ADL5202ACPZ-R7 RF/IF and RFID

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1. DESCRIPTION

The ADL5202ACPZ-R7 is a digitally controlled, variable gain, wide bandwidth amplifier that provides precise gain control, high output IP3, and low noise figure. The excellent distortion performance and high signal bandwidth make the ADL5202ACPZ-R7 an excellent gain control device for a variety of receiver applications. The ADL5202ACPZ-R7 also incorporates a low power mode option that lowers the supply current. For wide input dynamic range applications, the ADL5202ACPZ-R7 provides a broad 31.5 dB gain range with 0.5 dB resolution. The gain is adjustable through multiple gain control interface options: parallel, serial peripheral interface, and up/down. Incorporating proprietary distortion cancellation techniques, the ADL5202ACPZ-R7 achieves a better than 47.5 dBm output IP3 at frequencies approaching 200 MHz for most gain settings. The ADL5202ACPZ-R7 is powered on by applying the appropriate logic level to the PWUPx pins. The quiescent current of the ADL5202ACPZ-R7 is typically 160 mA in low power mode. When configured in high performance mode for more demanding applications, the quiescent current is 210 mA. When powered down, the ADL5202ACPZ-R7 consumes less than 14 mA and offers excellent input-to-output isolation. The gain setting is preserved during power-down. Fabricated on an Analog Devices, Inc., high speed SiGe process, the ADL5202ACPZ-R7 provides precise gain adjustment capabilities with good distortion performance and low phase error. The ADL5202 amplifier comes in a compact, thermally enhanced 40-lead, 6 mm × 6 mm LFCSP package and operates over a temperature range of −40°C to +85°C.

2. FEATURES

    1. Dual independent, digitally controlled VGAs

    2. −11.5 dB to +20 dB gain range

    3. 0.5 dB ±0.1 dB step size

    4. 150 Ω differential input and output

    5. 7.5 dB noise figure at maximum gain

    6. OIP3 > 47.5 dBm at 200 MHz

    7. −3 dB upper frequency bandwidth of 700 MHz

    8. Multiple control interface options

    9. Parallel 6-bit control interface (with latch)

  10. Serial peripheral interface (SPI) (with fast attack)

  11. Gain up/down mode

  12. Wide input dynamic range

  13. Low power mode option

  14. Power-down control

  15. Single 5 V supply operation

  16. 40-lead, 6 mm × 6 mm LFCSP package

3. APPLICATIONS

    1. Differential ADC drivers

    2. High IF sampling receivers

    3. High output power IF amplification

    4. Instrumentation