Overview
The ADA4930-2YCPZ-R2, produced by Analog Devices Inc., is a high-performance, ultralow noise differential amplifier designed for driving low voltage analog-to-digital converters (ADCs). It is part of the ADA4930 family, which includes the ADA4930-1 and ADA4930-2 models. These amplifiers are fabricated using Analog Devices' proprietary silicon-germanium (SiGe) complementary bipolar process, enabling very low levels of distortion and noise. The ADA4930-2 is particularly suited for applications requiring high speed and low distortion, making it an ideal choice for data acquisition and signal processing systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Noise | 1.2 nV/√Hz | nV/√Hz |
| Input Current Noise | 3 pA/√Hz | pA/√Hz |
| Input Offset Voltage | −3.1 to +3.1 mV | mV |
| Input Offset Voltage Drift | 2.75 μV/°C | μV/°C |
| Input Bias Current | −36 to −16 μA | μA |
| Input Resistance (Differential) | 150 kΩ | kΩ |
| Input Resistance (Common Mode) | 3 MΩ | MΩ |
| Common Mode Rejection Ratio (CMRR) | 74.5 dB | dB |
| Supply Voltage | 3.3 V or 5 V | V |
| Operating Temperature Range | −40°C to +105°C | °C |
| Package Type | Pb-free, 24-lead LFCSP (4mm x 4mm) |
Key Features
- Ultralow noise and low distortion, making it suitable for high-performance ADCs.
- High speed operation, supporting frequencies up to 70 MHz.
- Adjustable output common mode to match the input of the ADC.
- Internal common-mode feedback loop for exceptional output balance and suppression of even-order harmonic distortion.
- Low dc offset and excellent dynamic performance.
- Optimized pinout for easy PCB layout and minimal distortion.
- Power-down feature with fast turn-on and turn-off times.
Applications
The ADA4930-2YCPZ-R2 is well-suited for a wide variety of data acquisition and signal processing applications. These include:
- Driving high-performance ADCs with resolutions up to 14 bits.
- Medical imaging and diagnostic equipment.
- Aerospace and defense systems requiring high reliability and performance.
- Industrial automation and control systems.
- High-speed data acquisition systems.
Q & A
- What is the primary application of the ADA4930-2YCPZ-R2?
The ADA4930-2YCPZ-R2 is primarily used for driving high-performance, low voltage analog-to-digital converters (ADCs) in various data acquisition and signal processing applications. - What is the input voltage noise of the ADA4930-2YCPZ-R2?
The input voltage noise of the ADA4930-2YCPZ-R2 is 1.2 nV/√Hz. - What is the operating temperature range of the ADA4930-2YCPZ-R2?
The operating temperature range of the ADA4930-2YCPZ-R2 is −40°C to +105°C. - What package type is the ADA4930-2YCPZ-R2 available in?
The ADA4930-2YCPZ-R2 is available in a Pb-free, 24-lead LFCSP (4mm x 4mm) package. - What are the supply voltage options for the ADA4930-2YCPZ-R2?
The ADA4930-2YCPZ-R2 can operate with supply voltages of 3.3 V or 5 V. - How does the ADA4930-2YCPZ-R2 handle common-mode feedback?
The ADA4930-2YCPZ-R2 features an internal common-mode feedback loop that provides exceptional output balance and suppression of even-order harmonic distortion. - What is the typical turn-on and turn-off time for the power-down feature of the ADA4930-2YCPZ-R2?
The typical turn-on time is 12 ns, and the typical turn-off time is 1 μs. - What is the common mode rejection ratio (CMRR) of the ADA4930-2YCPZ-R2?
The CMRR of the ADA4930-2YCPZ-R2 is 74.5 dB. - How does the ADA4930-2YCPZ-R2 optimize PCB layout?
The pinout of the ADA4930-2YCPZ-R2 has been optimized to facilitate easy PCB layout and minimize distortion. - What are some of the key industries that use the ADA4930-2YCPZ-R2?
The ADA4930-2YCPZ-R2 is used in various industries including medical imaging, aerospace, defense, industrial automation, and high-speed data acquisition.
