Overview
The AD9269BCPZ-65, produced by Analog Devices Inc., is a high-performance, monolithic, dual-channel, 16-bit analog-to-digital converter (ADC). It operates from a single 1.8 V analog supply and features a separate digital output driver supply that can accommodate 1.8 V to 3.3 V logic families. This ADC 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 | V |
| Digital Output Supply Voltage | 1.8 V to 3.3 V | V |
| Power Consumption (per channel) | 44 mW at 20 MSPS, 100 mW at 80 MSPS | mW |
| SNR | 77.6 dBFS at 9.7 MHz input, 71 dBFS at 200 MHz input | dBFS |
| SFDR | 93 dBc at 9.7 MHz input, 80 dBc at 200 MHz input | dBc |
| Analog Input Bandwidth | 700 MHz | MHz |
| Package Type | 64-Lead LFCSP (9mm x 9mm x 0.75mm w/ EP) | |
| Operating Temperature Range | −40°C to +85°C | °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: 44 mW per channel at 20 MSPS and 100 mW per channel at 80 MSPS.
- Optional clock duty cycle stabilizer (DCS) to compensate for wide variations in the clock duty cycle.
- Programmable clock and data alignment, and programmable digital test pattern generation.
- Support for offset binary, gray code, or twos complement data format.
- Digital output data presented in CMOS levels with optional multiplexing onto a single output bus.
Applications
- Communications systems, including GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, and TD-SCDMA.
- Diversity radio systems and multimode digital receivers.
- I/Q demodulation systems and smart antenna systems.
- Battery-powered instruments, hand-held scope meters, and portable medical imaging devices.
- Ultrasound and radar/LIDAR systems.
Q & A
- What is the resolution of the AD9269 ADC?
The AD9269 is a 16-bit analog-to-digital converter.
- What are the sampling rates supported by the AD9269?
The AD9269 supports sampling rates of 20, 40, 65, and 80 MSPS.
- What is the analog supply voltage for the AD9269?
The AD9269 operates from a single 1.8 V analog supply.
- What are the supported digital output supply voltages for the AD9269?
The digital output driver supply can accommodate 1.8 V to 3.3 V logic families.
- How much power does the AD9269 consume per channel?
The power consumption is 44 mW per channel at 20 MSPS and 100 mW per channel at 80 MSPS.
- What is the significance of the integrated quadrature error correction (QEC) in the AD9269?
The QEC corrects for dc offset, gain, and phase mismatch between the two channels, which is beneficial for complex signal processing applications.
- What types of data formats are supported by the AD9269?
The AD9269 supports offset binary, gray code, or twos complement data formats.
- Can the AD9269 be used in battery-powered devices?
Yes, the AD9269 is suitable for battery-powered instruments due to its low power consumption.
- What is the operating temperature range of the AD9269?
The AD9269 operates over the industrial temperature range of −40°C to +85°C.
- Is the AD9269 available in an evaluation board?
Yes, the AD9269-80EBZ is an evaluation board available for evaluating the AD9269.
