SNLU273 December   2020 DS160PR810

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
  3. 2Description
    1. 2.1  DS160PR810 4-Level I/O Control Inputs
    2. 2.2  DS160PR810 Modes of Operation
    3. 2.3  DS160PR810 SMBus or I2C Register Control Interface
    4. 2.4  DS160PR810 Equalization Control
    5. 2.5  DS160PR810 RX Detect State Machine
    6. 2.6  DS160PR810 DC Gain Control
    7. 2.7  DS160PR810 EVM Global Controls
    8. 2.8  DS160PR810EVM Downstream Devices Control
    9. 2.9  DS160PR810EVM Upstream Devices Control
    10. 2.10 Quick-Start Guide (Pin Mode)
    11. 2.11 Quick-Start Guide (SMBus Slave Mode)
  4. 3Test Setup and Results
  5. 4Schematics
  6. 5Board Layout
  7. 6Bill of Materials
  8. 7References

2.6 DS160PR810 DC Gain Control

When operating in Pin Mode, the GAIN pins can be used to set the overall datapath DC (low frequency) gain of the DS160PR810 as shown in Table 2-6.

Table 2-6 GAIN Control
GAIN/SDA PIN LEVELGAIN SETTING
L0–6 dB
L1–3 dB
L23 dB
L30 dB (Recommended for most use cases)

The DC gain of each channel of each device can also be set by writing to SMBus, I2C registers in Slave or Master Modes. Refer to the DS160PR810 Programming Guide (SNLU268) for details.