Overview
The AD9255BCPZ-105 is a 14-bit, 105 MSPS analog-to-digital converter (ADC) produced by Analog Devices Inc. This component 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 14-bit accuracy at 105 MSPS data rates and guaranteeing no missing codes over the full operating temperature range.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 14 | 14 | 14 | Bits |
| Sample Rate | 105 | MSPS | ||
| SNR | 78.3 | dBFS @ 70 MHz | ||
| SFDR | 93 | dBc @ 70 MHz | ||
| Power Consumption | 371 | mW @ 125 MSPS | ||
| Analog Supply Voltage | 1.8 | V | ||
| Output Supply Voltage | 1.8 | V (CMOS or LVDS) | ||
| Operating Temperature | -40 | 85 | °C | |
| Package | 48-Lead LFCSP |
Key Features
- High signal-to-noise ratio (SNR) of 78.3 dBFS at 70 MHz and 105 MSPS.
- Spurious free dynamic range (SFDR) of 93 dBc at 70 MHz and 105 MSPS.
- Low power consumption of 371 mW at 125 MSPS.
- Operation from a single 1.8 V analog supply and a separate 1.8 V digital output driver supply supporting CMOS or LVDS outputs.
- Integer 1-to-8 input clock divider and support for IF sampling frequencies up to 300 MHz.
- Optional on-chip dither for improved SFDR performance with low power analog input signals.
- Programmable internal ADC voltage reference and integrated ADC sample-and-hold inputs.
- Standard 3-wire SPI-compatible serial interface for setup and control.
- Flexible power-down options for significant power savings.
Applications
- Communications: multimode digital receivers (3G, GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA), smart antenna systems, and general-purpose software radios.
- Broadband data applications.
- Ultrasound equipment.
- Instrumentation and medical imaging.
Q & A
- What is the resolution of the AD9255BCPZ-105 ADC?
The AD9255BCPZ-105 has a resolution of 14 bits.
- What is the maximum sample rate of the AD9255BCPZ-105?
The maximum sample rate of the AD9255BCPZ-105 is 105 MSPS.
- What is the typical SNR of the AD9255BCPZ-105 at 70 MHz?
The typical SNR of the AD9255BCPZ-105 at 70 MHz is 78.3 dBFS.
- What is the typical SFDR of the AD9255BCPZ-105 at 70 MHz?
The typical SFDR of the AD9255BCPZ-105 at 70 MHz is 93 dBc.
- What is the power consumption of the AD9255BCPZ-105 at 125 MSPS?
The power consumption of the AD9255BCPZ-105 at 125 MSPS is approximately 371 mW.
- What are the supported output formats for the AD9255BCPZ-105?
The AD9255BCPZ-105 supports parallel 1.8 V CMOS or LVDS (DDR) output formats.
- How is the setup and control of the AD9255BCPZ-105 accomplished?
The setup and control of the AD9255BCPZ-105 are accomplished using a 3-wire SPI-compatible serial interface.
- What is the operating temperature range of the AD9255BCPZ-105?
The operating temperature range of the AD9255BCPZ-105 is from -40°C to +85°C.
- What package type is the AD9255BCPZ-105 available in?
The AD9255BCPZ-105 is available in a 48-Lead LFCSP package.
- Does the AD9255BCPZ-105 have an on-chip dither option?
Yes, the AD9255BCPZ-105 has an optional on-chip dither function to improve SFDR performance with low power analog input signals.
