Overview
The AD7541AJNZ is a high-performance, 12-bit monolithic multiplying digital-to-analog converter (DAC) produced by Analog Devices Inc. It is fabricated using advanced, low noise, thin film, complementary metal-oxide semiconductor (CMOS) technology. This device is functionally and pin compatible with the industry standard AD7541, offering improved specifications and performance over its predecessor. The AD7541AJNZ is available in an 18-lead PDIP package and is latch-up free, eliminating the need for output protection Schottky diodes.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 12 | 12 | 12 | Bits | - |
| VDD Range | 5 to 16 | 5 | 16 | V | Accuracy not guaranteed over this range |
| IDDD (Supply Current) | - | - | 2 | mA | All digital inputs at VIL or VIH |
| Digital Input Current | - | - | ±1 μA | μA | Maximum input current requirement |
| Gain Error | - | - | ±3 LSB (premium grade) | LSB | - |
| Gain Error Temperature Coefficient | 2 ppm/°C | - | 5 ppm/°C | ppm/°C | - |
| Output Capacitance (COUT 1, COUT 2) | - | 70 pF | 200 pF | pF | Digital inputs at VIH or VIL |
| Absolute Maximum Ratings (VDD to GND) | - | - | 17 V | V | - |
Key Features
- High Performance: The AD7541AJNZ offers improved specifications and performance over the AD7541, including reduced gain error and gain error temperature coefficient.
- Compatibility: Functionally and pin compatible with the industry standard AD7541, making it a direct replacement for any AD7541 type device.
- Digital Input Compatibility: Digital inputs are TTL/CMOS compatible with a maximum input current requirement of ±1 μA to avoid loading the driving circuitry.
- Latch-Up Free: The design ensures the device is latch-up free, eliminating the need for output protection Schottky diodes.
- Low Noise CMOS Technology: Fabricated using advanced, low noise, thin film CMOS technology.
- Endpoint Linearity: Uses laser wafer trimming to provide full 12-bit endpoint linearity.
Applications
The AD7541AJNZ is suitable for a variety of applications requiring high precision and reliability, including:
- Industrial control systems
- Aerospace and defense systems
- Medical devices
- Test and measurement equipment
- Automotive systems
Q & A
- What is the resolution of the AD7541AJNZ?
The AD7541AJNZ has a resolution of 12 bits.
- What are the package options for the AD7541AJNZ?
The AD7541AJNZ is available in an 18-lead PDIP package.
- Is the AD7541AJNZ compatible with the AD7541?
Yes, the AD7541AJNZ is functionally and pin compatible with the AD7541.
- What is the maximum gain error for the premium grade AD7541AJNZ?
The maximum gain error for the premium grade AD7541AJNZ is ±3 LSB.
- What is the gain error temperature coefficient for the AD7541AJNZ?
The gain error temperature coefficient is typically 2 ppm/°C and a maximum of 5 ppm/°C.
- What is the maximum supply current (IDDD) for the AD7541AJNZ?
The maximum supply current (IDDD) is 2 mA.
- What is the digital input current requirement for the AD7541AJNZ?
The digital input current requirement is a maximum of ±1 μA.
- Is the AD7541AJNZ latch-up free?
Yes, the AD7541AJNZ is latch-up free.
- What technology is used in the fabrication of the AD7541AJNZ?
The AD7541AJNZ is fabricated using advanced, low noise, thin film CMOS technology.
- How does the AD7541AJNZ achieve endpoint linearity?
The AD7541AJNZ uses laser wafer trimming to achieve full 12-bit endpoint linearity.
