LMH0387SLE/NOPB National Semiconductor, LMH0387SLE/NOPB Datasheet - Page 15

• Manufacturer Part Number: LMH0387SLE/NOPB
• Description: IC EQUALIZER DRIVER 48-TCSP
• Manufacturer: National Semiconductor

Specifications of LMH0387SLE/NOPB

• Applications: Amplifier
• Interface: SPI Serial
• Voltage - Supply: 3.3V
• Package / Case: 48-WFQFN, CSP
• Mounting Type: Surface Mount
• Input Voltage: 3.3 V
• Supply Voltage (max): 3.45 V
• Supply Voltage (min): 3.15 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LMH0387SLE/NOPBTR

Address R/W Name
02h
03h
R/W Launch
R
Amplitude
CLI
Bits Field
6:3
2:0
7:3
2:0
7
Coarse Control
Fine Control
Reserved
CLI
Reserved
Default
0000
15
000
000
0
Description
Coarse launch amplitude optimization for equalizer input.
0: Normal optimization with no external attenuation (800
mV
1: Optimized for 6 dB external attenuation (400 mV
launch amplitude).
Launch amplitude optimization fine tuning for equalizer
input.
0000: +20% from nominal.
0001: +16% from nominal.
0010: +12% from nominal.
0011: +9% from nominal.
0100: +6% from nominal.
0101: +3% from nominal.
0110: Nominal. (The default setting must be changed to this
nominal setting for most applications).
0111: -2% from nominal.
1001: +24% from nominal.
1010: +29% from nominal.
1011: +34% from nominal.
1100: +40% from nominal.
1101: +46% from nominal.
1110: +53% from nominal.
1111: +60% from nominal.
1000: Reserved.
Reserved as 000. Always write 000 to these bits.
Cable Length Indicator. Provides an indication of the length
of cable attached to the equalizer input. CLI increases as
the cable length increases.
Reserved.
P-P
launch amplitude).
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P-P