Overview
The DAC8565IBPWRG4 from Texas Instruments is a 16-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 DAC8565 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 | 16 | - | - | Bits |
| Relative Accuracy | ±4 | - | ±12 | LSB |
| Differential Nonlinearity | ±0.5 | - | ±1 | LSB |
| Offset Error | ±5 | - | ±8 | mV |
| Full-Scale Error | ±0.2 | - | ±0.5 | % of FSR |
| Gain Error | ±0.05 | - | ±0.2 | % of FSR |
| Internal Reference Voltage | 2.4975 | 2.5 | 2.5025 | V |
| Internal Reference Temperature Drift | 2 | 5 | - | ppm/°C |
| Power Supply Range | +2.7V | - | +5.5V | V |
| Operating Temperature Range | –40°C | - | +105°C | °C |
| Settling Time | 10μs | - | - | to ±0.003% FSR |
| Power Consumption (Normal Mode) | - | 2.9mW @ 3V | - | mW |
| Power Consumption (Power-Down Mode) | - | 1.5μW | - | μW |
Key Features
- Ultra-low glitch energy of 0.15nV-s
- Internal 2.5V reference with 0.004% initial accuracy and 2ppm/°C temperature drift
- 16-bit resolution with monotonic performance over the entire temperature range
- Settling time of 10μs to ±0.003% full-scale range (FSR)
- Low power consumption: 1mA at 5V and 1.5μW in power-down mode
- Wide power supply range: +2.7V to +5.5V
- Operating temperature range: –40°C to +105°C
- On-chip output buffer amplifier with rail-to-rail operation
- Power-on reset to zero-scale or midscale
- Asynchronous clear to zero-scale or midscale
- Low-power serial interface with Schmitt-triggered inputs up to 50MHz
- 1.8V to 5.5V logic compatibility
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 DAC8565?
The DAC8565 has a 16-bit resolution.
- What is the glitch energy of the DAC8565?
The glitch energy of the DAC8565 is 0.15nV-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 settling time of the DAC8565?
The settling time is 10μs to ±0.003% full-scale range (FSR).
- What is the power consumption of the DAC8565 in normal and power-down modes?
In normal mode, it consumes 2.9mW at 3V, and in power-down mode, it consumes 1.5μW.
- What is the operating temperature range of the DAC8565?
The operating temperature range is –40°C to +105°C.
- Does the DAC8565 have a power-on reset feature?
Yes, the DAC8565 has a power-on reset feature that ensures the DAC output powers up at either zero-scale or midscale.
- What is the maximum clock rate for the serial interface of the DAC8565?
The serial interface operates at clock rates up to 50MHz.
- Is the DAC8565 compatible with other DAC models from Texas Instruments?
Yes, it is functionally compatible with the DAC7564, DAC8164, DAC7565, DAC8165, and DAC8564.
- What package options are available for the DAC8565?
The DAC8565 is available in a TSSOP-16 package.
