Overview
The AD7541JN is a 12-bit, monolithic, multiplying digital-to-analog converter (DAC) produced by Intersil. This device is known for its high performance, low cost, and 12-bit accuracy. It utilizes wafer level laser-trimmed thin-film resistors on CMOS circuitry, ensuring true 12-bit linearity. The AD7541JN is compatible with TTL/CMOS digital inputs and operates over a supply range of +5V to +15V, making it versatile for various applications. It also features full input protection against static discharge and low power dissipation of 20mW.
Key Specifications
| Parameter | Value | Units | Conditions |
|---|---|---|---|
| Resolution | 12 bits | - | - |
| Linearity | 0.01% | - | - |
| Supply Voltage Range | +5V to +15V | V | - |
| Power Dissipation | 20mW | mW | - |
| Current Settling Time | 1µs to 0.01% of FSR | µs | - |
| Temperature Range | 0°C to +70°C | °C | - |
| Input Current (Digital Inputs) | ±1 µA max | µA | VIL or VIH |
| Output Capacitance (COUT1, COUT2) | 200 pF max (VIH), 70 pF max (VIL) | pF | Digital inputs = VIH or VIL |
| Absolute Maximum Ratings (VDD to GND) | 17 V | V | - |
Key Features
- TTL/CMOS compatible digital inputs with low input current requirement (±1 µA max).
- High performance, 12-bit accurate, multiplying DAC with laser wafer trimming for endpoint linearity.
- Full input protection against static discharge through diode clamps to V+ and ground.
- Low power dissipation of 20mW.
- Current settling time of 1µs to 0.01% of Full Scale Range (FSR).
- Four quadrant multiplication capability.
- Latch-up free operation (especially in the AD7541A version).
- Improved gain error and temperature coefficient specifications in the AD7541A version.
Applications
The AD7541JN is suitable for a variety of applications requiring high precision digital-to-analog conversion. These include:
- Industrial control systems where precise analog signals are necessary.
- Aerospace and defense systems requiring high reliability and accuracy.
- Medical devices that demand precise analog outputs.
- Automotive systems for control and monitoring.
- Test and measurement equipment where accurate analog signals are crucial.
Q & A
- What is the resolution of the AD7541JN DAC?
The AD7541JN has a resolution of 12 bits.
- What is the supply voltage range for the AD7541JN?
The supply voltage range is +5V to +15V.
- How much power does the AD7541JN dissipate?
The AD7541JN dissipates 20mW of power.
- Is the AD7541JN protected against static discharge?
- What is the current settling time of the AD7541JN?
- Is the AD7541JN compatible with TTL/CMOS digital inputs?
- What are the temperature range specifications for the AD7541JN?
- Can the AD7541JN be used in four quadrant multiplication?
- What are the key improvements in the AD7541A version compared to the AD7541?
- Is the AD7541A latch-up free?
