Overview
The AD9265BCPZRL7-105 is a high-performance, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed to support a wide range of applications, particularly in communications, instrumentation, and medical imaging, where high accuracy, low power consumption, and compact size are critical. The AD9265 features a multistage, differential pipelined architecture with integrated output error correction logic, ensuring 16-bit accuracy at sampling rates of up to 105 MSPS.
The ADC is available in a 48-lead LFCSP package and operates over an industrial temperature range of −40°C to +85°C. It offers flexible power-down modes and a variety of user-configurable features, making it a versatile choice for various high-speed data acquisition systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 bits | |
| Sampling Rate | 105 MSPS | |
| Input Type | Differential | |
| Architecture | Pipelined | |
| Reference Type | External, Internal | |
| Supply Voltage - Analog | 1.7 V to 1.9 V | |
| Supply Voltage - Digital | 1.7 V to 1.9 V | |
| Operating Temperature | −40°C to +85°C | |
| Package | 48-Lead LFCSP | |
| Data Interface | Parallel 1.8 V CMOS or LVDS (DDR) | |
| Power Consumption | 373 mW @ 125 MSPS (typical) |
Key Features
- High signal-to-noise ratio (SNR) of 79.0 dBFS @ 70 MHz and 105 MSPS
- Spurious-free dynamic range (SFDR) of 93 dBc @ 70 MHz and 105 MSPS
- Low power consumption: 373 mW @ 105 MSPS
- 1.8 V analog and digital supply operation
- Integer 1-to-8 input clock divider
- IF sampling frequencies up to 300 MHz
- Optional on-chip dither for improved SFDR performance
- Programmable internal ADC voltage reference
- Integrated ADC sample-and-hold inputs with 650 MHz bandwidth
- Differential analog inputs with flexible input range (1 V p-p to 2 V p-p)
- Serial port control via 3-wire SPI-compatible interface
- User-configurable built-in self-test (BIST) capability
- Energy-saving power-down modes
Applications
The AD9265BCPZRL7-105 is suitable for a variety of high-performance applications, including:
- Communications: baseband and IF sampling in wireless communication systems
- Instrumentation: high-speed data acquisition systems, oscilloscopes, and spectrum analyzers
- Medical Imaging: MRI, CT scanners, and ultrasound equipment
- Multiplexed systems: switching full-scale voltage levels in successive channels
- Single-channel inputs: sampling at frequencies beyond the Nyquist rate
Q & A
- What is the resolution and sampling rate of the AD9265BCPZRL7-105?
The AD9265BCPZRL7-105 has a resolution of 16 bits and a sampling rate of up to 105 MSPS.
- What is the input type of the AD9265BCPZRL7-105?
The input type is differential.
- What are the supply voltage requirements for the AD9265BCPZRL7-105?
The device operates with an analog and digital supply voltage of 1.7 V to 1.9 V.
- What are the key features of the AD9265BCPZRL7-105's analog input stage?
The device features a wide bandwidth differential sample-and-hold analog input amplifier with a flexible input range of 1 V p-p to 2 V p-p and a bandwidth of 650 MHz.
- How does the AD9265BCPZRL7-105 manage power consumption?
The device offers low power consumption, typically 373 mW at 105 MSPS, and features energy-saving power-down modes.
- What interface options are available for the AD9265BCPZRL7-105?
The device supports parallel 1.8 V CMOS or LVDS (DDR) output data formats and a 3-wire SPI-compatible serial interface for setup and control.
- What are some of the applications for the AD9265BCPZRL7-105?
The device is suitable for communications, instrumentation, medical imaging, and other high-speed data acquisition applications.
- What is the operating temperature range of the AD9265BCPZRL7-105?
The device operates over an industrial temperature range of −40°C to +85°C.
- Does the AD9265BCPZRL7-105 have built-in self-test capabilities?
Yes, the device features user-configurable built-in self-test (BIST) capability.
- How does the AD9265BCPZRL7-105 handle clock duty cycle variations?
The device includes a duty cycle stabilizer to compensate for variations in the ADC clock duty cycle.
- Is the AD9265BCPZRL7-105 available with an evaluation board?
Yes, an evaluation board (AD9265-FMC-125EBZ) is available for evaluating the AD9265.
