Overview
The AD9238BCPZ-65 is a high-performance, dual 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD9238 series, which features 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. The AD9238BCPZ-65 operates at a sampling rate of 65 MSPS and is designed for applications requiring high speed, low power consumption, and excellent signal integrity.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | 65 MSPS |
| Supply Voltage | 2.7 V to 3.6 V |
| Power Consumption | 300 mW/channel at 65 MSPS |
| Signal-to-Noise Ratio (SNR) | 70 dB (to Nyquist) |
| Spurious-Free Dynamic Range (SFDR) | 80.5 dBc (to Nyquist) |
| Analog Input Bandwidth | 500 MHz, 3 dB bandwidth |
| Crosstalk Immunity | > 85 dB |
| Analog Input Range | 1 V p-p to 2 V p-p |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 64-lead LFCSP (9x9mm, 4.70mm exposed pad) |
Key Features
- Integrated dual high-performance sample-and-hold amplifiers (SHAs) and an integrated voltage reference.
- Single 3 V supply operation (2.7 V to 3.6 V).
- Differential input with 500 MHz, 3 dB bandwidth.
- Exceptional crosstalk immunity > 85 dB.
- Flexible analog input: 1 V p-p to 2 V p-p range.
- Offset binary or twos complement data format.
- Clock duty cycle stabilizer.
- Output datamux option for single-port operation from either Data Port A or Data Port B.
- Dual single-ended independent clock inputs.
- Low power consumption: 300 mW/channel at 65 MSPS.
Applications
- Communications: Direct conversion or IF sampling receivers, WB-CDMA, CDMA2000, WiMAX.
- Imaging: Medical ultrasound equipment.
- Battery-powered instruments: Hand-held scopemeters, low-cost digital oscilloscopes.
- Multiplexed systems: Systems that switch full-scale voltage levels in successive channels.
Q & A
- What is the resolution of the AD9238BCPZ-65?
The AD9238BCPZ-65 has a resolution of 12 bits.
- What are the sampling rate options for the AD9238 series?
The AD9238 series offers sampling rates of 20 MSPS, 40 MSPS, and 65 MSPS.
- What is the power consumption of the AD9238BCPZ-65 at 65 MSPS?
The power consumption is 300 mW per channel at 65 MSPS.
- What is the analog input bandwidth of the AD9238BCPZ-65?
The analog input bandwidth is 500 MHz with a 3 dB bandwidth.
- Does the AD9238BCPZ-65 have a clock duty cycle stabilizer?
- What are the operating temperature ranges for the AD9238BCPZ-65?
The operating temperature range is -40°C to +85°C.
- What package types are available for the AD9238BCPZ-65?
The AD9238BCPZ-65 is available in a 64-lead LFCSP (9x9mm, 4.70mm exposed pad).
- Is the AD9238BCPZ-65 suitable for medical ultrasound applications?
- Can the AD9238BCPZ-65 be used in battery-powered instruments?
- Does the AD9238BCPZ-65 support multiplexed systems?
