features a low power consumption of 20mW and can operate in both unipolar and bipolar modes. It is available in various packages, including 16-pin plastic DIP, 16-lead SOIC, and 20-lead SSOP, making it versatile for different application needs.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Linearity Error | VSS = 0V or –5V | ±2 | ±1 | LSB | |
| Linearity Matching | VSS = 0V or –5V | ±2 | ±1 | LSB | |
| Differential Linearity Error | VSS = 0V or –5V | ±1 | ±1 | LSB | |
| Monotonicity | 12 | 6 | Bits | ||
| Zero-Scale Error | Code = 000H | ±4 | 6 | LSB | |
| Zero-Scale Drift | 2 | 5 | 6 | ppm/°C | |
| Full-Scale Error | Code = FFFH | ||||
| Settling Time | 10µs | to 0.012% | |||
| Operating Temperature Range | –40°C | +85°C | |||
| Power Supply | +5V | or ±5V |
Key Features
- Low power consumption: 20mW
- Unipolar or bipolar operation
- Settling time: 10µs to 0.012%
- 12-bit linearity and monotonicity guaranteed over –40°C to +85°C
- User selectable reset to mid-scale or zero-scale
- Small 20-lead SSOP package
- Asynchronous reset input
- Serial interface with chip select, clock, and load DAC signals
Applications
- ATE pin electronics
- Process control
- Closed-loop servo-control
- Motor control
- Data acquisition systems
Q & A
- What is the temperature range for the DAC7614PG4? The DAC7614PG4 operates over a temperature range of –40°C to +85°C.
- What are the power supply options for the DAC7614PG4? The device can be powered from a single +5V supply or from dual ±5V supplies.
- What is the settling time of the DAC7614PG4? The settling time is 10µs to 0.012%.
- Does the DAC7614PG4 support unipolar and bipolar operation? Yes, it supports both unipolar and bipolar operation.
- What is the resolution of the DAC7614PG4? The DAC7614PG4 is a 12-bit DAC.
- How many DACs are integrated into the DAC7614PG4? The DAC7614PG4 is a quad DAC, meaning it has four integrated DACs.
- What is the purpose of the RESETSEL pin? The RESETSEL pin allows the user to select whether the reset sets all DAC registers to zero-scale (000H) or mid-scale (800H).
- What are the package options for the DAC7614PG4? The device is available in 16-pin plastic DIP, 16-lead SOIC, and 20-lead SSOP packages.
- How does the DAC7614PG4 handle digital input? The digital input is a 16-bit serial word that includes a 12-bit DAC code and a 2-bit address code to select one of the four DACs.
- What is the significance of the LOADDACS pin? The LOADDACS pin controls when the selected DAC register becomes transparent or latched.
