AD6684 135 MHz Quad Intermediate Frequency IF Rece

By Analog Devices Inc 43

AD6684 135 MHz Quad Intermediate Frequency IF Rece

ADI’s AD6684 is a 135 MHz bandwidth, quad IF receiver with four 14-bit, 500 MSPS ADC and various digital processing blocks consisting of four wideband DDCs, an NSR, and VDR monitoring. The device has an on-chip buffer and a sample-and-hold circuit designed for low power, small size, and ease of use. The AD6684 is designed to support high precision communications applications such as 3G / 4G, LTC, and W-CDMA bands. The quad ADC cores feature a multistage, differential pipelined architecture with integrated output error correction logic. Each ADC features wide bandwidth inputs supporting a variety of user-selectable input ranges. An integrated voltage reference eases design considerations. The device has flexible power-down options that allow significant power savings when desired. All of these features can be programmed using the 1.8 V capable, 3-wire SPI. The AD6684 is optimized for wide input bandwidth, excellent linearity, and low power in a small 10 mm x 10 mm, 72-LFCSP package with an operating temperature range of -40°C to +105°C.

Features
  • JESD204B (Subclass 1) coded serial digital outputs
    • Lane rates up to 15 Gbps
  • 1.68 W total power at 500 MSPS
    • 420 mW per ADC channel
  • Receiver
  • 135 MHz frequency
  • RF type: GSM, LTE, W-CDMA
  • Package / case: 72-VFQFN, 72-LFCSP (10 mm x 10 mm)

 

Applications
    • Communications
    • Diversity multiband
    • Multimode digital receivers 3G / 4G
    • Wideband code division multiple access (WCDMA)
    • Global system for mobile communications (GSM)
    • Long-term evolution (LTE, LTE-A)
    • HFC digital reverse path receivers
    • Digital pre-distortion observation paths
    • General-purpose software radios

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