Overview
The AD9238BSTRL-65 is a high-performance, dual 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for a wide range of applications requiring high-speed and high-accuracy data conversion. Fabricated on an advanced CMOS process, the AD9238 features dual sample-and-hold amplifiers (SHAs) and an integrated voltage reference, making it suitable for various demanding applications such as communications, imaging, and medical ultrasound.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rates | 20 MSPS, 40 MSPS, 65 MSPS |
| Supply Voltage | 2.7 V to 3.6 V |
| Power Consumption | 600 mW (at 65 MSPS), 330 mW (at 40 MSPS), 180 mW (at 20 MSPS) |
| Signal-to-Noise Ratio (SNR) | 70 dB (to Nyquist, AD9238-65) |
| Spurious-Free Dynamic Range (SFDR) | 80.5 dBc (to Nyquist, AD9238-65) |
| Input Range | 1 V p-p to 2 V p-p |
| Input Bandwidth | 500 MHz, 3 dB bandwidth |
| Temperature Range | -40°C to +85°C |
| Package Type | 64-Lead Low Profile Quad Flat Pack (LQFP) |
Key Features
- Dual high-performance sample-and-hold amplifiers (SHAs) with wide bandwidth and differential input capability.
- Integrated voltage reference with options for fixed or adjustable reference voltages.
- Support for single-ended and differential input applications.
- Offset binary or twos complement data format.
- Clock duty cycle stabilizer to compensate for variations in the clock duty cycle.
- Output data multiplex option.
- Exceptional crosstalk immunity (> 85 dB).
- Low power consumption with flexible speed grade options.
Applications
- Ultrasound equipment
- Direct conversion or IF sampling receivers
- WB-CDMA, CDMA2000, WiMAX
- Battery-powered instruments
- Hand-held oscilloscopes and low-cost digital oscilloscopes
- Communications and imaging systems
Q & A
- What is the resolution of the AD9238BSTRL-65?
The AD9238BSTRL-65 has a resolution of 12 bits.
- What are the available sampling rates for the AD9238BSTRL-65?
The AD9238BSTRL-65 supports sampling rates of 20 MSPS, 40 MSPS, and 65 MSPS.
- What is the supply voltage range for the AD9238BSTRL-65?
The supply voltage range is from 2.7 V to 3.6 V.
- How much power does the AD9238BSTRL-65 consume at different sampling rates?
The power consumption is 600 mW at 65 MSPS, 330 mW at 40 MSPS, and 180 mW at 20 MSPS.
- What is the signal-to-noise ratio (SNR) of the AD9238BSTRL-65?
The SNR is 70 dB (to Nyquist) for the AD9238-65.
- What is the spurious-free dynamic range (SFDR) of the AD9238BSTRL-65?
The SFDR is 80.5 dBc (to Nyquist) for the AD9238-65.
- What are the input range options for the AD9238BSTRL-65?
The input range can be set from 1 V p-p to 2 V p-p.
- What is the temperature range for the AD9238BSTRL-65?
The temperature range is from -40°C to +85°C.
- What package type is the AD9238BSTRL-65 available in?
The AD9238BSTRL-65 is available in a 64-Lead Low Profile Quad Flat Pack (LQFP).
- What are some of the key applications for the AD9238BSTRL-65?
The AD9238BSTRL-65 is used in ultrasound equipment, direct conversion or IF sampling receivers, WB-CDMA, CDMA2000, WiMAX, battery-powered instruments, and hand-held oscilloscopes.
