Overview
The AD9240ASZRL, produced by Analog Devices Inc., is a 14-bit, 10 MSPS (Mega Samples Per Second) monolithic analog-to-digital converter (ADC). This device combines a low-cost, high-speed CMOS process with a novel architecture to achieve high resolution and speed at a fraction of the power consumption and cost of existing hybrid implementations. It features a complete single-chip sampling function, including an on-chip, high-performance, low-noise sample-and-hold amplifier and a programmable voltage reference. The AD9240 is designed to operate on a single +5 V supply, making it highly efficient and versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 10 MSPS |
| Power Supply | Single +5 V |
| Power Dissipation | 285 mW |
| Integral Nonlinearity Error | 2.5 LSB |
| Differential Nonlinearity Error | 0.6 LSB |
| Input Referred Noise | 0.36 LSB rms |
| Signal-to-Noise and Distortion Ratio | 77.5 dB |
| Spurious-Free Dynamic Range | 90 dB |
| Package Type | 44-Lead MQFP (13.2mm x 10mm) |
| Operating Temperature Range | -55°C to +85°C |
Key Features
- Low Power Dissipation: Consumes only 285 mW on a single +5 V power supply.
- On-Chip Sample-and-Hold Amplifier and Voltage Reference: High-performance, low-noise sample-and-hold amplifier and programmable voltage reference.
- Flexible Analog Input Range: Can be configured for either single-ended or differential inputs of varying input spans.
- Flexible Digital Outputs: Digital outputs can be configured to interface with +3 V and +5 V CMOS logic families.
- Excellent AC Performance and Low Noise: Provides nearly 13 ENOB (Effective Number of Bits) performance and has an input referred noise of 0.36 LSB rms.
- Out-of-Range Indicator: Indicates an overflow condition which can be used with the most significant bit to determine low or high overflow.
- Excellent Undersampling Performance: Well suited for Direct-IF Down Conversion extending to 45 MHz.
Applications
- Imaging Systems: Suitable for high-speed imaging applications due to its flexible input structure and high sampling rate.
- Communications Systems: Ideal for communication systems employing Direct-IF Down Conversion, offering excellent dynamic performance beyond the specified Nyquist frequency.
- Medical Systems: Used in medical devices requiring high-resolution and low-noise analog-to-digital conversion.
- Data-Acquisition Systems: Applicable in data-acquisition systems that require fast and accurate analog-to-digital conversion.
Q & A
- What is the resolution of the AD9240ASZRL?
The AD9240ASZRL has a resolution of 14 bits.
- What is the maximum sampling rate of the AD9240ASZRL?
The maximum sampling rate is 10 MSPS.
- What is the power supply requirement for the AD9240ASZRL?
The device operates on a single +5 V power supply.
- How much power does the AD9240ASZRL consume?
The device consumes 285 mW of power.
- What is the integral nonlinearity error of the AD9240ASZRL?
The integral nonlinearity error is 2.5 LSB.
- Can the AD9240ASZRL be used in differential input mode?
Yes, the device can be configured for both single-ended and differential inputs.
- What is the signal-to-noise and distortion ratio of the AD9240ASZRL?
The signal-to-noise and distortion ratio is 77.5 dB.
- Is the AD9240ASZRL suitable for Direct-IF Down Conversion?
Yes, it is well suited for Direct-IF Down Conversion extending to 45 MHz.
- What is the operating temperature range of the AD9240ASZRL?
The operating temperature range is -55°C to +85°C.
- What type of package does the AD9240ASZRL come in?
The device comes in a 44-Lead MQFP package.
