LMH0041SQ NSC [National Semiconductor], LMH0041SQ Datasheet
LMH0041SQ
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LMH0041SQ Summary of contents
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LMH0341, LMH0041, LMH0071, LMH0051 3 Gbps, HD, SD, DVB-ASI SDI Deserializer with Loopthrough and LVDS Interface General Description The LMH0341/0041/0071/0051 SDI Deserializers are part of National’s family of FPGA-Attach SER/DES products sup- porting 5-bit LVDS interfaces with FPGAs. When paired ...
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Pin Descriptions Pin Name Type LVDS Input Interface RX[4:0]+ Output, LVDS RX[4:0]- RXCLK+ Output, LVDS RXCLK- Serial Data Inputs RXIN + Input, Differential 0 RXIN - 0 RXIN + Input, Differential 1 RXIN - 1 Loopthrough Serial Output TXOUT+ Output, ...
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Pin Name Type Analog Inputs R Input SET LF_CP Input LF_REF DNC Power Supply and Ground V Power DD3V3 V Power DDPLL V Power DD2V5 GND Ground Device SMPTE 424M Support SMPTE 292M Support SMPTE 259M Support DVB-ASI Support Active ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V ) DD3V3 Supply Voltage(V ) DD2V5 LVCMOS input voltage LVCMOS output voltage SMBus I/O Voltage Recommended ...
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Electrical Characteristics Over supply and Operating Temperature ranges unless otherwise specified. (Note 2) Symbol Parameter I 2.5V supply current for LMH0341, DD2.5 LMH041, LMH0071 2.5V supply current for LMH0051 I 3.3V supply current for LMH0341, DD3.3 LMH0041, LMH0071 3.3V supply ...
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SDI Input Electrical Characteristics Over supply and Operating Temperature ranges unless otherwise specified. (Note 2) Symbol Parameter V Input Differential Voltage ID I Input Current IN R Input Termination IT TOL Input Jitter Tolerance JIT λ Jitter Transfer Function BW ...
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LVDS Output Electrical Characteristics Over supply and Operating Temperature ranges unless otherwise specified. (Note 2) Symbol Parameter V Differential Output Voltage OD ΔV Change in V between OD OD complementary output states V Offset Voltage OS ΔV Change in V ...
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SMBus Input Electrical Characteristics Over supply and Operating Temperature ranges unless otherwise specified. (Note 2) Symbol Parameter V Data, Clock Input Low Voltage SIL V Data, Clock Input High Voltage SIH V Nominal Bus Voltage SDD V Output Low voltage ...
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SDI Output Switching Characteristics (LMH0341 / LMH0041 / LMH0071) Over supply and Operating Temperature ranges unless otherwise specified. (Note 2) Symbol Parameter SDI Output Datarate t SDI Output Rise Time r t SDI Output Fall Time f Δt Mismatch between ...
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Functional Description DEVICE OPERATION The DES is used in digital video signal origination equipment intended to be operated in conjunction with an FPGA host which processes data received by the SER, and converts the five bit output data ...
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FIGURE 4. Simplified SDI Input Circuit SWITCHING SDI INPUTS When the input to the DES is switched from one source to another, either via the internal 2:1 multiplexor on the inputs, or via an external crosspoint switch, there are a ...
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FIGURE 6. Jitter Tolerance Curve FIGURE 7. Jitter Transfer Curve Parameters FIGURE 8. Jitter Transfer Curve SMBus INTERFACE The configuration bus conforms to the System Management Bus (SMBus) 2.0 specification. SMBus 2.0 includes multiple options. The optional ARP (Address Resolution ...
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FIGURE 9. SMBus Configuration 1 — Host to single device FIGURE 10. SMBus Configuration 2 — Host to multiple devices with SMB_CS signals FIGURE 11. SMBus Configuration 3 — Host to multiple devices with multiple SMBus Interfaces 30017215 13 30017216 ...
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GENERAL PURPOSE I/O PINS (GPIO) The DES has three pins which can be configured to provide direct access to certain register values via a dedicated pin. For example if a particular application required fast action to the condition of the ...
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Application Information PCB LAYOUT RECOMMENDATIONS In almost all applications, the inputs to the DES will be driven by the output of an equalizer such as the LMH0044. You should follow the recommendations on the equalizer datasheet for the interface between ...
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SMPTE standards require. The output voltage amplitude of the cable driver is set by the R resistor. For single-ended SET applications, an 7.87kΩ resistor is connected between this pin and ground to set the swing to 800mV. The PLL loop ...
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FIGURE 16. Typical CML Application Circuit (LMH0051) 17 30017218 www.national.com ...
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Register Descriptions the following table provides details on the device's configura- tion registers. DES Register Detail Table ADD 'h Name Bits 00 device_identifica The seven MSBs of this register define the SMBus address for the device. The default value is ...
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ADD 'h Name Bits Field 04 GPIO_2 This register configures GPIO_2. Note, if this pin used as an input, then the output must be Configuration TRI-STATE (bit[0]=’0’) and if used as an output, then the input buffer ...
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ADD 'h Name Bits 20 Control 7 DVB_ASI This register allows the device to be placed in DVB_ASI mode or standard operation mode 7:5 4 3:2 1:0 22 Override This register allows the user to control ...
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ADD 'h Name Bits Field 29–2A Reserved 2B Event Allows control over the counting of error events on the clock recovery PLL Configuration 7:4 Reserved 3 Event Count Select 2 Reset CDR Error Count 1 Reset Link Error Count 0 ...
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ADD 'h Name Bits 3C CDR Lock Status 7 Event Status Error Counting register 7:0 3E Error Status 1 Error Count LSB 7:0 3F Error Status 2 Error Counting Register MSB 7:0 www.national.com Field R/W ...
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Connection Diagrams FIGURE 17. Connection Diagram for LMH0341 / LMH0041 / LMH0071 23 30017211 www.national.com ...
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FIGURE 18. Connection Diagram for LMH0051 24 30017212 ...
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... Ordering Information NSID Speed LMH0341SQ LMH0341SQX LMH0341SQE LMH0041SQ LMH0041SQX LMH0041SQE LMH0071SQ SD LMH0071SQX LMH0071SQE LMH0051SQ LMH0051SQX LMH0051SQE Feature Units per T&R SMPTE, Loopthrough 1,000 2,500 250 SMPTE, Loopthrough 1,000 2,500 250 SMPTE, Loopthrough 1,000 2,500 250 CML 1,000 2,500 ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 48-Lead QFN Plastic Quad Package NS Package Number SQA48A 26 ...
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Notes 27 www.national.com ...
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