Overview
The DAC8165IBPWR, produced by Texas Instruments, is a 14-bit, quad-channel, ultra-low glitch, voltage output digital-to-analog converter (DAC). This device is designed for low-power, voltage-output applications and features a high level of accuracy and linearity. It includes a 2.5V internal reference with an initial accuracy of 0.004% and a temperature drift of 2ppm/°C. The DAC8165 is suitable for a wide range of applications, including portable instrumentation, closed-loop servo-control, process control, and data acquisition systems.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Resolution | 14 | - | - | Bits |
| Relative Accuracy | ±1 | - | ±4 | LSB |
| Differential Nonlinearity | ±0.3 | - | ±1 | LSB |
| Offset Error | ±5 | - | ±8 | mV |
| Full-Scale Error | ±0.2 | - | ±0.5 | % of FSR |
| Gain Error | ±0.05 | - | ±0.2 | % of FSR |
| Glitch Energy | - | 0.15 | - | nV-s |
| Internal Reference Voltage | 2.4975 | 2.5 | 2.5025 | V |
| Internal Reference Temperature Drift | 2 | 5 | 25 | ppm/°C |
| Power Supply Range | 2.7 | - | 5.5 | V |
| Power Consumption (Normal Mode) | - | 2.6 | 19 | mW |
| Power Consumption (Power-Down Mode) | - | 1.4 | 9 | μW |
| Operating Temperature Range | -40 | - | 105 | °C |
Key Features
- Ultra-low glitch energy of 0.15 nV-s, ensuring minimal code-to-code transient voltages.
- Internal 2.5V reference with 0.004% initial accuracy and 2ppm/°C temperature drift.
- Low power consumption: 1mA at 5V and 1.3μA in power-down mode at 5V.
- Wide power supply range: +2.7V to +5.5V.
- 14-bit monotonic over the temperature range.
- Settling time of 10μs to ±0.006% full-scale range (FSR).
- Low-power serial interface with Schmitt-triggered inputs up to 50MHz.
- On-chip output buffer amplifier with rail-to-rail operation.
- 1.8V to 5.5V logic compatibility.
- Power-on reset to zero-scale or mid-scale.
- Asynchronous clear to zero-scale or mid-scale.
Applications
- Portable Instrumentation
- Closed-Loop Servo-Control
- Process Control, PLCs
- Data Acquisition Systems
- Programmable Attenuation
- PC Peripherals
Q & A
- What is the resolution of the DAC8165?
The DAC8165 has a resolution of 14 bits.
- What is the glitch energy of the DAC8165?
The glitch energy of the DAC8165 is 0.15 nV-s.
- What is the internal reference voltage and its accuracy?
The internal reference voltage is 2.5V with an initial accuracy of 0.004%.
- What is the power consumption of the DAC8165 in normal mode and power-down mode?
In normal mode, the power consumption is 2.6mW at 3V and up to 19mW at 5V. In power-down mode, it is 1.4μW at 3V and up to 9μW at 5V.
- What is the operating temperature range of the DAC8165?
The operating temperature range is –40°C to +105°C.
- What is the settling time of the DAC8165?
The settling time is 10μs to ±0.006% full-scale range (FSR).
- Does the DAC8165 have a power-on reset feature?
Yes, the DAC8165 has a power-on reset feature that ensures the DAC output powers up at either zero-scale or mid-scale until a valid code is written to the device.
- What is the logic compatibility of the DAC8165?
The DAC8165 has 1.8V to 5.5V logic compatibility.
- What are some common applications of the DAC8165?
Common applications include portable instrumentation, closed-loop servo-control, process control, data acquisition systems, and PC peripherals.
- Is the DAC8165 compatible with other Texas Instruments DAC models?
Yes, the DAC8165 is functionally compatible with the DAC7565, DAC8565, DAC7564, DAC8164, and DAC8564.
