Datasheet for AD9642:
- Manufacturer Part Number : AD9642
- Manufacturer : AD
- Description : 14-Bit, 170 MSPS/210 MSPS/250 MSPS, 1.8 V Analog-to-Digital Converter (ADC)
- Series : AD9642
- Reference Price : USD 30.72
- Our Price : We have a better price, contact us by email
- Product Type : High Speed A/D Converters >10 MSPS
- Function : Standard High Speed A/D Converters >20 MSPS
- Current Suggest : Recommended for New Designs
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : AD9642
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- SNR = 71.0 dBFS at 185 MHz AIN and 250 MSPS
- SFDR = 83 dBc at 185 MHz AIN and 250 MSPS
- −152.0 dBFS/Hz input noise at 200 MHz, −1 dBFS AIN,
250 MSPS - Total power consumption:
390 mW at 250 MSPS - 1.8 V supply voltages
- LVDS (ANSI-644 levels) outputs
- Integer 1-to-8 input clock divider (625 MHz maximum input)
- Sample rates of up to
250 MSPS - IF sampling frequencies of up to 350 MHz
- Internal ADC voltage reference
- Flexible analog input range
1.4 V p-p to 2.0 V p-p
(1.75 V p-p nominal) - See data sheet for additional features
The ADC core features a multistage, differential pipelined architecture with integrated output error correction logic. The ADC features wide bandwidth inputs that can support a variety of user-selectable input ranges. An integrated voltage reference eases design considerations. A duty cycle stabilizer (DCS) is provided to compensate for variations in the ADC clock duty cycle, allowing the converter to maintain excellent performance.
The ADC output data is routed directly to the external 14-bit LVDS output port.
Flexible power-down options allow significant power savings, when desired.
Programming for setup and control is accomplished using a 3-wire SPI-compatible serial interface.
The AD9642 is available in a 32-lead LFCSP and is specified over the industrial temperature range of −40°C to +85°C. This product is protected by a U.S. patent.
APPLICATIONS
- Communications
- Diversity radio systems
- Multimode digital receivers (3G)
TD-SCDMA, WiMax, WCDMA,
CDMA2000, GSM, EDGE, LTE - I/Q demodulation systems
- Smart antenna systems
- General-purpose software radios
- Ultrasound equipment
- Broadband data applications
PRODUCT HIGHLIGHTS
- Integrated 14-bit, 170 MSPS/210 MSPS/250 MSPS ADC.
- Operation from a single 1.8 V supply and a separate digital output driver supply accommodating LVDS outputs.
- Proprietary differential input maintains excellent SNR performance for input frequencies of up to 350 MHz.
- 3-pin, 1.8 V SPI port for register programming and readback.
- Pin compatibility with the AD9634, allowing a simple migration from 14 bits to 12 bits, and with the AD6672.
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
