SNLS233O April   2007  – July 2015 LMH0344

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configurations and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 DC Electrical Characteristics
    6. 6.6 AC Electrical Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Block Description
      2. 7.3.2 Mute Reference (MuteREF)
      3. 7.3.3 Carrier Detect (CD) and Mute
      4. 7.3.4 Input Interfacing
      5. 7.3.5 Output Interfacing
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Dos and Don'ts
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configurations and Functions

RUM Package
16-Pin WQFN
Top View
LMH0344 20199003.gif
The exposed die attach pad is a negative electrical terminal for this device. It should be connected to the negative power supply voltage.

Pin Functions – RUM Package

PIN I/O DESCRIPTION
NAME WQFN
AEC+ 5 I/O, Analog AEC loop filter external capacitor (1-µF) positive connection.
AEC- 6 I/O, Analog AEC loop filter external capacitor (1-µF) negative connection.
BYPASS 7 I, LVCMOS Bypasses equalization and DC restoration when high. No equalization occurs in this mode. This pin does not have an internal pulldown. If the bypass function is not used, this pin requires an external pulldown resistor to disable bypass.
CD 15 O, LVCMOS Carrier detect. CD is high when no signal is present. CD has no function in BYPASS mode.
MUTE 14 I, LVCMOS Output mute. To disable the mute function and enable the output, MUTE must be tied to GND or a low level signal. To force the outputs to a muted state, tie to VCC. CD may be tied to this pin to inhibit the output when no input signal is present. MUTE has no function in BYPASS mode.
MUTEREF 8 I, Analog Mute reference. Sets the threshold for CD and (with CD tied to MUTE) determines the maximum cable to be equalized before muting. MUTEREF may be either unconnected or connected to ground for maximum equalization.
NC — — No connect.
SDI 2 I, Analog Serial data true input.
SDI 3 I,Analog Serial data complement input.
SDO 11 O, Analog Serial data true output.
SDO 10 O, Analog Serial data complement output.
VCC 13 Power Positive power supply (+3.3V).
16
VEE DAP Ground Negative power supply (ground). Note Figure 7 for layout example.
1
4
9
12
NYA Package
25-Ball CS-BGA
Top View
LMH0344 20199006.gif

Pin Functions – NYA Package

PIN I/O DESCRIPTION
NAME CS-BGA BALL
AEC+ E2 I/O, Analog AEC loop filter external capacitor (1-µF) positive connection.
AEC- E3 I/O, Analog AEC loop filter external capacitor (1-µF) negative connection.
BYPASS D3 I, LVCMOS Bypasses equalization and DC restoration when high. No equalization occurs in this mode. This pin does not have an internal pulldown. If the bypass function is not used, this pin requires an external pulldown resistor to disable bypass.
CD A2 O, LVCMOS Carrier detect. CD is high when no signal is present. CD has no function in BYPASS mode.
MUTE B3 I, LVCMOS Output mute. To disable the mute function and enable the output, MUTE must be tied to GND or a low level signal. To force the outputs to a muted state, tie to VCC. CD may be tied to this pin to inhibit the output when no input signal is present. MUTE has no function in BYPASS mode.
MUTEREF E4 I, Analog Mute reference. Sets the threshold for CD and (with CD tied to MUTE) determines the maximum cable to be equalized before muting. MUTEREF may be either unconnected or connected to ground for maximum equalization.
NC A5 — No connect.
B5
C2
C3
C4
D4
E1
SDI C1 I, Analog Serial data true input.
SDI D1 I,Analog Serial data complement input.
SDO C5 O, Analog Serial data true output.
SDO D5 O, Analog Serial data complement output.
VCC A1 Power Positive power supply (+3.3V).
A3
A4
B2
VEE B1 Ground Negative power supply (ground).
B4
D2
E5