Overview
The AD6643BCPZ-200, produced by Analog Devices Inc., is an 11-bit, dual-channel intermediate frequency (IF) receiver designed to support multi-antenna systems in telecommunications. This device is optimized for high dynamic range performance, low power consumption, and compact size, making it ideal for various telecommunication applications. It features two high-performance analog-to-digital converters (ADCs) integrated into a small, 9 mm × 9 mm × 0.85 mm, 64-lead lead frame chip scale package (LFCSP_VQ).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 11-bit | |
| Sampling Rate | 200 MSPS / 250 MSPS | |
| Input Clock Rate | Up to 625 MHz | |
| Analog Input Range | 1.4 V p-p to 2.0 V p-p (1.75 V p-p nominal) | |
| Input Bandwidth | 400 MHz | |
| Channel Isolation/Crosstalk | 95 dB | |
| Power Consumption | 706 mW at 200 MSPS (1.8 V supply) | |
| Output Interface | LVDS (ANSI-644 levels) | |
| Package Type | 64-lead LFCSP_VQ | |
| Operating Temperature Range | −40°C to +85°C |
Key Features
- Pin selectable noise shaping requantizer (NSR) function for improved SNR within a reduced bandwidth of up to 60 MHz at 185 MSPS.
- LVDS digital output interface configured for low-cost FPGA families.
- Operation from a single 1.8 V supply.
- Standard serial port interface (SPI) supporting various product features and functions, such as data formatting, NSR, power-down, test modes, and voltage reference mode.
- Internal common-mode bias and flexible analog input range.
- Energy-saving power-down modes.
Applications
- Communications: Diversity radio and smart antenna (MIMO) systems.
- Multimode digital receivers: 3G WCDMA, LTE, CDMA2000, WiMAX, TD-SCDMA.
- I/Q demodulation systems.
- General-purpose software radios.
Q & A
- What is the resolution of the AD6643BCPZ-200?
The AD6643BCPZ-200 has an 11-bit resolution.
- What are the sampling rates supported by the AD6643BCPZ-200?
The device supports sampling rates of 200 MSPS and 250 MSPS.
- What is the maximum input clock rate for the AD6643BCPZ-200?
The maximum input clock rate is up to 625 MHz.
- What is the analog input range of the AD6643BCPZ-200?
The analog input range is 1.4 V p-p to 2.0 V p-p (1.75 V p-p nominal).
- What is the channel isolation/crosstalk of the AD6643BCPZ-200?
The channel isolation/crosstalk is 95 dB.
- How much power does the AD6643BCPZ-200 consume at 200 MSPS?
The power consumption is 706 mW at 200 MSPS with a 1.8 V supply.
- What type of output interface does the AD6643BCPZ-200 use?
The output interface is LVDS (ANSI-644 levels).
- In what package type is the AD6643BCPZ-200 available?
The device is available in a 64-lead LFCSP_VQ package.
- What is the operating temperature range of the AD6643BCPZ-200?
The operating temperature range is −40°C to +85°C.
- What are some of the key applications of the AD6643BCPZ-200?
The device is used in communications, multimode digital receivers, I/Q demodulation systems, and general-purpose software radios.
