Overview
The AD6642BBCZ is an 11-bit, 200 MSPS (Mega Samples Per Second) dual-channel intermediate frequency (IF) receiver produced by Analog Devices Inc. This device is specifically designed to support multi-antenna systems in telecommunications applications, where high dynamic range performance, low power consumption, and compact size are crucial. The AD6642 features two high-performance analog-to-digital converters (ADCs) and integrated noise shaping requantizer (NSR) digital blocks, making it ideal for applications requiring enhanced signal-to-noise ratio (SNR) within a reduced bandwidth.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 11 bits | |
| Sample Rate | Up to 200 MSPS | |
| Package Type | 144-ball CSP_BGA | |
| Package Size | 10 mm × 10 mm × 1.4 mm | |
| Supply Voltage | 1.8 V | V |
| Power Consumption per ADC Core | 120 mW | mW |
| Analog Input Range | 1.4 to 2.0 V p-p | V p-p |
| Analog Input Common-Mode Voltage | 0.9 V | V |
| Input Resistance (Differential) | 20 kΩ | kΩ |
| Input Capacitance | 5 pF | pF |
| Digital Output Interface | LVDS | |
| Clock Input Rate | Up to 625 MHz | MHz |
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.
- Standard serial port interface (SPI) for various product features and functions, including data formatting, NSR, power-down, test modes, and voltage reference mode.
- On-chip integer 1-to-8 input clock divider and multichip sync function to support a wide range of clocking schemes and multichannel subsystems.
- Integrated voltage reference and duty cycle stabilizer (DCS) to maintain excellent ADC performance.
Applications
The AD6642BBCZ is primarily used in telecommunications applications, including CDMA, LTE, W-CDMA, and WiMAX systems. It is particularly suited for multi-antenna systems where high dynamic range, low power consumption, and compact size are essential.
Q & A
- What is the resolution and sample rate of the AD6642BBCZ? The AD6642BBCZ has a resolution of 11 bits and a sample rate of up to 200 MSPS.
- What is the package type and size of the AD6642BBCZ? The AD6642BBCZ comes in a 144-ball CSP_BGA package with dimensions of 10 mm × 10 mm × 1.4 mm.
- What is the power consumption per ADC core of the AD6642BBCZ? The power consumption per ADC core is 120 mW.
- What is the analog input range of the AD6642BBCZ? The analog input range is from 1.4 to 2.0 V p-p.
- What type of digital output interface does the AD6642BBCZ use? The AD6642BBCZ uses an LVDS digital output interface.
- What is the purpose of the noise shaping requantizer (NSR) function in the AD6642BBCZ? The NSR function improves SNR performance within a reduced bandwidth of up to 60 MHz at 185 MSPS.
- How does the AD6642BBCZ support various clocking schemes? The AD6642BBCZ supports various clocking schemes through its on-chip integer 1-to-8 input clock divider and multichip sync function.
- What is the primary application area of the AD6642BBCZ? The primary application area is in telecommunications, including CDMA, LTE, W-CDMA, and WiMAX systems.
- What interface does the AD6642BBCZ use for configuration and control? The AD6642BBCZ uses a standard serial port interface (SPI) for configuration and control.
- How does the AD6642BBCZ maintain excellent ADC performance? The AD6642BBCZ maintains excellent ADC performance through its integrated voltage reference and duty cycle stabilizer (DCS).
