Overview
The AD9643BCPZRL7-250 is a high-performance, dual 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to support a wide range of communications and other high-speed applications where low cost, small size, wide bandwidth, and versatility are essential. The AD9643 features sampling speeds of up to 250 MSPS, making it suitable for demanding environments such as diversity radio systems, multimode digital receivers, and general-purpose software radios.
Key Specifications
| Parameter | Value |
|---|---|
| Converter Type | Analog-to-Digital Converter (ADC) |
| Resolution | 14-bit |
| Sampling Rate | Up to 250 MSPS |
| Supply Voltage (Analog and Digital) | 1.7V to 1.9V |
| Package Type | 64-Lead LFCSP (9mm x 9mm with Exposed Pad) |
| Operating Temperature Range | -40°C to +85°C |
| Output Format | PARALLEL, WORD (LVDS outputs) |
| Signal to Noise Ratio (SNR) | 70.6 dBFS at 185 MHz AIN and 250 MSPS |
| Spurious Free Dynamic Range (SFDR) | 85 dBc at 185 MHz AIN and 250 MSPS |
| Total Power Consumption | 785 mW at 250 MSPS |
| Analog Input Range | 1.4 V p-p to 2.0 V p-p (1.75 V p-p nominal) |
Key Features
- Dual 14-bit ADC cores with a multistage, differential pipelined architecture and integrated output error correction logic.
- Integrated voltage reference and ADC clock duty cycle stabilizer.
- Flexible analog input ranges and LVDS output ports.
- Support for IF sampling frequencies up to 400 MHz.
- Energy-saving power-down modes.
- Programming via a 3-wire SPI-compatible serial interface.
- High channel isolation/crosstalk of 95 dB.
Applications
- Communications systems, including diversity radio systems and multimode digital receivers (3G, TD-SCDMA, WiMax, WCDMA, CDMA2000, GSM, EDGE, LTE).
- I/Q demodulation systems and smart antenna systems.
- General-purpose software radios.
- Ultrasound equipment.
- Broadband data applications.
Q & A
- What is the resolution of the AD9643BCPZRL7-250 ADC?
The AD9643BCPZRL7-250 has a resolution of 14 bits. - What are the sampling rates supported by the AD9643BCPZRL7-250?
The AD9643BCPZRL7-250 supports sampling rates of up to 250 MSPS. - What is the supply voltage range for the AD9643BCPZRL7-250?
The supply voltage range is 1.7V to 1.9V for both analog and digital supplies. - What is the package type of the AD9643BCPZRL7-250?
The package type is a 64-Lead LFCSP (9mm x 9mm with Exposed Pad). - What are the operating temperature ranges for the AD9643BCPZRL7-250?
The operating temperature range is -40°C to +85°C. - What is the output format of the AD9643BCPZRL7-250?
The output format is PARALLEL, WORD (LVDS outputs). - What is the Signal to Noise Ratio (SNR) of the AD9643BCPZRL7-250 at 185 MHz AIN and 250 MSPS?
The SNR is 70.6 dBFS at 185 MHz AIN and 250 MSPS. - What are some of the key applications of the AD9643BCPZRL7-250?
Key applications include communications systems, I/Q demodulation systems, smart antenna systems, general-purpose software radios, ultrasound equipment, and broadband data applications. - How is the AD9643BCPZRL7-250 programmed?
The AD9643BCPZRL7-250 is programmed using a 3-wire SPI-compatible serial interface. - What power-saving features does the AD9643BCPZRL7-250 offer?
The AD9643BCPZRL7-250 offers energy-saving power-down modes.
