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RF3320 Datasheet Cable Reverse Path Programmable Gain Amplifier

Manufacturer: RF Micro Devices (now Qorvo)

Overview: Preliminary RF3320 CABLE REVERSE PATH PROGRAMMABLE GAIN AMPLIFIER 3 Typical Applications • Euro-DOCSIS/DOCSIS Cable Modems • CATV Set-Top Boxes • Telephony Over Cable • Home Networks • Automotive/Mobile Multimedia • Coaxial and Twisted Pair Line Driver 3 -A- The RF3320 is a variable gain amplifier for use in CATV reverse path (upstream) applications. It is DOCSIS-pliant for use in cable modems. The gain control covers a 58dB range and is serially programmable via three-wire digital bus for patibility with standard baseband chipsets. Amplifier shutdown and transmit disable modes are software- and hardware-controlled. The device is placed into software-shutdown mode via the serial control bus. The device operates over the frequency band of 5MHz to 65MHz for use in current U.S. and European systems. The amplifier delivers up to 60dBmV at the output of the balun. Gain is controllable in accurate 1dB steps. The device is provided in a thermally enhanced, exposed die flag package. Optimum Technology Matching® Applied 3.90 + 0.10 0.25 + 0.05 0.05 + 0.05 Note 3 4.90 + 0.20 0.65 NOTES: 1. Shaded lead is pin 1. 2. Lead coplanarity - 0.10 with respect to datum "A". 3. Lead standoff is specified from the lowest point on the package underside. 6.00 + 0.20 1.40 + 0.10 EXPOSED DIE FLAG 8° MAX 0° MIN 3.302 0.60 + 0.15 0.24 0.20 2.

Key Features

  • Single 5V Supply.
  • Differential Input and Output.
  • -30dB to +28dB Voltage Gain Range.
  • 5MHz to 65MHz Operation.
  • Sophisticated Power Management.
  • DOCSIS 1.1 RF Compliant 16 Power Control GND NC NC VOUT VOUTB SDA CS SCLK 15 14 13 12 11 Gain Control and Serial Bus 10 9 Ordering Information RF3320 RF3320 PCBA Cable Reverse Path Programmable Gain Amplifier Fully Assembled Evaluation Board Functional Block Diagram RF Micro Devices, Inc. 7625 T.

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