Overview
The AD9265BCPZ-125 is a 16-bit, 125 MSPS (Mega Samples Per Second) analog-to-digital converter (ADC) manufactured 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 and no missing codes over the full operating temperature range.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| 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 Noise | −154.3 dBm/Hz @ 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
- Integrated ADC sample-and-hold inputs
- Flexible analog input range: 1 V p-p to 2 V p-p
- Optional on-chip dither for improved SFDR performance
- Programmable internal ADC voltage reference
- 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 AD9265BCPZ-125 is suitable for a variety of high-performance applications, including:
- Communications systems
- Instrumentation and test equipment
- Medical imaging devices
- 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 AD9265BCPZ-125?
The AD9265BCPZ-125 has a resolution of 16 bits and a sampling rate of 125 MSPS. - What is the power consumption of the AD9265BCPZ-125 at 125 MSPS?
The power consumption is 373 mW at 125 MSPS. - What are the supported output data formats?
The output data formats are parallel 1.8 V CMOS or LVDS (DDR). - What is the operating temperature range of the AD9265BCPZ-125?
The operating temperature range is −40°C to +85°C. - Does the AD9265BCPZ-125 have built-in self-test capabilities?
Yes, it has user-configurable, built-in self-test (BIST) capability. - What is the purpose of the duty cycle stabilizer in the AD9265BCPZ-125?
The duty cycle stabilizer compensates for variations in the ADC clock duty cycle, ensuring excellent performance over a wide range of input clock duty cycles. - Can the AD9265BCPZ-125 be used in multiplexed systems?
Yes, it is suitable for multiplexed systems that switch full-scale voltage levels in successive channels. - What is the input noise level of the AD9265BCPZ-125 at 70 MHz and 125 MSPS?
The input noise level is −154.3 dBm/Hz at 70 MHz and 125 MSPS. - Does the AD9265BCPZ-125 support on-chip dither?
Yes, it has an optional on-chip dither function to improve SFDR performance with low power analog input signals. - What is the package type of the AD9265BCPZ-125?
The package type is a 48-Lead LFCSP (7mm x 7mm x 0.85mm).
