Overview
The AD7545KNZ is a monolithic 12-bit CMOS multiplying Digital-to-Analog Converter (DAC) with onboard data latches, manufactured by Analog Devices Inc. This device is designed for single supply operation and is suitable for applications with wide temperature variations. It can be powered with a supply voltage ranging from +5 V to +15 V and is particularly low in power consumption, dissipating less than 0.5 mW at VDD = +5 V. The AD7545KNZ directly interfaces with most 12- and 16-bit bus systems, making it versatile for various microprocessor-based systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Supply Voltage Range | +5 V to +15 V |
| Power Consumption (VDD = +5 V) | < 0.5 mW |
| Settling Time | 2 μs |
| Integral Nonlinearity (INL) | ±1 LSB |
| Differential Nonlinearity (DNL) | ±1 LSB |
| Input High Voltage (VIH) | 2.4 V min to 13.5 V max |
| Input Low Voltage (VIL) | 0.8 V max to 1.5 V max |
| Input Current (IIN) | ±1 μA max to ±10 μA max |
| Input Capacitance | 5 pF max |
| Output Capacitance | 70 pF max to 200 pF max |
| Package Type | 20-Lead PDIP (0.300, 7.62mm) |
Key Features
- Monolithic 12-bit CMOS multiplying DAC with onboard data latches.
- Single supply operation from +5 V to +15 V.
- Low power consumption: less than 0.5 mW at VDD = +5 V.
- Fast TTL compatible data latches.
- Latch free operation; no Schottky protection diode required.
- Direct interface to most 12- and 16-bit bus systems.
- Low cost and ideal for battery-operated equipment.
- On-chip capacitive coupling minimized by separating analog and digital pins.
Applications
The AD7545KNZ is suitable for a variety of applications, including:
- Microprocessor-based systems: Directly interfaces with 8- and 16-bit microprocessors.
- Battery-operated equipment: Low power consumption makes it ideal for battery-powered devices.
- Industrial control systems: Wide temperature range and robust design make it suitable for industrial environments.
- Medical devices: Precise and stable output necessary for medical applications.
- Aerospace and defense: Reliable operation over a wide temperature range.
Q & A
- What is the AD7545KNZ?
The AD7545KNZ is a 12-bit CMOS multiplying DAC with onboard data latches, manufactured by Analog Devices Inc. - What is the supply voltage range for the AD7545KNZ?
The supply voltage range is from +5 V to +15 V. - How much power does the AD7545KNZ consume at VDD = +5 V?
It consumes less than 0.5 mW at VDD = +5 V. - What is the settling time of the AD7545KNZ?
The settling time is 2 μs. - What is the Integral Nonlinearity (INL) of the AD7545KNZ?
The INL is ±1 LSB. - Can the AD7545KNZ be used with 8-bit microprocessors?
Yes, it can directly interface with 8-bit microprocessors via its 12-bit wide data latch. - How does the AD7545KNZ minimize digital glitches?
It minimizes digital glitches by separating the analog pins from the digital pins and using a ground track to screen the analog pins. - What package types are available for the AD7545KNZ?
The AD7545KNZ is available in a 20-Lead PDIP (0.300, 7.62mm) package. - Is the AD7545KNZ suitable for battery-operated equipment?
Yes, it is ideal for battery-operated equipment due to its low power consumption. - What are some common applications of the AD7545KNZ?
Common applications include microprocessor-based systems, battery-operated equipment, industrial control systems, medical devices, and aerospace and defense.
