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Data Sheet
LMH12x9 12G UHD Long Reach Cable Equalizer with Integrated Reclocker
1 Features
- Adaptive cable equalizer with
integrated reclocker
- Supports ST-2082-1(12G),
ST-2081-1(6G), ST-424(3G), ST-292(HD), and ST-259(SD)
- Compatible with DVB-ASI and AES10
(MADI)
- Integrated referenceless
reclocker locks to SMPTE rates: 11.88Gbps, 5.94Gbps, 2.97Gbps, 1.485Gbps, or
divide-by-1.001 sub-rates, 270Mbps
- Typical cable reach (Belden
1694A), PRBS-9 pattern:
- 100m at 11.88Gbps (4Kp60
UHD)
- 150m at 5.94Gbps
(UHD)
- 220m at 2.97Gbps
(FHD)
- 300m at 1.485Gbps
(HD)
- 600m at 270Mbps (SD)
- Typical cable reach (Belden
1694A), pathological pattern(1):
- 90m at 11.88Gbps (4Kp60
UHD)
- 140m at 5.94Gbps
(UHD)
- 220m at 2.97Gbps
(FHD)
- 300m at 1.485Gbps
(HD)
- 600m at 270Mbps (SD)
- On-chip 75Ω termination and
return loss compensation network
- Input cable equalizer and
reclocker features:
- Improved cable reach with
stress patterns
- Programmable CDR loop
bandwidth settings
- 2:1 75Ω input mux
(LMH1239 only)
- Output driver features:
- 1:2 100Ω fanout output
with de-emphasis
- Reclocked 75Ω
loop-through output with cable fault detection (up to 600m)
- Built-in PRBS generator and
checker
- Internal eye opening monitor
- Single 2.5V supply
- Low power: 350mW (typical)
- Power Save mode: 70mW
- Configurable by control pins,
SPI, or SMBus interface
- 5mm × 5mm 32-pin WQFN
package
- Operating temperature range:
–40°C to +85°C
