LMH0046MH/NOPB National Semiconductor, LMH0046MH/NOPB Datasheet
LMH0046MH/NOPB
Specifications of LMH0046MH/NOPB
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LMH0046MH/NOPB Summary of contents
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... LVCMOS compatible. The LMH0046 is powered from a single 3.3V supply. Power dissipation is typically 330 mW. The device is housed in a 20- pin e-TSSOP package. Typical Application © 2007 National Semiconductor Corporation Features ■ Supports SMPTE 292M and SMPTE 259M (A & C) serial digital video standards ■ ...
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Gbps Signal Before Reclocking (0.75 UI Jitter) Block Diagram www.national.com 1.485 Gbps Signal After Reclocking (0.05 UI Jitter) 20182606 2 20182607 20182603 ...
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Connection Diagram The exposed die attach pad is the negative electrical terminal for this device. It must be connected to the negative power supply voltage. Pin Descriptions Pin Name 1 LF1 2 LF2 3 RATE 0 4 RATE 1 5 ...
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Absolute Maximum Ratings It is anticipated that this device will not be offered in a military qualified version. If Military/Aerospace specified devices are required, please contact the National Semicon- ductor Sales Office/Distributors for availability and specifica- tions. Supply Voltage (V ...
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AC Electrical Characteristics Over Supply Voltage and Operating Temperature ranges, unless otherwise specified. (Note 3) Symbol Parameter BR Serial Data Rate SMPTE 259M Serial Data Rate SMPTE 259M Serial Data Rate SMPTE 292M SD ...
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Note 1: “Absolute Maximum Ratings” are those parameter values beyond which the life and operation of the device cannot be guaranteed. The stating herein of these maximums shall not be construed to imply that the device can or should be ...
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Device Description The LMH0046 HD/SD SDI Reclocker is used in many types of digital video signal processing equipment. Supported serial digital video standards are SMPTE 259M (A & C) and SMPTE 292M. Corresponding serial data rates are 143 Mbps, 270 ...
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FIGURE 2. Equivalent SDO Output Circuit (SDO, SDO, SCO/SDO2, SCO/SDO2) OPERATING SERIAL DATA RATES This device operates at serial data rates of 143 Mbps, 270 Mbps, 1483 Mbps and 1485 Mbps. The device does not lock to harmonics of these ...
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LOCK DETECT OUTPUT MUTE BYPASS/AUTO BYPASS LOCK DETECT 1 LOCK DETECT 1 LOCK DETECT X 1 SD/HD The SD/HD output indicates whether the LMH0046 is pro- cessing data rates. It ...
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SCO_EN Input SCO_EN enables the SCO/SDO2 differential output to function either as a serial data-rate clock or second serial data output. SCO/SDO2 functions as a serial data-rate clock when SCO_EN is high. This pin has an internal pull-down device. The ...
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TABLE 3. Crystal Parameters Parameter Frequency 27 MHz Frequency Stability ±50 ppm @ recommended drive level Operating Mode Fundamental mode, Parallel Resonant Load Capacitance 20 pF Parameter Value Shunt Capacitance Series Resistance Recommended Drive Level Maximum Drive Level Operating Temperature ...
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Application Information Figure 4 shows an application circuit for the LMH0046 along with the LMH0034 SMPTE 292M / 259M Adaptive Cable Equalizer and LMH0002 SMPTE 292M / 259M Cable Driver. www.national.com FIGURE 4. Application Circuit 12 20182604 ...
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Physical Dimensions inches (millimeters) unless otherwise noted 20-Pin e-TSSOP Order Number LMH0046MH NS Package Number MXA20A 13 www.national.com ...
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