Overview
The AD9269BCPZ-40 is a high-performance, dual-channel, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This monolithic ADC operates from a single 1.8 V analog power supply and features a separate digital output driver supply that can accommodate 1.8 V to 3.3 V logic families. It is designed for low power consumption and high accuracy, making it suitable for a wide range of applications, particularly in communications and signal processing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Sampling Rate | 20/40/65/80 MSPS | |
| Analog Supply Voltage | 1.8 V | |
| Digital Output Supply Voltage | 1.8 V to 3.3 V | |
| SNR at 9.7 MHz input | 77.6 dBFS | |
| SNR at 200 MHz input | 71 dBFS | |
| SFDR at 9.7 MHz input | 93 dBc | |
| SFDR at 200 MHz input | 80 dBc | |
| Power Consumption per Channel at 20 MSPS | 44 mW | |
| Power Consumption per Channel at 80 MSPS | 100 mW | |
| Analog Input Bandwidth | 700 MHz | |
| Package Type | 64-Lead RoHS-compliant LFCSP | |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Integrated quadrature error correction (QEC) for dc offset, gain, and phase mismatch correction between the two channels.
- On-chip voltage reference and sample-and-hold circuit.
- Differential input with 700 MHz bandwidth and 2V p-p differential analog input.
- Low power consumption with 44 mW per channel at 20 MSPS and 100 mW per channel at 80 MSPS.
- Programmable clock and data alignment, and programmable digital test pattern generation.
- Optional clock duty cycle stabilizer (DCS) to compensate for wide variations in the clock duty cycle.
- Support for offset binary, gray code, or twos complement data format.
- Data output clock (DCO) provided for each ADC channel to ensure proper latch timing with receiving logic.
Applications
- Communications: diversity radio systems, multimode digital receivers (GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA).
- I/Q demodulation systems and smart antenna systems.
- Battery-powered instruments and hand-held scope meters.
- Portable medical imaging and ultrasound.
- Radar/LIDAR systems.
Q & A
- What is the resolution and sampling rate of the AD9269BCPZ-40?
The AD9269BCPZ-40 is a 16-bit ADC with sampling rates of 20, 40, 65, and 80 MSPS. - What is the analog supply voltage and digital output supply voltage range?
The analog supply voltage is 1.8 V, and the digital output supply voltage range is 1.8 V to 3.3 V. - What is the SNR and SFDR of the AD9269BCPZ-40 at different input frequencies?
The SNR is 77.6 dBFS at 9.7 MHz input and 71 dBFS at 200 MHz input. The SFDR is 93 dBc at 9.7 MHz input and 80 dBc at 200 MHz input. - What is the power consumption per channel at different sampling rates?
The power consumption is 44 mW per channel at 20 MSPS and 100 mW per channel at 80 MSPS. - What type of package does the AD9269BCPZ-40 come in?
The AD9269BCPZ-40 comes in a 64-Lead RoHS-compliant LFCSP package. - What is the operating temperature range of the AD9269BCPZ-40?
The operating temperature range is -40°C to +85°C. - Does the AD9269BCPZ-40 support any error correction features?
Yes, it supports integrated quadrature error correction (QEC) for dc offset, gain, and phase mismatch correction between the two channels. - What data formats are supported by the AD9269BCPZ-40?
The AD9269BCPZ-40 supports offset binary, gray code, or twos complement data format. - What is the purpose of the clock duty cycle stabilizer (DCS) in the AD9269BCPZ-40?
The DCS compensates for wide variations in the clock duty cycle while maintaining excellent overall ADC performance. - In what applications is the AD9269BCPZ-40 commonly used?
The AD9269BCPZ-40 is commonly used in communications, I/Q demodulation systems, smart antenna systems, battery-powered instruments, portable medical imaging, and radar/LIDAR systems.
