Overview
The AD9243ASZRL is a 14-bit, 3.0 MSPS (Mega Samples Per Second) monolithic analog-to-digital converter (ADC) produced by Analog Devices Inc. This device combines high speed and resolution with low power consumption and cost, making it an attractive option for various data acquisition applications. The AD9243 features a pipelined architecture, an on-chip sample-and-hold amplifier, and a programmable voltage reference, allowing for flexible configuration to suit different application requirements.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14 | Bits |
| Maximum Conversion Rate | 3 | MSPS |
| Input Referred Noise (VREF = 1 V) | 0.9 | LSB rms |
| Input Referred Noise (VREF = 2.5 V) | 0.36 | LSB rms |
| Integral Nonlinearity (INL) | ±2.5 | LSB |
| Differential Nonlinearity (DNL) | ±0.6 | LSB |
| Zero Error (@ +25°C) | 0.3 % FSR | |
| Gain Error (@ +25°C) | 1.5 % FSR | |
| Temperature Drift - Zero Error | 3.0 ppm/°C | |
| Temperature Drift - Gain Error | 20.0 ppm/°C | |
| Power Supply Rejection | 0.1 % FSR | |
| Analog Input Span (with VREF = 1.0 V) | 2 V p-p | |
| Supply Voltage - Analog | 5 V | |
| Supply Voltage - Digital | 5 V | |
| Operating Temperature | -40°C to 85°C | |
| Package Type | 44-QFP |
Key Features
- Pipelined Architecture: Allows for high throughput rates with a latency of three clock cycles.
- Flexible Analog Input Range: Supports both single-ended and differential inputs with varying input spans.
- Programmable Voltage Reference: Can be configured for internal or external reference to meet different accuracy and temperature drift requirements.
- Low Noise Performance: Achieves nearly 13 ENOB (Effective Number of Bits) performance and low input-referred noise.
- Configurable Digital Outputs: Compatible with +3 V and +5 V CMOS logic families.
- High Performance Sample-and-Hold Amplifier: Integrated on-chip for high accuracy and low noise.
Applications
The AD9243ASZRL is suitable for a variety of data acquisition and signal processing applications, including:
- Medical Imaging: Due to its high resolution and low noise, it is ideal for medical imaging systems.
- Industrial Automation: Used in control systems and data acquisition modules for precise measurement and control.
- Communications: Applies to communication systems requiring high-speed and high-resolution ADCs.
- Aerospace and Defense: Utilized in various military and aerospace applications where high accuracy and reliability are crucial.
Q & A
- What is the resolution of the AD9243ASZRL?
The AD9243ASZRL has a resolution of 14 bits. - What is the maximum conversion rate of the AD9243ASZRL?
The maximum conversion rate is 3 MSPS. - What types of analog inputs does the AD9243ASZRL support?
The device supports both single-ended and differential analog inputs. - Can the digital outputs be configured to different logic levels?
Yes, the digital outputs can be configured to interface with +3 V and +5 V CMOS logic families. - What is the operating temperature range of the AD9243ASZRL?
The operating temperature range is -40°C to 85°C. - Does the AD9243ASZRL have an integrated sample-and-hold amplifier?
Yes, it has a high-performance sample-and-hold amplifier integrated on-chip. - Can the voltage reference be configured externally or internally?
Yes, the voltage reference can be configured for either internal or external use. - What is the typical input-referred noise of the AD9243ASZRL with a 2.5 V reference?
The typical input-referred noise is 0.36 LSB rms with a 2.5 V reference. - What is the package type of the AD9243ASZRL?
The package type is 44-QFP. - Is the AD9243ASZRL RoHS compliant?
Yes, the AD9243ASZRL is RoHS compliant.
