Overview
The AD9235BCPZ-40 is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD9235 family, which is known for its advanced technology and versatility in various applications. The AD9235BCPZ-40 operates with a single 3 V power supply and features a separate digital output driver supply to accommodate 2.5 V and 3.3 V logic families. It is designed to provide high-speed data acquisition and precision measurements, making it ideal for demanding signal processing tasks.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Series | AD9235 | Mounting Style | SMD/SMT |
| Resolution | 12 bit | Number of Channels | 1 Channel |
| Interface Type | Parallel | Sampling Rate | 40 MS/s |
| Input Type | Differential, Single Ended | Architecture | Pipelined |
| Analog Supply Voltage | 2.7 V to 3.6 V | Digital Supply Voltage | 2.25 V to 3.6 V |
| SNR - Signal to Noise Ratio | 70 dBc to Nyquist at 65 MSPS | Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | +85 | DNL - Differential Nonlinearity | ±0.4 LSB |
| Gain Error | ±2.1 %FSR | Input Voltage | 1 Vp-p/2 Vp-p/4 Vp-p |
| Package/Case | 32-Lead LFCSP (5mm x 5mm) | Power Consumption | 300 mW at 65 MSPS |
Key Features
- High-Speed Conversion: The AD9235BCPZ-40 offers a maximum sampling rate of 40 MS/s, making it suitable for high-speed data acquisition systems.
- Low Power Consumption: Operating at 300 mW at 65 MSPS, it is energy-efficient and ideal for battery-powered instruments and other low-power applications.
- Flexible Analog Input: It supports differential and single-ended input configurations with a wide bandwidth, truly differential sample-and-hold amplifier (SHA).
- Advanced Architecture: The device uses a multistage differential pipelined architecture with output error correction logic to ensure 12-bit accuracy and no missing codes over the full operating temperature range.
- Duty Cycle Stabilizer: A clock duty cycle stabilizer (DCS) compensates for wide variations in the clock duty cycle, maintaining excellent overall ADC performance.
- Out-of-Range Signal: An out-of-range (OTR) signal indicates when the input signal is beyond the selected input range.
Applications
- Medical Imaging: Suitable for medical ultrasound equipment due to its high resolution and speed.
- Communications: Ideal for IF sampling in communications receivers.
- Instrumentation: Used in test and measurement, battery-powered instruments, and hand-held scopemeters.
- Data Acquisition Systems: Perfect for high-speed data acquisition and precision measurements in various industrial and automotive applications.
- Low Cost Digital Oscilloscopes: Enhances the performance of low-cost digital oscilloscopes.
Q & A
- What is the maximum sampling rate of the AD9235BCPZ-40?
The maximum sampling rate of the AD9235BCPZ-40 is 40 MS/s, but it can also operate at 20 MS/s and 65 MS/s in other configurations of the AD9235 family.
- What is the resolution of the AD9235BCPZ-40?
The AD9235BCPZ-40 has a 12-bit resolution.
- What are the operating temperature ranges for the AD9235BCPZ-40?
The operating temperature range is from -40°C to +85°C.
- What types of input configurations does the AD9235BCPZ-40 support?
The device supports both differential and single-ended input configurations.
- How much power does the AD9235BCPZ-40 consume at 65 MSPS?
At 65 MSPS, the AD9235BCPZ-40 consumes approximately 300 mW.
- What is the purpose of the duty cycle stabilizer (DCS) in the AD9235BCPZ-40?
The DCS compensates for wide variations in the clock duty cycle, maintaining excellent overall ADC performance.
- What is the significance of the out-of-range (OTR) signal in the AD9235BCPZ-40?
The OTR signal indicates when the input signal is beyond the selected input range.
- In what package is the AD9235BCPZ-40 available?
The AD9235BCPZ-40 is available in a 32-Lead LFCSP (5mm x 5mm) package.
- What are some common applications of the AD9235BCPZ-40?
Common applications include medical imaging, communications, instrumentation, test and measurement, and data acquisition systems.
- Does the AD9235BCPZ-40 support multiple logic families for digital output?
Yes, it supports 2.5 V and 3.3 V logic families through a separate digital output driver supply.
