Overview
The AD9643BCPZ-210 is a dual, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to support a wide range of communications applications where low cost, small size, wide bandwidth, and versatility are crucial. The AD9643 features a multistage, differential pipelined architecture with integrated output error correction logic, ensuring high performance and reliability. It operates from a single 1.8 V supply and includes a separate digital output driver supply to accommodate LVDS outputs. The device is available in a 64-lead LFCSP package and is specified over the industrial temperature range of −40°C to +85°C.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rates | Up to 250 MSPS |
| Supply Voltage | 1.8 V |
| Output Type | LVDS (ANSI-644 levels) |
| Input Clock Divider | Integer 1-to-8 (625 MHz maximum input) |
| Input Noise | −151.6 dBFS/Hz at 185 MHz, −1 dBFS 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) |
| Channel Isolation/Crosstalk | 95 dB |
| Package Type | 64-Lead LFCSP (9mm x 9mm w/ EP) |
| Operating Temperature Range | −40°C to +85°C |
Key Features
- High signal-to-noise ratio (SNR) of 70.6 dBFS at 185 MHz AIN and 250 MSPS
- Spurious free dynamic range (SFDR) of 85 dBc at 185 MHz AIN and 250 MSPS
- Internal ADC voltage reference and ADC clock duty cycle stabilizer
- Flexible analog input range and user-selectable input ranges
- Energy saving power-down modes
- Serial port control via a 3-wire SPI-compatible interface
- Synchronization capability with SYNC input
- Pin compatibility with AD9613, AD6649, and AD6643 for easy migration
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 AD9643BCPZ-210?
The AD9643BCPZ-210 has a resolution of 14 bits. - What are the sampling rates supported by the AD9643BCPZ-210?
The AD9643BCPZ-210 supports sampling rates of up to 250 MSPS. - What is the supply voltage for the AD9643BCPZ-210?
The supply voltage for the AD9643BCPZ-210 is 1.8 V. - What type of output does the AD9643BCPZ-210 use?
The AD9643BCPZ-210 uses LVDS (ANSI-644 levels) outputs. - What is the maximum input clock frequency for the AD9643BCPZ-210?
The maximum input clock frequency is 625 MHz with an integer 1-to-8 clock divider. - How much power does the AD9643BCPZ-210 consume at 250 MSPS?
The total power consumption at 250 MSPS is 785 mW. - What is the analog input range for the AD9643BCPZ-210?
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 for the AD9643BCPZ-210?
The channel isolation/crosstalk is 95 dB. - What package type is the AD9643BCPZ-210 available in?
The AD9643BCPZ-210 is available in a 64-Lead LFCSP (9mm x 9mm w/ EP) package. - What is the operating temperature range for the AD9643BCPZ-210?
The operating temperature range is −40°C to +85°C.
