Overview
The AD7920AKSZ-REEL7 is a high-speed, low-power, 12-bit successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to operate from a single 2.35 V to 5.25 V power supply and features a throughput rate of up to 250 kSPS. The AD7920 is housed in a compact 6-lead SC70 package, making it ideal for space-constrained applications. It includes a low-noise, wide bandwidth track/hold amplifier capable of handling input frequencies in excess of 6 MHz.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Resolution | 12 bits | The number of bits in the digital output of the ADC. |
| Sampling Rate | Up to 250 kSPS | The maximum rate at which the ADC can sample the analog input signal. |
| Power Supply | 2.35 V to 5.25 V | The range of the single power supply voltage required to operate the ADC. |
| Package Type | 6-Lead SC70 | The physical package of the component. |
| Input Type | Single-Ended | The type of analog input signal the ADC can handle. |
| Analog Input Range | 0 to VDD | The range of the analog input signal that the ADC can convert. |
| Temperature Range | -40°C to +85°C | The operating temperature range of the component. |
| Architecture | Successive Approximation (SAR) | The conversion architecture used by the ADC. |
Key Features
- High Throughput Rate: The AD7920 can achieve throughput rates of up to 250 kSPS, making it suitable for high-speed applications.
- Low Power Consumption: The component uses advanced design techniques to achieve very low power dissipation at high throughput rates, with a power-down mode to maximize power efficiency.
- Flexible Power and Serial Clock Management: The conversion rate is determined by the serial clock speed, allowing for reduced average power consumption when in power-down mode.
- Compact Package: The 6-lead SC70 package offers significant space-saving advantages, making it ideal for compact designs.
- No External Reference Required: The reference for the ADC is derived from the power supply, providing the widest dynamic input range.
- Low-Noise Track/Hold Amplifier: Capable of handling input frequencies in excess of 6 MHz.
Applications
- Industrial Control Systems: Suitable for high-speed data acquisition in industrial control environments.
- Medical Devices: Can be used in medical equipment requiring precise and fast analog-to-digital conversion.
- Aerospace and Defense: The component's robust design and wide operating temperature range make it suitable for aerospace and defense applications.
- Automotive Systems: Can be used in automotive systems that require high-speed and low-power ADCs.
- Embedded Systems: Ideal for use in embedded systems where space and power efficiency are critical.
Q & A
- What is the resolution of the AD7920AKSZ-REEL7?
The AD7920AKSZ-REEL7 has a resolution of 12 bits.
- What is the maximum sampling rate of the AD7920AKSZ-REEL7?
The maximum sampling rate is up to 250 kSPS.
- What is the power supply range for the AD7920AKSZ-REEL7?
The power supply range is from 2.35 V to 5.25 V.
- What type of package does the AD7920AKSZ-REEL7 come in?
The component is housed in a 6-lead SC70 package.
- Does the AD7920AKSZ-REEL7 require an external reference voltage?
No, the reference for the ADC is derived from the power supply.
- What is the operating temperature range of the AD7920AKSZ-REEL7?
The operating temperature range is -40°C to +85°C.
- What type of conversion architecture does the AD7920AKSZ-REEL7 use?
The component uses a successive approximation (SAR) architecture.
- How is the conversion process controlled in the AD7920AKSZ-REEL7?
The conversion process is controlled using the CS (Chip Select) and the serial clock (SCLK) inputs.
- Does the AD7920AKSZ-REEL7 have a power-down mode?
Yes, the component features a power-down mode to maximize power efficiency at lower throughput rates.
- What is the input signal range for the AD7920AKSZ-REEL7?
The analog input range is from 0 V to VDD.
