Overview
The AD9265BCPZRL7-125 is a 16-bit, 125 MSPS (Mega Samples Per Second) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed to support high-performance applications in communications, instrumentation, and medical imaging, where low power consumption, small size, and versatility are crucial. The ADC features a multistage, differential pipelined architecture with integrated output error correction logic, ensuring 16-bit accuracy at high data rates and guaranteeing no missing codes over the full operating temperature range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Sampling Rate | 125 MSPS | |
| Signal-to-Noise Ratio (SNR) | 79.0 dBFS @ 70 MHz and 125 MSPS | |
| Spurious-Free Dynamic Range (SFDR) | 93 dBc @ 70 MHz and 125 MSPS | |
| Power Consumption | 373 mW @ 125 MSPS | |
| Analog Supply Voltage | 1.8 V | |
| Output Supply Voltage | 1.8 V CMOS or LVDS | |
| Input Clock Divider | Integer 1-to-8 | |
| Input Impedance | 200 Ω @ 70 MHz and 125 MSPS | |
| Operating Temperature Range | −40°C to +85°C | |
| Package Type | 48-Lead LFCSP (7mm x 7mm x 0.85mm) |
Key Features
- Differential analog inputs with 650 MHz bandwidth
- Flexible analog input range: 1 V p-p to 2 V p-p
- Integrated ADC sample-and-hold inputs
- Programmable internal ADC voltage reference
- Optional on-chip dither for improved SFDR performance
- Serial port control via 3-wire SPI-compatible interface
- User-configurable, built-in self-test (BIST) capability
- Energy-saving power-down modes
- Duty cycle stabilizer for ADC clock duty cycle compensation
- Output data format: parallel 1.8 V CMOS or LVDS (DDR)
Applications
The AD9265 is suitable for a variety of high-performance applications, including:
- Communications systems
- Instrumentation
- Medical imaging
- Multiplexed systems that switch full-scale voltage levels in successive channels
- Sampling single-channel inputs at frequencies well beyond the Nyquist rate
Q & A
- What is the resolution and sampling rate of the AD9265?
The AD9265 is a 16-bit ADC with a sampling rate of 125 MSPS.
- What is the power consumption of the AD9265 at 125 MSPS?
The power consumption is 373 mW at 125 MSPS.
- What are the supported output data formats for the AD9265?
The output data formats are parallel 1.8 V CMOS or LVDS (DDR).
- Does the AD9265 have an integrated voltage reference?
Yes, the AD9265 has a programmable internal ADC voltage reference.
- What is the operating temperature range of the AD9265?
The operating temperature range is −40°C to +85°C.
- What type of package does the AD9265 come in?
The AD9265 is available in a 48-Lead LFCSP (7mm x 7mm x 0.85mm) package.
- Does the AD9265 support power-down modes?
Yes, the AD9265 has energy-saving power-down modes.
- How is the AD9265 programmed for setup and control?
Programming is accomplished using a 3-wire SPI-compatible serial interface.
- What is the input impedance of the AD9265 at 70 MHz and 125 MSPS?
The input impedance is 200 Ω at 70 MHz and 125 MSPS.
- Does the AD9265 have an optional on-chip dither function?
Yes, the AD9265 has an optional on-chip dither function to improve SFDR performance with low power analog input signals.
